./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:23:25,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:23:25,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:23:25,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:23:25,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:23:25,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:23:25,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:23:25,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:23:25,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:23:25,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:23:25,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:23:25,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:23:25,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:23:25,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:23:25,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:23:25,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:23:25,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:23:25,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:23:25,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:23:25,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:23:25,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:23:25,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:23:25,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:23:25,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:23:25,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:23:25,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:23:25,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:23:25,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:23:25,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:23:25,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:23:25,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:23:25,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:23:25,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:23:25,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:23:25,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:23:25,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:23:25,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:23:25,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:23:25,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:23:25,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:23:25,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:23:25,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:23:25,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:23:25,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:23:25,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:23:25,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:23:25,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:23:25,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:23:25,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:23:25,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:23:25,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:23:25,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:23:25,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:23:25,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:23:25,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:23:25,376 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:23:25,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:23:25,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:23:25,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:23:25,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:23:25,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:23:25,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:23:25,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:23:25,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:23:25,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:23:25,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:23:25,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:23:25,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:23:25,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:23:25,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2021-11-21 06:23:25,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:23:25,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:23:25,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:23:25,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:23:25,687 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:23:25,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2021-11-21 06:23:25,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/data/42147ba2a/7344520b0f974c8c837a410064fa7962/FLAG0e732c68a [2021-11-21 06:23:26,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:23:26,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2021-11-21 06:23:26,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/data/42147ba2a/7344520b0f974c8c837a410064fa7962/FLAG0e732c68a [2021-11-21 06:23:26,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/data/42147ba2a/7344520b0f974c8c837a410064fa7962 [2021-11-21 06:23:26,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:23:26,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:23:26,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:23:26,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:23:26,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:23:26,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:23:26" (1/1) ... [2021-11-21 06:23:26,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f399ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:26, skipping insertion in model container [2021-11-21 06:23:26,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:23:26" (1/1) ... [2021-11-21 06:23:26,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:23:26,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:23:26,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:23:27,005 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:23:27,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:23:27,032 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:23:27,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27 WrapperNode [2021-11-21 06:23:27,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:23:27,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:23:27,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:23:27,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:23:27,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,071 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-21 06:23:27,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:23:27,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:23:27,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:23:27,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:23:27,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:23:27,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:23:27,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:23:27,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:23:27,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:23:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:23:27,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:23:27,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c14e23-3a85-403c-b96f-b99ff20a0fcc/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:23:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:23:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:23:27,255 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:23:27,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:23:27,439 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:23:27,460 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:23:27,461 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:23:27,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:23:27 BoogieIcfgContainer [2021-11-21 06:23:27,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:23:27,466 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:23:27,466 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:23:27,478 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:23:27,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:23:27" (1/1) ... [2021-11-21 06:23:27,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:23:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-21 06:23:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-21 06:23:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:23:27,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:27,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-21 06:23:27,981 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-21 06:23:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:23:27,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:27,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2021-11-21 06:23:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-21 06:23:28,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:23:28,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-21 06:23:28,208 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-21 06:23:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:23:28,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-21 06:23:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 06:23:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:23:28,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2021-11-21 06:23:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-11-21 06:23:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:23:28,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2021-11-21 06:23:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-21 06:23:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:23:28,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-21 06:23:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-21 06:23:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:23:28,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-21 06:23:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-21 06:23:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:23:28,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:28,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:29,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-21 06:23:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-21 06:23:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:23:29,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:29,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:23:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-21 06:23:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-21 06:23:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:23:29,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:29,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-21 06:23:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-21 06:23:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:23:29,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:29,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:23:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-21 06:23:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-21 06:23:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:23:29,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:29,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-21 06:23:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-21 