./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:34:33,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:34:33,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:34:33,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:34:33,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:34:33,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:34:33,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:34:33,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:34:33,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:34:33,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:34:33,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:34:33,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:34:33,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:34:33,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:34:33,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:34:33,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:34:33,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:34:33,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:34:33,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:34:33,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:34:33,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:34:33,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:34:33,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:34:33,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:34:33,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:34:33,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:34:33,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:34:33,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:34:33,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:34:33,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:34:33,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:34:33,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:34:33,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:34:33,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:34:33,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:34:33,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:34:33,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:34:33,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:34:33,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:34:33,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:34:33,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:34:33,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:34:33,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:34:33,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:34:33,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:34:33,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:34:33,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:34:33,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:34:33,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:34:33,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:34:33,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:34:33,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:34:33,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:34:33,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:34:33,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:34:33,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:34:33,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:34:33,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:34:33,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:34:33,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:34:33,299 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:34:33,299 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:34:33,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:34:33,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:34:33,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:34:33,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:34:33,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:34:33,301 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:34:33,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:34:33,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:34:33,301 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_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63900034700ff8018e29578512f73f88317ae4b603a38b2f2f558c77b57812d [2021-11-23 00:34:33,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:34:33,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:34:33,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:34:33,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:34:33,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:34:33,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2021-11-23 00:34:33,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/data/0418b392c/6b4f115a5f174baebfcb10310e6e56e9/FLAG9d2422fba [2021-11-23 00:34:34,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:34:34,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2021-11-23 00:34:34,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/data/0418b392c/6b4f115a5f174baebfcb10310e6e56e9/FLAG9d2422fba [2021-11-23 00:34:34,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/data/0418b392c/6b4f115a5f174baebfcb10310e6e56e9 [2021-11-23 00:34:34,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:34:34,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:34:34,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:34:34,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:34:34,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:34:34,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e39390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34, skipping insertion in model container [2021-11-23 00:34:34,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:34:34,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:34:35,057 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_0b09356b-4642-4a8e-bdeb-e0493a8df380/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i[22605,22618] [2021-11-23 00:34:35,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:34:35,071 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:34:35,137 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_0b09356b-4642-4a8e-bdeb-e0493a8df380/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i[22605,22618] [2021-11-23 00:34:35,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:34:35,179 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:34:35,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35 WrapperNode [2021-11-23 00:34:35,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:34:35,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:34:35,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:34:35,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:34:35,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,264 INFO L137 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2021-11-23 00:34:35,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:34:35,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:34:35,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:34:35,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:34:35,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:34:35,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:34:35,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:34:35,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:34:35,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:34:35,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:34:35,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:34:35,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b09356b-4642-4a8e-bdeb-e0493a8df380/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:34:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:34:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:34:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:34:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:34:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:34:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:34:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:34:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:34:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:34:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:34:35,555 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:34:35,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:34:35,837 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:34:35,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:34:35,877 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 00:34:35,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:35 BoogieIcfgContainer [2021-11-23 00:34:35,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:34:35,881 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:34:35,881 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:34:35,890 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:34:35,891 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:35" (1/1) ... [2021-11-23 00:34:35,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:34:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 00:34:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 00:34:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:34:35,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:35,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 00:34:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 00:34:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:36,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:36,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 00:34:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 00:34:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:34:36,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:36,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2021-11-23 00:34:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-23 00:34:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:34:37,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:37,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2021-11-23 00:34:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-11-23 00:34:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:34:38,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:38,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2021-11-23 00:34:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2021-11-23 00:34:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:34:39,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:39,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 91 transitions. [2021-11-23 00:34:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-11-23 00:34:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:34:39,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:39,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2021-11-23 00:34:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2021-11-23 00:34:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:34:39,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:39,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:34:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 60 states and 118 transitions. [2021-11-23 00:34:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 118 transitions. [2021-11-23 00:34:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:34:41,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:41,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:42,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:42,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2021-11-23 