./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/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_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:54:11,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:54:11,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:54:12,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:54:12,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:54:12,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:54:12,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:54:12,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:54:12,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:54:12,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:54:12,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:54:12,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:54:12,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:54:12,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:54:12,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:54:12,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:54:12,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:54:12,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:54:12,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:54:12,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:54:12,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:54:12,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:54:12,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:54:12,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:54:12,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:54:12,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:54:12,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:54:12,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:54:12,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:54:12,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:54:12,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:54:12,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:54:12,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:54:12,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:54:12,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:54:12,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:54:12,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:54:12,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:54:12,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:54:12,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:54:12,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:54:12,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 00:54:12,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:54:12,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:54:12,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:54:12,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:54:12,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:54:12,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:54:12,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:54:12,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:54:12,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:54:12,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:54:12,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:54:12,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:54:12,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:54:12,157 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:54:12,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:54:12,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:54:12,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:54:12,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:54:12,158 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:54:12,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:54:12,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:12,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:54:12,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:54:12,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:54:12,160 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:54:12,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:54:12,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:54:12,161 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_c31b37fa-7e6a-4384-b1c8-80ab71f536db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2021-11-23 00:54:12,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:54:12,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:54:12,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:54:12,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:54:12,537 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:54:12,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2021-11-23 00:54:12,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/data/d8292a6fc/ec8b3f31db104976a1ba367e926051d1/FLAGe8e884151 [2021-11-23 00:54:13,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:54:13,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2021-11-23 00:54:13,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/data/d8292a6fc/ec8b3f31db104976a1ba367e926051d1/FLAGe8e884151 [2021-11-23 00:54:13,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/data/d8292a6fc/ec8b3f31db104976a1ba367e926051d1 [2021-11-23 00:54:13,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:54:13,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:54:13,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:13,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:54:13,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:54:13,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b11a757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13, skipping insertion in model container [2021-11-23 00:54:13,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:54:13,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:54:13,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:13,758 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:54:13,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:13,783 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:54:13,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13 WrapperNode [2021-11-23 00:54:13,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:13,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:13,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:54:13,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:54:13,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,815 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-23 00:54:13,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:13,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:54:13,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:54:13,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:54:13,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:54:13,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:54:13,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:54:13,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:54:13,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:13" (1/1) ... [2021-11-23 00:54:13,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:54:13,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:54:13,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31b37fa-7e6a-4384-b1c8-80ab71f536db/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:54:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:54:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:54:13,990 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:54:13,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:54:14,150 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:54:14,167 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:54:14,168 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:54:14,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:14 BoogieIcfgContainer [2021-11-23 00:54:14,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:54:14,172 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:54:14,172 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:54:14,183 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:54:14,183 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:54:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-23 00:54:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-23 00:54:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:54:14,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,452 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 00:54:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-23 00:54:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-23 00:54:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:54:14,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,553 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 00:54:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2021-11-23 00:54:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-23 00:54:14,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:54:14,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,640 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 00:54:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-23 00:54:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-23 00:54:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:54:14,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,764 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 00:54:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-23 00:54:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-23 00:54:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:54:14,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,867 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 00:54:14,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2021-11-23 00:54:14,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-11-23 00:54:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:54:14,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,942 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 00:54:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2021-11-23 00:54:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-23 00:54:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:54:14,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-23 00:54:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-23 00:54:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:54:15,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:54:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:54:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:54:15,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,727 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 00:54:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 00:54:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 00:54:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:15,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:54:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:54:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:15,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:16,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 