06:23:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:23:30,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:30,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:23:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-21 06:23:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-21 06:23:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:23:30,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:30,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-21 06:23:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-21 06:23:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:23:30,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:30,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-21 06:23:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-21 06:23:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:23:31,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:31,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2021-11-21 06:23:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2021-11-21 06:23:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:23:31,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:31,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-11-21 06:23:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-11-21 06:23:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:23:31,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:31,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-21 06:23:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-21 06:23:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:23:32,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:32,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2021-11-21 06:23:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2021-11-21 06:23:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:23:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:32,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2021-11-21 06:23:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2021-11-21 06:23:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:23:33,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:33,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-21 06:23:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-21 06:23:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:23:33,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:33,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-21 06:23:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-21 06:23:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:23:34,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:34,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 91 transitions. [2021-11-21 06:23:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2021-11-21 06:23:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:23:34,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:34,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 1 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 93 transitions. [2021-11-21 06:23:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2021-11-21 06:23:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:23:35,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:35,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-21 06:23:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 76 states and 96 transitions. [2021-11-21 06:23:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2021-11-21 06:23:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:23:35,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:35,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 1 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 121 states and 154 transitions. [2021-11-21 06:23:37,831 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2021-11-21 06:23:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:23:37,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:37,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 2 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 156 transitions. [2021-11-21 06:23:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2021-11-21 06:23:38,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:23:38,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:38,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 125 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-21 06:23:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 125 states and 158 transitions. [2021-11-21 06:23:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2021-11-21 06:23:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:23:38,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:38,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 220 transitions. [2021-11-21 06:23:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 220 transitions. [2021-11-21 06:23:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:23:41,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:41,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 174 states and 222 transitions. [2021-11-21 06:23:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 222 transitions. [2021-11-21 06:23:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 06:23:42,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:42,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 06:23:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 176 states and 224 transitions. [2021-11-21 06:23:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2021-11-21 06:23:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:23:42,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:42,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:23:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:43,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 178 states and 226 transitions. [2021-11-21 06:23:43,294 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 226 transitions. [2021-11-21 06:23:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:23:43,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:43,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:23:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 180 states and 229 transitions. [2021-11-21 06:23:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2021-11-21 06:23:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 06:23:43,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:43,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 7 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 192 states and 244 transitions. [2021-11-21 06:23:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2021-11-21 06:23:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 06:23:46,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:46,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-21 06:23:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 194 states and 246 transitions. [2021-11-21 06:23:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 246 transitions. [2021-11-21 06:23:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 06:23:46,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:46,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 9 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 202 states and 259 transitions. [2021-11-21 06:23:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2021-11-21 06:23:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 06:23:48,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:48,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 9 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 235 states and 301 transitions. [2021-11-21 06:23:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 301 transitions. [2021-11-21 06:23:50,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 06:23:50,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:50,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 9 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 243 states and 309 transitions. [2021-11-21 06:23:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 309 transitions. [2021-11-21 06:23:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 06:23:51,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:51,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 10 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 245 states and 311 transitions. [2021-11-21 06:23:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 311 transitions. [2021-11-21 06:23:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 06:23:52,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:52,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 345 proven. 1 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-21 06:23:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 247 states and 313 transitions. [2021-11-21 06:23:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 313 transitions. [2021-11-21 06:23:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 06:23:52,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:52,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-21 06:23:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 249 states and 316 transitions. [2021-11-21 06:23:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 316 transitions. [2021-11-21 06:23:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 06:23:53,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-21 06:23:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 251 states and 318 transitions. [2021-11-21 06:23:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 318 transitions. [2021-11-21 06:23:53,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 06:23:53,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:53,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 13 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 263 states and 333 transitions. [2021-11-21 06:23:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 333 transitions. [2021-11-21 06:23:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 06:23:56,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:56,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-11-21 06:23:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 265 states and 335 transitions. [2021-11-21 06:23:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 335 transitions. [2021-11-21 06:23:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 06:23:57,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:57,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 281 states and 356 transitions. [2021-11-21 06:24:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 356 transitions. [2021-11-21 06:24:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 06:24:00,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:00,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 308 states and 390 transitions. [2021-11-21 06:24:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 390 transitions. [2021-11-21 06:24:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 06:24:02,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:02,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 16 proven. 887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 310 states and 392 transitions. [2021-11-21 06:24:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 392 transitions. [2021-11-21 06:24:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 06:24:03,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:03,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-21 06:24:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 312 states and 394 transitions. [2021-11-21 06:24:03,894 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 394 transitions. [2021-11-21 06:24:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 06:24:03,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:03,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-21 06:24:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 314 states and 396 transitions. [2021-11-21 06:24:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 396 transitions. [2021-11-21 06:24:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 06:24:04,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:04,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-21 06:24:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 316 states and 398 transitions. [2021-11-21 06:24:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 398 transitions. [2021-11-21 06:24:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 06:24:05,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:05,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-21 06:24:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 318 states and 401 transitions. [2021-11-21 06:24:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 401 transitions. [2021-11-21 06:24:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 06:24:05,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:05,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 19 proven. 1049 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 330 states and 416 transitions. [2021-11-21 06:24:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 416 transitions. [2021-11-21 06:24:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 06:24:09,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:09,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-11-21 06:24:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 332 states and 418 transitions. [2021-11-21 06:24:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 418 transitions. [2021-11-21 06:24:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 06:24:09,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:09,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-11-21 06:24:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 334 states and 421 transitions. [2021-11-21 06:24:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 421 transitions. [2021-11-21 06:24:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 06:24:10,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:10,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-11-21 06:24:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 336 states and 423 transitions. [2021-11-21 06:24:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 423 transitions. [2021-11-21 06:24:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 06:24:10,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:10,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 23 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 348 states and 439 transitions. [2021-11-21 06:24:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 439 transitions. [2021-11-21 06:24:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 06:24:14,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:14,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:15,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 23 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 356 states and 447 transitions. [2021-11-21 06:24:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 447 transitions. [2021-11-21 06:24:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-21 06:24:15,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:15,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-21 06:24:16,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:16,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 358 states and 449 transitions. [2021-11-21 06:24:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2021-11-21 06:24:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-21 06:24:16,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:16,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-21 06:24:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 360 states and 451 transitions. [2021-11-21 06:24:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 451 transitions. [2021-11-21 06:24:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-21 06:24:17,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:17,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 446 proven. 1 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-21 06:24:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 362 states and 453 transitions. [2021-11-21 06:24:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 453 transitions. [2021-11-21 06:24:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-21 06:24:17,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:17,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 25 proven. 1497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 364 states and 457 transitions. [2021-11-21 06:24:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 457 transitions. [2021-11-21 06:24:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-21 06:24:19,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:19,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 25 proven. 1497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 372 states and 465 transitions. [2021-11-21 06:24:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 465 transitions. [2021-11-21 06:24:20,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 06:24:20,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:20,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 481 proven. 1 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2021-11-21 06:24:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 374 states and 467 transitions. [2021-11-21 06:24:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 467 transitions. [2021-11-21 06:24:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-21 06:24:21,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:21,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 396 proven. 1 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2021-11-21 06:24:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 376 states and 470 transitions. [2021-11-21 06:24:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 470 transitions. [2021-11-21 06:24:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-21 06:24:22,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:22,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 396 proven. 1 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2021-11-21 06:24:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 378 states and 472 transitions. [2021-11-21 06:24:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 472 transitions. [2021-11-21 06:24:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-21 06:24:22,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:22,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 29 proven. 1798 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 398 states and 496 transitions. [2021-11-21 06:24:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 496 transitions. [2021-11-21 06:24:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-21 06:24:27,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:27,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 516 proven. 1 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2021-11-21 06:24:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 400 states and 498 transitions. [2021-11-21 06:24:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 498 transitions. [2021-11-21 06:24:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-21 06:24:28,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:28,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 423 proven. 1 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2021-11-21 06:24:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 402 states and 501 transitions. [2021-11-21 06:24:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 501 transitions. [2021-11-21 06:24:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-21 06:24:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:28,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 31 proven. 2029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 404 states and 505 transitions. [2021-11-21 06:24:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 505 transitions. [2021-11-21 06:24:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-21 06:24:31,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:31,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 31 proven. 2029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 412 states and 513 transitions. [2021-11-21 06:24:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 513 transitions. [2021-11-21 06:24:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 06:24:32,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:32,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-11-21 06:24:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 414 states and 515 transitions. [2021-11-21 06:24:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 515 transitions. [2021-11-21 06:24:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 06:24:33,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:33,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-11-21 06:24:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 416 states and 517 transitions. [2021-11-21 06:24:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 517 transitions. [2021-11-21 06:24:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-21 06:24:34,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:34,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2021-11-21 06:24:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 418 states and 522 transitions. [2021-11-21 06:24:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 522 transitions. [2021-11-21 06:24:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-21 06:24:35,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:35,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2021-11-21 06:24:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 420 states and 524 transitions. [2021-11-21 06:24:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 524 transitions. [2021-11-21 06:24:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-21 06:24:36,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:36,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2568 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2021-11-21 06:24:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 422 states and 526 transitions. [2021-11-21 06:24:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 526 transitions. [2021-11-21 06:24:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-21 06:24:36,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:36,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:30:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2682 backedges. 591 proven. 2060 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked.