./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN --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 c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:00:17,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:00:17,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:00:17,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:00:17,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:00:17,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:00:17,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:00:17,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:00:17,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:00:17,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:00:17,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:00:17,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:00:17,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:00:17,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:00:17,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:00:17,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:00:17,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:00:17,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:00:17,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:00:17,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:00:17,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:00:17,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:00:17,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:00:17,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:00:17,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:00:17,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:00:17,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:00:17,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:00:17,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:00:17,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:00:17,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:00:17,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:00:17,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:00:17,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:00:17,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:00:17,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:00:17,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:00:17,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:00:17,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:00:17,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:00:17,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:00:17,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:00:17,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:00:17,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:00:17,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:00:17,366 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:00:17,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:00:17,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:00:17,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:00:17,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:00:17,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:00:17,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:00:17,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:00:17,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:00:17,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:00:17,376 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:00:17,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:00:17,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:00:17,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:00:17,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:00:17,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:00:17,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:00:17,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:00:17,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:00:17,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:00:17,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:00:17,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:00:17,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:00:17,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:00:17,380 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_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-21 05:00:17,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:00:17,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:00:17,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:00:17,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:00:17,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:00:17,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-21 05:00:17,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/data/f2033c02d/7ca1cf0169074d1aa65d3052da397e09/FLAG0e4bc490c [2021-11-21 05:00:18,462 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:00:18,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-21 05:00:18,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/data/f2033c02d/7ca1cf0169074d1aa65d3052da397e09/FLAG0e4bc490c [2021-11-21 05:00:18,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/data/f2033c02d/7ca1cf0169074d1aa65d3052da397e09 [2021-11-21 05:00:18,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:00:18,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:00:18,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:00:18,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:00:18,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:00:18,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:18" (1/1) ... [2021-11-21 05:00:18,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba3c490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:18, skipping insertion in model container [2021-11-21 05:00:18,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:18" (1/1) ... [2021-11-21 05:00:18,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:00:18,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:00:19,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-21 05:00:19,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:00:19,552 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:00:19,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-21 05:00:19,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:00:19,769 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:00:19,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19 WrapperNode [2021-11-21 05:00:19,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:00:19,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:00:19,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:00:19,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:00:19,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:19,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:19,920 INFO L137 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 390 [2021-11-21 05:00:19,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:00:19,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:00:19,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:00:19,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:00:19,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:19,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:19,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:19,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:19,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:20,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:20,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:20,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:00:20,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:00:20,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:00:20,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:00:20,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:19" (1/1) ... [2021-11-21 05:00:20,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:00:20,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:00:20,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:00:20,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:00:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 05:00:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 05:00:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:00:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:00:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:00:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:00:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:00:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-21 05:00:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:00:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:00:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:00:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:00:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:00:20,484 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:00:20,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:00:20,954 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:00:21,150 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:00:21,151 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-21 05:00:21,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:21 BoogieIcfgContainer [2021-11-21 05:00:21,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:00:21,155 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:00:21,155 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:00:21,165 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:00:21,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:21" (1/1) ... [2021-11-21 05:00:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:00:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2021-11-21 05:00:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2021-11-21 05:00:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:00:21,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:21,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2021-11-21 05:00:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2021-11-21 05:00:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:00:21,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:21,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2021-11-21 05:00:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2021-11-21 05:00:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:00:21,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:21,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:00:21,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2021-11-21 05:00:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2021-11-21 05:00:21,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:00:21,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:21,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2021-11-21 05:00:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2021-11-21 05:00:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:00:22,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:22,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 88 states and 111 transitions. [2021-11-21 05:00:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2021-11-21 05:00:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:00:22,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:22,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 91 states and 114 transitions. [2021-11-21 05:00:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2021-11-21 05:00:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:00:22,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:22,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 94 states and 117 transitions. [2021-11-21 05:00:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2021-11-21 05:00:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:00:22,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:22,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:23,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2021-11-21 05:00:23,163 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2021-11-21 05:00:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:00:23,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:23,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2021-11-21 05:00:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2021-11-21 05:00:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:00:23,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:23,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 103 states and 126 transitions. [2021-11-21 05:00:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2021-11-21 05:00:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:00:23,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:23,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 106 states and 129 transitions. [2021-11-21 05:00:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2021-11-21 05:00:24,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:00:24,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:24,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 132 transitions. [2021-11-21 05:00:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2021-11-21 05:00:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:00:24,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:24,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 112 states and 134 transitions. [2021-11-21 05:00:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 134 transitions. [2021-11-21 05:00:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:00:24,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:24,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 133 transitions. [2021-11-21 05:00:24,968 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2021-11-21 05:00:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:00:24,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:24,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 132 transitions. [2021-11-21 05:00:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 132 transitions. [2021-11-21 05:00:25,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:00:25,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:25,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 109 states and 131 transitions. [2021-11-21 05:00:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2021-11-21 05:00:25,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:00:25,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:25,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2021-11-21 05:00:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2021-11-21 05:00:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:00:25,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:25,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 132 transitions. [2021-11-21 05:00:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2021-11-21 05:00:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:00:25,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:25,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 110 states and 133 transitions. [2021-11-21 05:00:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2021-11-21 05:00:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:00:26,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:26,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2021-11-21 05:00:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2021-11-21 05:00:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:00:26,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:26,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2021-11-21 05:00:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2021-11-21 05:00:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:00:26,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:26,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2021-11-21 05:00:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2021-11-21 05:00:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:00:26,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:26,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 98 states and 122 transitions. [2021-11-21 05:00:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2021-11-21 05:00:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:00:26,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:26,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 05:00:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2021-11-21 05:00:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2021-11-21 05:00:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:00:27,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:27,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 05:00:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 103 states and 133 transitions. [2021-11-21 05:00:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2021-11-21 05:00:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 05:00:27,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:27,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 143 transitions. [2021-11-21 05:00:28,984 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-11-21 05:00:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 05:00:28,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:28,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 05:00:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2021-11-21 05:00:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2021-11-21 05:00:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 05:00:29,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:29,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 114 states and 150 transitions. [2021-11-21 05:00:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 150 transitions. [2021-11-21 05:00:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:00:29,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:29,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 05:00:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 116 states and 151 transitions. [2021-11-21 05:00:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2021-11-21 05:00:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:00:30,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:30,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 117 states and 152 transitions. [2021-11-21 05:00:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 152 transitions. [2021-11-21 05:00:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:00:30,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:30,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-21 05:00:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 118 states and 153 transitions. [2021-11-21 05:00:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2021-11-21 05:00:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:00:30,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:30,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-21 05:00:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 127 states and 163 transitions. [2021-11-21 05:00:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 05:00:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:00:32,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:32,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-21 05:00:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 128 states and 164 transitions. [2021-11-21 05:00:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 164 transitions. [2021-11-21 05:00:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:00:32,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:32,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 131 states and 167 transitions. [2021-11-21 05:00:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2021-11-21 05:00:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:00:32,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:32,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 134 states and 170 transitions. [2021-11-21 05:00:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2021-11-21 05:00:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:00:33,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:33,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2021-11-21 05:00:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 05:00:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:00:34,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:34,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 140 states and 176 transitions. [2021-11-21 05:00:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 176 transitions. [2021-11-21 05:00:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:00:35,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:35,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 143 states and 179 transitions. [2021-11-21 05:00:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2021-11-21 05:00:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 05:00:35,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:35,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:36,029 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 146 states and 182 transitions. [2021-11-21 05:00:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 182 transitions. [2021-11-21 05:00:36,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:00:36,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:36,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 149 states and 185 transitions. [2021-11-21 05:00:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2021-11-21 05:00:37,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:00:37,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:37,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 05:00:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2021-11-21 05:00:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2021-11-21 05:00:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:00:37,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:37,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-21 05:00:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 186 states and 223 transitions. [2021-11-21 05:00:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 223 transitions. [2021-11-21 05:00:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:00:42,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:42,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:00:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 149 states and 180 transitions. [2021-11-21 05:00:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2021-11-21 05:00:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:00:42,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:42,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:00:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 151 states and 184 transitions. [2021-11-21 05:00:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-21 05:00:43,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:00:43,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:43,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-21 05:00:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 160 states and 197 transitions. [2021-11-21 05:00:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2021-11-21 05:00:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:00:45,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:45,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:00:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 159 states and 194 transitions. [2021-11-21 05:00:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 194 transitions. [2021-11-21 05:00:45,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:00:45,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:45,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-21 05:00:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 169 states and 207 transitions. [2021-11-21 05:00:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2021-11-21 05:00:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:00:48,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:48,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-21 05:00:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 179 states and 230 transitions. [2021-11-21 05:00:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2021-11-21 05:00:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 05:00:50,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:50,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:00:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 179 states and 228 transitions. [2021-11-21 05:00:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2021-11-21 05:00:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:00:50,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:50,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-21 05:00:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 179 states and 227 transitions. [2021-11-21 05:00:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2021-11-21 05:00:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:00:51,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:51,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-11-21 05:00:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 180 states and 227 transitions. [2021-11-21 05:00:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 227 transitions. [2021-11-21 05:00:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 05:00:52,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:52,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-11-21 05:00:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 189 states and 237 transitions. [2021-11-21 05:00:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 237 transitions. [2021-11-21 05:00:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:00:54,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:54,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-21 05:00:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 190 states and 238 transitions. [2021-11-21 05:00:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 238 transitions. [2021-11-21 05:00:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 05:00:55,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:55,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:55,696 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-21 05:00:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 198 states and 251 transitions. [2021-11-21 05:00:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 251 transitions. [2021-11-21 05:00:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:00:56,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:56,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:00:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 201 states and 254 transitions. [2021-11-21 05:00:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2021-11-21 05:00:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:00:56,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:56,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-21 05:00:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 202 states and 256 transitions. [2021-11-21 05:00:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2021-11-21 05:00:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:00:57,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:57,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-21 05:00:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 209 states and 275 transitions. [2021-11-21 05:00:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 275 transitions. [2021-11-21 05:00:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 05:00:58,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:58,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-21 05:00:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 211 states and 276 transitions. [2021-11-21 05:00:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 276 transitions. [2021-11-21 05:00:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 05:00:58,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:58,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 108 proven. 12 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:00:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 214 states and 279 transitions. [2021-11-21 05:00:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 279 transitions. [2021-11-21 05:00:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:00:59,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:59,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-21 05:01:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 216 states and 281 transitions. [2021-11-21 05:01:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 281 transitions. [2021-11-21 05:01:01,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 05:01:01,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:01,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-21 05:01:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 218 states and 284 transitions. [2021-11-21 05:01:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 284 transitions. [2021-11-21 05:01:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:01:05,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:05,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:05,339 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-21 05:01:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 221 states and 288 transitions. [2021-11-21 05:01:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2021-11-21 05:01:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:01:06,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:06,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 139 proven. 22 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:01:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 224 states and 291 transitions. [2021-11-21 05:01:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 291 transitions. [2021-11-21 05:01:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:01:07,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:07,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-21 05:01:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 226 states and 292 transitions. [2021-11-21 05:01:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 292 transitions. [2021-11-21 05:01:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 05:01:08,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:08,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-21 05:01:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 232 states and 300 transitions. [2021-11-21 05:01:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 300 transitions. [2021-11-21 05:01:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 05:01:09,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:09,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 170 proven. 35 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:01:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 235 states and 303 transitions. [2021-11-21 05:01:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 303 transitions. [2021-11-21 05:01:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-21 05:01:10,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:10,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-21 05:01:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 237 states and 309 transitions. [2021-11-21 05:01:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 309 transitions. [2021-11-21 05:01:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-21 05:01:12,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:12,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 201 proven. 51 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:01:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 240 states and 312 transitions. [2021-11-21 05:01:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 312 transitions. [2021-11-21 05:01:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 05:01:13,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:13,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-11-21 05:01:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 245 states and 327 transitions. [2021-11-21 05:01:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 327 transitions. [2021-11-21 05:01:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:01:19,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:19,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-21 05:01:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 248 states and 330 transitions. [2021-11-21 05:01:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 330 transitions. [2021-11-21 05:01:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-21 05:01:21,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:21,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-21 05:01:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 251 states and 337 transitions. [2021-11-21 05:01:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2021-11-21 05:01:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 05:01:23,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:23,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 232 proven. 70 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:01:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 254 states and 340 transitions. [2021-11-21 05:01:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 340 transitions. [2021-11-21 05:01:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 05:01:24,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:24,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-21 05:01:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 255 states and 343 transitions. [2021-11-21 05:01:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 343 transitions. [2021-11-21 05:01:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 05:01:26,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:26,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 263 proven. 92 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:01:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 258 states and 346 transitions. [2021-11-21 05:01:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 346 transitions. [2021-11-21 05:01:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 05:01:27,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:27,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 294 proven. 117 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-21 05:01:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 261 states and 348 transitions. [2021-11-21 05:01:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 348 transitions. [2021-11-21 05:01:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:01:28,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:28,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-11-21 05:01:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 262 states and 349 transitions. [2021-11-21 05:01:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 349 transitions. [2021-11-21 05:01:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:01:36,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:36,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-11-21 05:01:40,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 270 states and 361 transitions. [2021-11-21 05:01:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 361 transitions. [2021-11-21 05:01:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 05:01:40,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:40,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2021-11-21 05:01:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 278 states and 369 transitions. [2021-11-21 05:01:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2021-11-21 05:01:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 05:01:43,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:43,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 153 proven. 5 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:01:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 281 states and 372 transitions. [2021-11-21 05:01:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 372 transitions. [2021-11-21 05:01:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 05:01:44,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:44,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 215 proven. 12 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:01:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 284 states and 375 transitions. [2021-11-21 05:01:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 375 transitions. [2021-11-21 05:01:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 05:01:45,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:45,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 277 proven. 22 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:01:46,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 287 states and 378 transitions. [2021-11-21 05:01:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 378 transitions. [2021-11-21 05:01:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-21 05:01:46,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:46,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 339 proven. 35 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:01:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 290 states and 381 transitions. [2021-11-21 05:01:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 381 transitions. [2021-11-21 05:01:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 05:01:47,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:47,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 471 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-21 05:02:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:02:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 360 states and 469 transitions. [2021-11-21 05:02:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 469 transitions. [2021-11-21 05:02:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-21 05:02:29,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:02:29,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:02:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:02:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2021-11-21 05:02:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:02:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 364 states and 485 transitions. [2021-11-21 05:02:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 485 transitions. [2021-11-21 05:02:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-21 05:02:38,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:02:38,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:02:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:02:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2021-11-21 05:02:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:02:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 364 states and 484 transitions. [2021-11-21 05:02:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 484 transitions. [2021-11-21 05:02:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 05:02:40,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:02:40,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:02:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:02:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 401 proven. 51 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:02:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:02:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 367 states and 487 transitions. [2021-11-21 05:02:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 487 transitions. [2021-11-21 05:02:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 05:02:42,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:02:42,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:02:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:02:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-21 05:03:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:03:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 380 states and 506 transitions. [2021-11-21 05:03:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 506 transitions. [2021-11-21 05:03:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 05:03:02,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:03:02,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:03:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:03:03,494 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:03:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:03:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:03:14,322 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 05:03:14,326 INFO L158 Benchmark]: Toolchain (without parser) took 175612.75ms. Allocated memory was 96.5MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 60.0MB in the beginning and 742.6MB in the end (delta: -682.7MB). Peak memory consumption was 687.1MB. Max. memory is 16.1GB. [2021-11-21 05:03:14,327 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:03:14,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1056.49ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.8MB in the beginning and 88.9MB in the end (delta: -29.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-21 05:03:14,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.15ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 85.7MB in the end (delta: 3.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-21 05:03:14,328 INFO L158 Benchmark]: Boogie Preprocessor took 101.09ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 82.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:03:14,328 INFO L158 Benchmark]: RCFGBuilder took 1129.38ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 75.1MB in the end (delta: 7.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-21 05:03:14,329 INFO L158 Benchmark]: CodeCheck took 173170.21ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 74.3MB in the beginning and 742.6MB in the end (delta: -668.3MB). Peak memory consumption was 681.6MB. Max. memory is 16.1GB. [2021-11-21 05:03:14,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1056.49ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.8MB in the beginning and 88.9MB in the end (delta: -29.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.15ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 85.7MB in the end (delta: 3.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.09ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 82.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.38ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 75.1MB in the end (delta: 7.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 173170.21ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 74.3MB in the beginning and 742.6MB in the end (delta: -668.3MB). Peak memory consumption was 681.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:03:14,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a18bdb7-61e6-476d-9aa8-61978ba253dd/bin/ukojak-vF6T2TMglN/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown