./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0874b2316aff3266709463f0d72702527bf3a82 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:42:24,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:42:24,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:42:24,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:42:24,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:42:24,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:42:24,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:42:24,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:42:24,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:42:24,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:42:24,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:42:24,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:42:24,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:42:24,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:42:24,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:42:24,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:42:24,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:42:24,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:42:24,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:42:24,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:42:24,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:42:24,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:42:24,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:42:24,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:42:24,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:42:24,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:42:24,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:42:24,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:42:24,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:42:24,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:42:24,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:42:24,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:42:24,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:42:24,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:42:24,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:42:24,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:42:24,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:42:24,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:42:24,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:42:24,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:42:24,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:42:24,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:42:24,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:42:24,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:42:24,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:42:24,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:42:24,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:42:24,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:42:24,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:42:24,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:42:24,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:42:24,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:42:24,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:42:24,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:42:24,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:42:24,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:42:24,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:42:24,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:42:24,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:42:24,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:42:24,359 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:42:24,359 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:42:24,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:42:24,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:42:24,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:42:24,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:42:24,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:42:24,361 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:42:24,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:42:24,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:42:24,361 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_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0874b2316aff3266709463f0d72702527bf3a82 [2021-10-13 03:42:24,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:42:24,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:42:24,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:42:24,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:42:24,715 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:42:24,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/nested9.i [2021-10-13 03:42:24,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/data/0922b0a12/b3ffd22ee813492295b6b3c8a3511e58/FLAGaeff68da3 [2021-10-13 03:42:25,365 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:42:25,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/sv-benchmarks/c/loop-invgen/nested9.i [2021-10-13 03:42:25,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/data/0922b0a12/b3ffd22ee813492295b6b3c8a3511e58/FLAGaeff68da3 [2021-10-13 03:42:25,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/data/0922b0a12/b3ffd22ee813492295b6b3c8a3511e58 [2021-10-13 03:42:25,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:42:25,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:42:25,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:42:25,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:42:25,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:42:25,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:42:25" (1/1) ... [2021-10-13 03:42:25,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b741948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:25, skipping insertion in model container [2021-10-13 03:42:25,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:42:25" (1/1) ... [2021-10-13 03:42:25,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:42:25,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:42:26,024 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-10-13 03:42:26,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:42:26,046 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:42:26,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-10-13 03:42:26,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:42:26,080 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:42:26,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26 WrapperNode [2021-10-13 03:42:26,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:42:26,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:42:26,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:42:26,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:42:26,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:42:26,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:42:26,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:42:26,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:42:26,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:42:26,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:42:26,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:42:26,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:42:26,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:42:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:42:26,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:42:26,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:42:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:42:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:42:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:42:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:42:26,601 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:42:26,601 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 03:42:26,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:42:26 BoogieIcfgContainer [2021-10-13 03:42:26,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:42:26,604 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:42:26,604 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:42:26,614 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:42:26,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:42:26" (1/1) ... [2021-10-13 03:42:26,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:42:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-10-13 03:42:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-10-13 03:42:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:42:26,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:26,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:42:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2021-10-13 03:42:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2021-10-13 03:42:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:42:27,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:27,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:42:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2021-10-13 03:42:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2021-10-13 03:42:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:42:27,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:27,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:42:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2021-10-13 03:42:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2021-10-13 03:42:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:42:27,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:27,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:42:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2021-10-13 03:42:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2021-10-13 03:42:28,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:42:28,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:28,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2021-10-13 03:42:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2021-10-13 03:42:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:42:29,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:29,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:42:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2021-10-13 03:42:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2021-10-13 03:42:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:42:30,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:30,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:42:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 36 states and 87 transitions. [2021-10-13 03:42:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 87 transitions. [2021-10-13 03:42:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:42:30,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:30,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:42:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2021-10-13 03:42:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2021-10-13 03:42:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:42:30,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:30,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:42:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2021-10-13 03:42:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2021-10-13 03:42:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:42:31,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:31,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:42:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2021-10-13 03:42:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2021-10-13 03:42:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:42:33,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:33,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 126 transitions. [2021-10-13 03:42:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 126 transitions. [2021-10-13 03:42:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:42:34,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:34,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 130 transitions. [2021-10-13 03:42:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 130 transitions. [2021-10-13 03:42:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:42:34,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:34,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2021-10-13 03:42:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2021-10-13 03:42:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:42:35,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:35,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 57 states and 152 transitions. [2021-10-13 03:42:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 152 transitions. [2021-10-13 03:42:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:42:37,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:37,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2021-10-13 03:42:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2021-10-13 03:42:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:42:38,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:38,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:42:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2021-10-13 03:42:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2021-10-13 03:42:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 03:42:38,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:38,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:42:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2021-10-13 03:42:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2021-10-13 03:42:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 03:42:39,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:39,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:42:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2021-10-13 03:42:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2021-10-13 03:42:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:42:40,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:40,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:42:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 65 states and 170 transitions. [2021-10-13 03:42:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 170 transitions. [2021-10-13 03:42:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:42:41,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:41,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:42:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 175 transitions. [2021-10-13 03:42:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2021-10-13 03:42:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:42:42,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:42,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:42:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2021-10-13 03:42:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2021-10-13 03:42:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:42:43,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:43,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:42:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 74 states and 191 transitions. [2021-10-13 03:42:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 191 transitions. [2021-10-13 03:42:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:42:45,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:45,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:42:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 76 states and 200 transitions. [2021-10-13 03:42:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 200 transitions. [2021-10-13 03:42:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:42:45,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:45,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:42:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2021-10-13 03:42:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2021-10-13 03:42:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 03:42:46,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:46,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:42:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2021-10-13 03:42:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-10-13 03:42:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 03:42:46,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:46,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:42:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2021-10-13 03:42:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2021-10-13 03:42:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 03:42:47,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:47,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:42:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2021-10-13 03:42:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2021-10-13 03:42:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:42:47,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:47,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:42:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 89 states and 225 transitions. [2021-10-13 03:42:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 225 transitions. [2021-10-13 03:42:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:42:51,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:51,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:42:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 91 states and 232 transitions. [2021-10-13 03:42:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 232 transitions. [2021-10-13 03:42:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:42:52,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:52,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:42:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 94 states and 234 transitions. [2021-10-13 03:42:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 234 transitions. [2021-10-13 03:42:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:42:53,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:53,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:42:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 95 states and 234 transitions. [2021-10-13 03:42:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 234 transitions. [2021-10-13 03:42:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:42:53,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:53,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 03:42:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 96 states and 235 transitions. [2021-10-13 03:42:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 235 transitions. [2021-10-13 03:42:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:42:54,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:54,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:42:57,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 103 states and 245 transitions. [2021-10-13 03:42:57,902 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 245 transitions. [2021-10-13 03:42:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:42:57,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:57,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 03:42:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 106 states and 252 transitions. [2021-10-13 03:42:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 252 transitions. [2021-10-13 03:42:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:42:59,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:59,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 03:42:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:42:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 107 states and 252 transitions. [2021-10-13 03:42:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 252 transitions. [2021-10-13 03:42:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:42:59,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:42:59,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:42:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:42:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 03:43:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 108 states and 252 transitions. [2021-10-13 03:43:00,252 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 252 transitions. [2021-10-13 03:43:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:43:00,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:00,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 03:43:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 109 states and 254 transitions. [2021-10-13 03:43:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 254 transitions. [2021-10-13 03:43:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:43:00,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:00,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 03:43:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 111 states and 257 transitions. [2021-10-13 03:43:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 257 transitions. [2021-10-13 03:43:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:43:01,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:01,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:43:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 116 states and 265 transitions. [2021-10-13 03:43:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 265 transitions. [2021-10-13 03:43:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:43:05,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:05,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-13 03:43:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 117 states and 265 transitions. [2021-10-13 03:43:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 265 transitions. [2021-10-13 03:43:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:43:05,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:05,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-13 03:43:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 118 states and 265 transitions. [2021-10-13 03:43:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 265 transitions. [2021-10-13 03:43:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 03:43:06,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:06,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 03:43:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 131 states and 297 transitions. [2021-10-13 03:43:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 297 transitions. [2021-10-13 03:43:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 03:43:12,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:12,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 03:43:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 135 states and 303 transitions. [2021-10-13 03:43:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 303 transitions. [2021-10-13 03:43:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 03:43:14,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:14,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-13 03:43:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 136 states and 304 transitions. [2021-10-13 03:43:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 304 transitions. [2021-10-13 03:43:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 03:43:15,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:15,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-13 03:43:16,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 137 states and 304 transitions. [2021-10-13 03:43:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 304 transitions. [2021-10-13 03:43:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:43:16,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:16,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 03:43:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 140 states and 315 transitions. [2021-10-13 03:43:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 315 transitions. [2021-10-13 03:43:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:43:17,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:17,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 03:43:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 142 states and 316 transitions. [2021-10-13 03:43:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 316 transitions. [2021-10-13 03:43:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:43:18,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:18,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 03:43:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 143 states and 318 transitions. [2021-10-13 03:43:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 318 transitions. [2021-10-13 03:43:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:43:19,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:19,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 03:43:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 144 states and 319 transitions. [2021-10-13 03:43:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 319 transitions. [2021-10-13 03:43:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 03:43:19,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:19,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-13 03:43:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 321 transitions. [2021-10-13 03:43:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2021-10-13 03:43:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 03:43:20,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:20,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-13 03:43:22,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 148 states and 326 transitions. [2021-10-13 03:43:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 326 transitions. [2021-10-13 03:43:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:43:22,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:22,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:22,715 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:43:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 158 states and 345 transitions. [2021-10-13 03:43:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 345 transitions. [2021-10-13 03:43:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:43:28,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:28,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:43:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 165 states and 354 transitions. [2021-10-13 03:43:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 354 transitions. [2021-10-13 03:43:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:43:32,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:32,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:43:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 167 states and 355 transitions. [2021-10-13 03:43:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 355 transitions. [2021-10-13 03:43:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 03:43:33,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:33,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 03:43:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 177 states and 380 transitions. [2021-10-13 03:43:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 380 transitions. [2021-10-13 03:43:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 03:43:39,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:39,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 03:43:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 179 states and 383 transitions. [2021-10-13 03:43:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 383 transitions. [2021-10-13 03:43:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:43:40,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:40,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-13 03:43:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 178 states and 387 transitions. [2021-10-13 03:43:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 387 transitions. [2021-10-13 03:43:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 03:43:43,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:43,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-13 03:43:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 185 states and 401 transitions. [2021-10-13 03:43:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 401 transitions. [2021-10-13 03:43:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 03:43:48,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:48,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-13 03:43:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 187 states and 402 transitions. [2021-10-13 03:43:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 402 transitions. [2021-10-13 03:43:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-13 03:43:49,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:49,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-13 03:43:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:50,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 188 states and 402 transitions. [2021-10-13 03:43:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 402 transitions. [2021-10-13 03:43:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:43:50,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:50,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-13 03:43:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 193 states and 408 transitions. [2021-10-13 03:43:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 408 transitions. [2021-10-13 03:43:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:43:55,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:55,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-13 03:43:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 195 states and 409 transitions. [2021-10-13 03:43:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 409 transitions. [2021-10-13 03:43:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 03:43:56,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:56,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:44:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 210 states and 428 transitions. [2021-10-13 03:44:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 428 transitions. [2021-10-13 03:44:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 03:44:06,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:06,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-13 03:44:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 211 states and 429 transitions. [2021-10-13 03:44:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 429 transitions. [2021-10-13 03:44:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-13 03:44:07,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:07,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 223 proven. 22 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-10-13 03:44:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 214 states and 438 transitions. [2021-10-13 03:44:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 438 transitions. [2021-10-13 03:44:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 03:44:09,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:09,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 219 proven. 99 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-13 03:44:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 222 states and 453 transitions. [2021-10-13 03:44:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 453 transitions. [2021-10-13 03:44:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 03:44:14,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:14,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 219 proven. 99 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-13 03:44:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 224 states and 454 transitions. [2021-10-13 03:44:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 454 transitions. [2021-10-13 03:44:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-13 03:44:15,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:15,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 303 proven. 35 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-10-13 03:44:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 234 states and 467 transitions. [2021-10-13 03:44:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 467 transitions. [2021-10-13 03:44:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-13 03:44:21,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:21,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-13 03:44:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 102 states and 216 transitions. [2021-10-13 03:44:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 216 transitions. [2021-10-13 03:44:25,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:44:25,776 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 70 iterations. [2021-10-13 03:44:25,783 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 03:44:26,338 INFO L565 CodeCheckObserver]: Invariant with dag size 17 [2021-10-13 03:44:26,347 INFO L565 CodeCheckObserver]: Invariant with dag size 27 [2021-10-13 03:44:26,349 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-13 03:44:26,351 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:44:26,351 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:44:26,351 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:44:26,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:44:26 ImpRootNode [2021-10-13 03:44:26,352 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:44:26,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:44:26,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:44:26,353 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:44:26,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:42:26" (3/4) ... [2021-10-13 03:44:26,356 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:44:26,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 03:44:26,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 03:44:26,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:44:26,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:44:26,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:44:26,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:44:26,408 INFO L168 Benchmark]: Toolchain (without parser) took 120667.97 ms. Allocated memory was 102.8 MB in the beginning and 960.5 MB in the end (delta: 857.7 MB). Free memory was 63.7 MB in the beginning and 361.6 MB in the end (delta: -297.9 MB). Peak memory consumption was 560.0 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,409 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory was 80.2 MB in the beginning and 80.2 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:44:26,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.66 ms. Allocated memory is still 102.8 MB. Free memory was 63.5 MB in the beginning and 77.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.38 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 76.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,411 INFO L168 Benchmark]: Boogie Preprocessor took 21.54 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 75.2 MB in the end (delta: 912.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,411 INFO L168 Benchmark]: RCFGBuilder took 469.42 ms. Allocated memory is still 102.8 MB. Free memory was 75.2 MB in the beginning and 63.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,412 INFO L168 Benchmark]: CodeCheck took 119747.88 ms. Allocated memory was 102.8 MB in the beginning and 960.5 MB in the end (delta: 857.7 MB). Free memory was 63.5 MB in the beginning and 363.5 MB in the end (delta: -299.9 MB). Peak memory consumption was 560.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,412 INFO L168 Benchmark]: Witness Printer took 54.10 ms. Allocated memory is still 960.5 MB. Free memory was 363.5 MB in the beginning and 361.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:26,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 119143.6ms, OverallIterations: 70, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 2029402104 SDslu, 0 SDs, 0 SdLazy, -1217739154 SolverSat, -1127805882 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81358.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22419 GetRequests, 20515 SyntacticMatches, 946 SemanticMatches, 958 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467966 ImplicationChecksByTransitivity, 112159.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 102.2ms SsaConstructionTime, 692.2ms SatisfiabilityAnalysisTime, 7722.8ms InterpolantComputationTime, 2068 NumberOfCodeBlocks, 2068 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 1999 ConstructedInterpolants, 0 QuantifiedInterpolants, 7724 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 69 InterpolantComputations, 4 PerfectInterpolantSequences, 3789/5409 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (3 * i <= j || (i + 1 <= n && i == 0)) || (i + 1 <= n && 2 * i <= j) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((3 * i <= j + 1 && j < k + 1) || ((i + 1 <= n && j < k + 1) && i == 0)) || (3 * i <= j + 1 && j + 1 <= 2 * n + i)) || ((i + 1 <= n && j + 1 < 3 * i) && 2 * i <= j) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((i + 1 <= n && k == 0) && i == 0) && j + 1 <= 2 * n + i) || (3 * i <= j + 1 && j + 1 <= 2 * n + i)) || ((i + 1 <= n && j + 1 < 3 * i) && 2 * i <= j) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory was 80.2 MB in the beginning and 80.2 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.66 ms. Allocated memory is still 102.8 MB. Free memory was 63.5 MB in the beginning and 77.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.38 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 76.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.54 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 75.2 MB in the end (delta: 912.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 469.42 ms. Allocated memory is still 102.8 MB. Free memory was 75.2 MB in the beginning and 63.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 119747.88 ms. Allocated memory was 102.8 MB in the beginning and 960.5 MB in the end (delta: 857.7 MB). Free memory was 63.5 MB in the beginning and 363.5 MB in the end (delta: -299.9 MB). Peak memory consumption was 560.4 MB. Max. memory is 16.1 GB. * Witness Printer took 54.10 ms. Allocated memory is still 960.5 MB. Free memory was 363.5 MB in the beginning and 361.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:44:26,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a2fc52-a14d-4757-9ec8-7df4ba78737f/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...