./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/vnew2.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_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/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_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/vnew2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/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_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/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 6cb26fc448cefa547e2463448c16c0efba841bf620bbd2ba420ae15e288e3a3f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:27,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:27,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:27,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:27,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:27,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:27,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:27,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:27,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:27,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:27,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:27,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:27,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:27,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:27,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:27,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:27,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:27,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:27,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:27,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:27,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:27,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:27,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:27,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:27,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:27,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:27,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:27,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:27,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:27,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:27,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:27,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:27,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:27,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:27,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:27,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:27,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:27,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:27,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:27,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:27,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:27,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:57:28,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:28,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:28,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:57:28,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:57:28,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:28,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:28,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:28,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:28,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:28,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:28,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:28,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:57:28,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:28,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:57:28,042 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:28,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:57:28,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:28,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:57:28,043 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:28,043 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:28,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:28,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:28,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:28,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:28,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:57:28,044 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:28,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:28,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:57:28,045 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_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cb26fc448cefa547e2463448c16c0efba841bf620bbd2ba420ae15e288e3a3f [2021-11-23 00:57:28,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:28,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:28,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:28,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:28,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:28,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/vnew2.c [2021-11-23 00:57:28,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/data/95681e9b9/254ea946f5e642769e0d5e6be4a89ac6/FLAG20c542fb8 [2021-11-23 00:57:29,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:29,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/sv-benchmarks/c/loops-crafted-1/vnew2.c [2021-11-23 00:57:29,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/data/95681e9b9/254ea946f5e642769e0d5e6be4a89ac6/FLAG20c542fb8 [2021-11-23 00:57:29,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/data/95681e9b9/254ea946f5e642769e0d5e6be4a89ac6 [2021-11-23 00:57:29,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:29,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:29,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:29,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:29,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:29,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd58038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29, skipping insertion in model container [2021-11-23 00:57:29,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:29,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:29,658 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_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/sv-benchmarks/c/loops-crafted-1/vnew2.c[403,416] [2021-11-23 00:57:29,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:29,683 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:29,698 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_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/sv-benchmarks/c/loops-crafted-1/vnew2.c[403,416] [2021-11-23 00:57:29,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:29,720 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:29,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29 WrapperNode [2021-11-23 00:57:29,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:29,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:29,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:29,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:29,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,759 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2021-11-23 00:57:29,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:29,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:29,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:29,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:29,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:29,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:29,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:29,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:29,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:29" (1/1) ... [2021-11-23 00:57:29,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:29,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:29,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:29,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c62061ff-24e8-4fdb-bcf5-f933cd3b06fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:29,951 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:29,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:30,065 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:30,084 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:30,084 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:57:30,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:30 BoogieIcfgContainer [2021-11-23 00:57:30,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:30,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:30,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:30,101 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:30,102 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:30" (1/1) ... [2021-11-23 00:57:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 00:57:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 00:57:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:57:30,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:30,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:30,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:57:30,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-23 00:57:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-23 00:57:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:57:30,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:30,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:30,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:57:30,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:57:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:57:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:57:31,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:31,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:31,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:57:31,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-11-23 00:57:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-11-23 00:57:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:57:32,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:32,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:32,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:57:32,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 00:57:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 00:57:33,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:57:33,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:33,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:33,529 WARN L261 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:57:33,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-23 00:57:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-23 00:57:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:57:34,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:34,541 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:57:34,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2021-11-23 00:57:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2021-11-23 00:57:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:57:35,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:35,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:35,672 WARN L261 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:57:35,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2021-11-23 00:57:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2021-11-23 00:57:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:36,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:36,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:36,956 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 00:57:36,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-23 00:57:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-23 00:57:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:57:38,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:38,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:38,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 00:57:38,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2021-11-23 00:57:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-11-23 00:57:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:40,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:40,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:40,203 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 00:57:40,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2021-11-23 00:57:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2021-11-23 00:57:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:57:41,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:41,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:42,082 WARN L261 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 00:57:42,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2021-11-23 00:57:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2021-11-23 00:57:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:44,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:44,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:44,088 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 00:57:44,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2021-11-23 00:57:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2021-11-23 00:57:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:46,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:46,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:46,248 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-23 00:57:46,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2021-11-23 00:57:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2021-11-23 00:57:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:57:48,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:48,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:48,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 00:57:48,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2021-11-23 00:57:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2021-11-23 00:57:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:57:50,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,839 WARN L261 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-23 00:57:50,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2021-11-23 00:57:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2021-11-23 00:57:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:53,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:53,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:53,975 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-23 00:57:53,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2021-11-23 00:57:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2021-11-23 00:57:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:56,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:56,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:56,656 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-23 00:57:56,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2021-11-23 00:57:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-11-23 00:57:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:59,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:59,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:59,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-23 00:57:59,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2021-11-23 00:58:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2021-11-23 00:58:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:58:02,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,057 WARN L261 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2021-11-23 00:58:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2021-11-23 00:58:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:58:06,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,941 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2021-11-23 00:58:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-11-23 00:58:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:58:10,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2021-11-23 00:58:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2021-11-23 00:58:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:58:15,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,263 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2021-11-23 00:58:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2021-11-23 00:58:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:58:19,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,081 WARN L261 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 108 transitions. [2021-11-23 00:58:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2021-11-23 00:58:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:58:25,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,331 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2021-11-23 00:58:31,498 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-23 00:58:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:58:31,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,613 WARN L261 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 116 transitions. [2021-11-23 00:58:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2021-11-23 00:58:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:58:36,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,800 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2021-11-23 00:58:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2021-11-23 00:58:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:58:43,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,298 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2021-11-23 00:58:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2021-11-23 00:58:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:58:48,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,929 WARN L261 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 69 states and 128 transitions. [2021-11-23 00:58:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 128 transitions. [2021-11-23 00:58:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:58:56,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,965 WARN L261 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 132 transitions. [2021-11-23 00:59:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2021-11-23 00:59:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:59:04,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:04,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:04,965 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-23 00:59:04,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 136 transitions. [2021-11-23 00:59:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2021-11-23 00:59:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:59:14,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:14,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:14,316 WARN L261 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-23 00:59:14,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 136 transitions. [2021-11-23 00:59:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 136 transitions. [2021-11-23 00:59:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:59:33,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:33,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:34,005 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-23 00:59:34,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 140 transitions. [2021-11-23 00:59:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2021-11-23 00:59:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:59:42,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:42,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:42,365 WARN L261 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-23 00:59:42,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2021-11-23 00:59:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2021-11-23 00:59:54,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:59:54,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,219 WARN L261 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 00:59:54,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 114 states and 181 transitions. [2021-11-23 01:02:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2021-11-23 01:02:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:02:43,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,054 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 116 states and 186 transitions. [2021-11-23 01:02:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 186 transitions. [2021-11-23 01:02:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:02:59,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2021-11-23 01:03:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2021-11-23 01:03:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:03:20,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,914 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2021-11-23 01:03:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2021-11-23 01:03:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:03:45,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,446 WARN L261 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-23 01:03:45,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2021-11-23 01:04:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2021-11-23 01:04:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:04:03,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,528 WARN L261 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2021-11-23 01:04:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2021-11-23 01:04:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:04:28,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:28,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:28,419 WARN L261 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-23 01:04:28,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 126 states and 206 transitions. [2021-11-23 01:04:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 206 transitions. [2021-11-23 01:04:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:04:56,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,632 WARN L261 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-23 01:04:56,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:25,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 210 transitions. [2021-11-23 01:05:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2021-11-23 01:05:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:05:25,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:25,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:25,972 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-23 01:05:25,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 130 states and 214 transitions. [2021-11-23 01:05:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 214 transitions. [2021-11-23 01:05:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:05:56,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:56,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:57,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-23 01:05:57,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 132 states and 218 transitions. [2021-11-23 01:06:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 218 transitions. [2021-11-23 01:06:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:06:30,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:30,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:30,796 WARN L261 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-23 01:06:30,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 134 states and 222 transitions. [2021-11-23 01:07:04,828 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 222 transitions. [2021-11-23 01:07:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:07:04,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:04,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:05,086 WARN L261 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-23 01:07:05,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 136 states and 226 transitions. [2021-11-23 01:07:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2021-11-23 01:07:43,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:07:43,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:43,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:43,551 WARN L261 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-23 01:07:43,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2021-11-23 01:08:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2021-11-23 01:08:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:08:23,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:23,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:24,237 WARN L261 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-23 01:08:24,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 140 states and 234 transitions. [2021-11-23 01:09:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 234 transitions. [2021-11-23 01:09:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:09:06,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:06,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:07,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-23 01:09:07,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 142 states and 238 transitions. [2021-11-23 01:09:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 238 transitions. [2021-11-23 01:09:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:09:36,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:36,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:36,683 WARN L261 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-23 01:09:36,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 144 states and 242 transitions. [2021-11-23 01:10:22,706 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 242 transitions. [2021-11-23 01:10:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:10:22,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:22,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,969 WARN L261 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-23 01:10:22,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.