00:34:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2021-11-23 00:34:42,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:34:42,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:42,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2021-11-23 00:34:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2021-11-23 00:34:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:34:44,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:44,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2021-11-23 00:34:46,471 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2021-11-23 00:34:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:34:46,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:46,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 60 states and 111 transitions. [2021-11-23 00:34:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-11-23 00:34:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:34:47,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:47,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2021-11-23 00:34:48,161 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-23 00:34:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:34:48,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:48,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2021-11-23 00:34:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2021-11-23 00:34:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:34:53,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:53,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:34:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 143 transitions. [2021-11-23 00:34:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2021-11-23 00:34:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:34:54,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:54,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:34:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2021-11-23 00:34:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2021-11-23 00:34:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:34:55,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:55,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:34:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2021-11-23 00:34:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2021-11-23 00:34:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:34:57,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:57,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:34:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 00:34:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 00:34:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:34:57,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:57,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2021-11-23 00:35:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2021-11-23 00:35:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:35:01,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:01,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:35:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 87 states and 168 transitions. [2021-11-23 00:35:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 168 transitions. [2021-11-23 00:35:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:35:03,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:03,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2021-11-23 00:35:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2021-11-23 00:35:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:35:06,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:06,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 102 states and 208 transitions. [2021-11-23 00:35:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 208 transitions. [2021-11-23 00:35:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:35:13,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:13,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 104 states and 211 transitions. [2021-11-23 00:35:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 211 transitions. [2021-11-23 00:35:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:35:14,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:14,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 113 states and 241 transitions. [2021-11-23 00:35:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 241 transitions. [2021-11-23 00:35:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:35:21,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:35:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:22,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 114 states and 242 transitions. [2021-11-23 00:35:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 242 transitions. [2021-11-23 00:35:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:35:22,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:22,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:35:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 117 states and 247 transitions. [2021-11-23 00:35:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 247 transitions. [2021-11-23 00:35:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:35:24,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:24,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:35:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 118 states and 251 transitions. [2021-11-23 00:35:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 251 transitions. [2021-11-23 00:35:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:35:25,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:25,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 122 states and 262 transitions. [2021-11-23 00:35:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 262 transitions. [2021-11-23 00:35:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:35:29,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:29,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 124 states and 264 transitions. [2021-11-23 00:35:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 264 transitions. [2021-11-23 00:35:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:35:30,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 116 states and 235 transitions. [2021-11-23 00:35:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 235 transitions. [2021-11-23 00:35:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:32,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:32,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:33,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 122 states and 253 transitions. [2021-11-23 00:35:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 253 transitions. [2021-11-23 00:35:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:37,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 125 states and 259 transitions. [2021-11-23 00:35:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 259 transitions. [2021-11-23 00:35:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:39,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 128 states and 268 transitions. [2021-11-23 00:35:42,410 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 268 transitions. [2021-11-23 00:35:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:42,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:42,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 139 states and 295 transitions. [2021-11-23 00:35:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 295 transitions. [2021-11-23 00:35:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:58,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 141 states and 298 transitions. [2021-11-23 00:36:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 298 transitions. [2021-11-23 00:36:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:00,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 145 states and 308 transitions. [2021-11-23 00:36:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 308 transitions. [2021-11-23 00:36:09,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:09,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 150 states and 332 transitions. [2021-11-23 00:36:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 332 transitions. [2021-11-23 00:36:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:36:16,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 152 states and 337 transitions. [2021-11-23 00:36:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 337 transitions. [2021-11-23 00:36:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:25,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 161 states and 359 transitions. [2021-11-23 00:36:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 359 transitions. [2021-11-23 00:36:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:41,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:44,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 163 states and 362 transitions. [2021-11-23 00:36:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 362 transitions. [2021-11-23 00:36:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:44,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:44,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 173 states and 407 transitions. [2021-11-23 00:36:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 407 transitions. [2021-11-23 00:36:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:59,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:59,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 176 states and 425 transitions. [2021-11-23 00:37:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 425 transitions. [2021-11-23 00:37:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:37:03,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:03,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 178 states and 439 transitions. [2021-11-23 00:37:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 439 transitions. [2021-11-23 00:37:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:37:06,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:06,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 180 states and 444 transitions. [2021-11-23 00:37:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 444 transitions. [2021-11-23 00:37:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:37:09,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:09,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 475 transitions. [2021-11-23 00:37:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 475 transitions. [2021-11-23 00:37:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:21,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:21,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 190 states and 486 transitions. [2021-11-23 00:37:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 486 transitions. [2021-11-23 00:37:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:30,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:30,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 488 transitions. [2021-11-23 00:37:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 488 transitions. [2021-11-23 00:37:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:33,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 188 states and 473 transitions. [2021-11-23 00:37:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 473 transitions. [2021-11-23 00:37:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:37:42,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 481 transitions. [2021-11-23 00:37:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 481 transitions. [2021-11-23 00:37:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:37:47,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 192 states and 491 transitions. [2021-11-23 00:37:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 491 transitions. [2021-11-23 00:37:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:37:52,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 503 transitions. [2021-11-23 00:37:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 503 transitions. [2021-11-23 00:37:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:37:58,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:58,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 208 states and 538 transitions. [2021-11-23 00:38:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 538 transitions. [2021-11-23 00:38:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:38:22,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:22,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 208 states and 537 transitions. [2021-11-23 00:38:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 537 transitions. [2021-11-23 00:38:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:28,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:28,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 216 states and 562 transitions. [2021-11-23 00:38:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 562 transitions. [2021-11-23 00:38:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:44,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:44,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 220 states and 573 transitions. [2021-11-23 00:38:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 573 transitions. [2021-11-23 00:38:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:50,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:50,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 223 states and 579 transitions. [2021-11-23 00:38:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 579 transitions. [2021-11-23 00:38:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:56,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:56,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 229 states and 599 transitions. [2021-11-23 00:39:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 599 transitions. [2021-11-23 00:39:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:39:09,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:09,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 231 states and 602 transitions. [2021-11-23 00:39:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 602 transitions. [2021-11-23 00:39:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:39:12,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 235 states and 613 transitions. [2021-11-23 00:39:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 613 transitions. [2021-11-23 00:39:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:30,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:30,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 239 states and 625 transitions. [2021-11-23 00:39:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 625 transitions. [2021-11-23 00:39:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:43,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:43,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 245 states and 641 transitions. [2021-11-23 00:39:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 641 transitions. [2021-11-23 00:39:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:54,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:54,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:40:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 248 states and 649 transitions. [2021-11-23 00:40:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 649 transitions. [2021-11-23 00:40:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:00,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:00,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 256 states and 678 transitions. [2021-11-23 00:40:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 678 transitions. [2021-11-23 00:40:24,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:24,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:24,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:29,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 259 states and 688 transitions. [2021-11-23 00:40:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 688 transitions. [2021-11-23 00:40:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:29,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:29,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 262 states and 698 transitions. [2021-11-23 00:40:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 698 transitions. [2021-11-23 00:40:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:36,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:36,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 265 states and 715 transitions. [2021-11-23 00:40:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 715 transitions. [2021-11-23 00:40:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:42,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:42,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 268 states and 727 transitions. [2021-11-23 00:40:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 727 transitions. [2021-11-23 00:40:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:49,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:49,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 271 states and 741 transitions. [2021-11-23 00:40:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 741 transitions. [2021-11-23 00:40:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:56,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:56,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 273 states and 747 transitions. [2021-11-23 00:41:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 747 transitions. [2021-11-23 00:41:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:41:14,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:14,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 284 states and 776 transitions. [2021-11-23 00:41:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 776 transitions. [2021-11-23 00:41:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:41:53,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:53,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 294 states and 817 transitions. [2021-11-23 00:42:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 817 transitions. [2021-11-23 00:42:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:31,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:31,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 301 states and 838 transitions. [2021-11-23 00:42:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 838 transitions. [2021-11-23 00:42:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:48,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:48,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 304 states and 845 transitions. [2021-11-23 00:42:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 845 transitions. [2021-11-23 00:42:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:56,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:56,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 307 states and 874 transitions. [2021-11-23 00:43:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 874 transitions. [2021-11-23 00:43:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:43:10,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:10,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:43:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 313 states and 934 transitions. [2021-11-23 00:43:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 934 transitions. [2021-11-23 00:43:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:43:46,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:46,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:43:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 315 states and 936 transitions. [2021-11-23 00:43:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 936 transitions. [2021-11-23 00:43:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:43:52,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:52,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 321 states and 963 transitions. [2021-11-23 00:44:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 963 transitions. [2021-11-23 00:44:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:44:19,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 324 states and 980 transitions. [2021-11-23 00:44:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 980 transitions. [2021-11-23 00:44:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:44:27,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:27,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 327 states and 992 transitions. [2021-11-23 00:44:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 992 transitions. [2021-11-23 00:44:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:44:35,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:35,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 331 states and 1004 transitions. [2021-11-23 00:45:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1004 transitions. [2021-11-23 00:45:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:02,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:02,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:45:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 335 states and 1015 transitions. [2021-11-23 00:45:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1015 transitions. [2021-11-23 00:45:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:16,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:16,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 343 states and 1054 transitions. [2021-11-23 00:45:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1054 transitions. [2021-11-23 00:45:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:49,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:49,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 345 states and 1059 transitions. [2021-11-23 00:45:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1059 transitions. [2021-11-23 00:45:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:56,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:56,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 341 states and 1043 transitions. [2021-11-23 00:46:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1043 transitions. [2021-11-23 00:46:09,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:46:09,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:09,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 343 states and 1046 transitions. [2021-11-23 00:46:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1046 transitions. [2021-11-23 00:46:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:46:16,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:16,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.