00:54:16,164 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 00:54:16,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:54:16,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:16,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-23 00:54:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-23 00:54:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:54:16,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:16,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-23 00:54:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-23 00:54:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:54:16,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:16,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 00:54:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 00:54:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:54:16,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:54:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:54:17,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:17,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-23 00:54:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-23 00:54:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:54:17,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2021-11-23 00:54:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2021-11-23 00:54:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:54:18,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:18,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:18,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-11-23 00:54:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-11-23 00:54:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:54:18,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:18,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-23 00:54:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-23 00:54:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:54:18,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:18,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2021-11-23 00:54:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2021-11-23 00:54:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:19,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:19,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2021-11-23 00:54:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2021-11-23 00:54:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:54:19,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:19,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-23 00:54:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-23 00:54:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:54:20,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:20,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-23 00:54:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-23 00:54:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:54:20,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:20,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 91 transitions. [2021-11-23 00:54:21,062 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2021-11-23 00:54:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:54:21,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:21,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 1 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 93 transitions. [2021-11-23 00:54:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2021-11-23 00:54:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:54:21,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:21,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-23 00:54:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 76 states and 96 transitions. [2021-11-23 00:54:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2021-11-23 00:54:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:54:22,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:22,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 1 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 121 states and 154 transitions. [2021-11-23 00:54:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2021-11-23 00:54:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:54:24,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:24,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 2 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 156 transitions. [2021-11-23 00:54:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2021-11-23 00:54:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:54:25,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:25,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 125 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 00:54:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 125 states and 158 transitions. [2021-11-23 00:54:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2021-11-23 00:54:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:54:25,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:25,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2021-11-23 00:54:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2021-11-23 00:54:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:54:27,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:27,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 220 transitions. [2021-11-23 00:54:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 220 transitions. [2021-11-23 00:54:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:54:28,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 174 states and 222 transitions. [2021-11-23 00:54:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 222 transitions. [2021-11-23 00:54:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:54:29,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:54:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 176 states and 224 transitions. [2021-11-23 00:54:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2021-11-23 00:54:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:54:29,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:54:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 178 states and 226 transitions. [2021-11-23 00:54:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 226 transitions. [2021-11-23 00:54:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:54:29,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:54:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 180 states and 229 transitions. [2021-11-23 00:54:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2021-11-23 00:54:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:54:30,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 7 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 192 states and 244 transitions. [2021-11-23 00:54:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2021-11-23 00:54:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:54:32,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-23 00:54:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 194 states and 246 transitions. [2021-11-23 00:54:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 246 transitions. [2021-11-23 00:54:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:54:33,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 9 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 235 states and 301 transitions. [2021-11-23 00:54:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 301 transitions. [2021-11-23 00:54:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:54:37,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:37,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 9 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 243 states and 309 transitions. [2021-11-23 00:54:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 309 transitions. [2021-11-23 00:54:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:54:37,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:37,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 10 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 245 states and 311 transitions. [2021-11-23 00:54:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 311 transitions. [2021-11-23 00:54:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:54:38,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:38,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 345 proven. 1 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-23 00:54:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 247 states and 313 transitions. [2021-11-23 00:54:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 313 transitions. [2021-11-23 00:54:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:54:39,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:39,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-23 00:54:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 249 states and 316 transitions. [2021-11-23 00:54:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 316 transitions. [2021-11-23 00:54:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:54:39,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:39,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-23 00:54:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 251 states and 318 transitions. [2021-11-23 00:54:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 318 transitions. [2021-11-23 00:54:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:54:40,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:40,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 13 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 263 states and 333 transitions. [2021-11-23 00:54:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 333 transitions. [2021-11-23 00:54:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:54:43,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:43,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-11-23 00:54:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 265 states and 335 transitions. [2021-11-23 00:54:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 335 transitions. [2021-11-23 00:54:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:54:44,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:44,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 273 states and 348 transitions. [2021-11-23 00:54:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 348 transitions. [2021-11-23 00:54:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:54:46,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 300 states and 382 transitions. [2021-11-23 00:54:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 382 transitions. [2021-11-23 00:54:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:54:48,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:48,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 308 states and 390 transitions. [2021-11-23 00:54:49,014 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 390 transitions. [2021-11-23 00:54:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:54:49,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:49,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 16 proven. 887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 310 states and 392 transitions. [2021-11-23 00:54:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 392 transitions. [2021-11-23 00:54:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:54:50,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:50,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-23 00:54:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 312 states and 394 transitions. [2021-11-23 00:54:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 394 transitions. [2021-11-23 00:54:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:54:50,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:50,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-23 00:54:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 314 states and 396 transitions. [2021-11-23 00:54:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 396 transitions. [2021-11-23 00:54:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:54:51,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:51,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-23 00:54:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 316 states and 398 transitions. [2021-11-23 00:54:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 398 transitions. [2021-11-23 00:54:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:54:51,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:51,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-23 00:54:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 318 states and 401 transitions. [2021-11-23 00:54:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 401 transitions. [2021-11-23 00:54:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:54:52,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 19 proven. 1049 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 330 states and 416 transitions. [2021-11-23 00:54:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 416 transitions. [2021-11-23 00:54:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 00:54:55,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:55,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-11-23 00:54:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 332 states and 418 transitions. [2021-11-23 00:54:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 418 transitions. [2021-11-23 00:54:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 00:54:56,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:56,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-11-23 00:54:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 334 states and 421 transitions. [2021-11-23 00:54:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 421 transitions. [2021-11-23 00:54:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 00:54:56,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:56,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-11-23 00:54:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 336 states and 423 transitions. [2021-11-23 00:54:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 423 transitions. [2021-11-23 00:54:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 00:54:57,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:57,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 23 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 356 states and 447 transitions. [2021-11-23 00:55:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 447 transitions. [2021-11-23 00:55:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 00:55:01,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:01,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-23 00:55:02,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 358 states and 449 transitions. [2021-11-23 00:55:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2021-11-23 00:55:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 00:55:02,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:02,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-23 00:55:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 360 states and 451 transitions. [2021-11-23 00:55:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 451 transitions. [2021-11-23 00:55:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 00:55:03,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:03,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 446 proven. 1 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-23 00:55:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 362 states and 453 transitions. [2021-11-23 00:55:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 453 transitions. [2021-11-23 00:55:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 00:55:03,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:03,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 25 proven. 1497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 364 states and 457 transitions. [2021-11-23 00:55:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 457 transitions. [2021-11-23 00:55:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 00:55:05,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:05,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 25 proven. 1497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 372 states and 465 transitions. [2021-11-23 00:55:06,800 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 465 transitions. [2021-11-23 00:55:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:55:06,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:06,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 481 proven. 1 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2021-11-23 00:55:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:07,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 374 states and 467 transitions. [2021-11-23 00:55:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 467 transitions. [2021-11-23 00:55:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 00:55:07,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:07,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 396 proven. 1 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2021-11-23 00:55:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 376 states and 469 transitions. [2021-11-23 00:55:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 469 transitions. [2021-11-23 00:55:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 00:55:08,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:08,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 396 proven. 1 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2021-11-23 00:55:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 378 states and 472 transitions. [2021-11-23 00:55:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 472 transitions. [2021-11-23 00:55:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:55:08,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:08,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 29 proven. 1798 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 398 states and 496 transitions. [2021-11-23 00:55:13,294 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 496 transitions. [2021-11-23 00:55:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:55:13,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 516 proven. 1 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2021-11-23 00:55:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 400 states and 498 transitions. [2021-11-23 00:55:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 498 transitions. [2021-11-23 00:55:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:55:13,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 423 proven. 1 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2021-11-23 00:55:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 402 states and 501 transitions. [2021-11-23 00:55:14,442 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 501 transitions. [2021-11-23 00:55:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:55:14,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 31 proven. 2029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 404 states and 505 transitions. [2021-11-23 00:55:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 505 transitions. [2021-11-23 00:55:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:55:16,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 31 proven. 2029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 412 states and 513 transitions. [2021-11-23 00:55:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 513 transitions. [2021-11-23 00:55:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 00:55:17,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:17,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-11-23 00:55:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 414 states and 515 transitions. [2021-11-23 00:55:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 515 transitions. [2021-11-23 00:55:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 00:55:18,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:18,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-11-23 00:55:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 416 states and 517 transitions. [2021-11-23 00:55:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 517 transitions. [2021-11-23 00:55:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 00:55:19,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:19,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2021-11-23 00:55:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 418 states and 519 transitions. [2021-11-23 00:55:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 519 transitions. [2021-11-23 00:55:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 00:55:20,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2021-11-23 00:55:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 420 states and 524 transitions. [2021-11-23 00:55:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 524 transitions. [2021-11-23 00:55:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 00:55:21,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:21,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2568 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2021-11-23 00:55:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 422 states and 526 transitions. [2021-11-23 00:55:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 526 transitions. [2021-11-23 00:55:21,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 00:55:21,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:21,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2682 backedges. 591 proven. 2060 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:03:55,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:07:07,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []