./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:16:39,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:16:39,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:16:39,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:16:39,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:16:39,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:16:39,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:16:39,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:16:39,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:16:39,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:16:39,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:16:39,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:16:39,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:16:39,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:16:39,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:16:39,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:16:39,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:16:39,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:16:39,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:16:39,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:16:39,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:16:39,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:16:39,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:16:39,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:16:39,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:16:39,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:16:39,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:16:39,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:16:39,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:16:39,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:16:39,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:16:39,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:16:39,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:16:39,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:16:39,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:16:39,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:16:39,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:16:39,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:16:39,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:16:39,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:16:39,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:16:39,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:16:39,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:16:39,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:16:39,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:16:39,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:16:39,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:16:39,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:16:39,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:16:39,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:16:39,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:16:39,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:16:39,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:16:39,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:16:39,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:16:39,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:16:39,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:16:39,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:16:39,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:16:39,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:16:39,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:16:39,460 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:16:39,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:16:39,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:39,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:16:39,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:16:39,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:16:39,461 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:16:39,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:16:39,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:16:39,462 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_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2021-11-22 23:16:39,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:16:39,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:16:39,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:16:39,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:16:39,813 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:16:39,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-invgen/nested9.i [2021-11-22 23:16:39,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/data/2247bbbb1/7da09526b66543e3aa8fa79783862de6/FLAG6cb71f4e0 [2021-11-22 23:16:40,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:16:40,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/sv-benchmarks/c/loop-invgen/nested9.i [2021-11-22 23:16:40,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/data/2247bbbb1/7da09526b66543e3aa8fa79783862de6/FLAG6cb71f4e0 [2021-11-22 23:16:40,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/data/2247bbbb1/7da09526b66543e3aa8fa79783862de6 [2021-11-22 23:16:40,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:16:40,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:16:40,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:40,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:16:40,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:16:40,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:40" (1/1) ... [2021-11-22 23:16:40,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29657a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:40, skipping insertion in model container [2021-11-22 23:16:40,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:40" (1/1) ... [2021-11-22 23:16:40,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:16:40,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:16:41,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-11-22 23:16:41,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:41,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:16:41,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-11-22 23:16:41,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:41,059 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:16:41,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41 WrapperNode [2021-11-22 23:16:41,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:41,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:41,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:16:41,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:16:41,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,094 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-11-22 23:16:41,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:41,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:16:41,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:16:41,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:16:41,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:16:41,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:16:41,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:16:41,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:16:41,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:41,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:16:41,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:16:41,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:16:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:16:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:16:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:16:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:16:41,278 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:16:41,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:16:41,468 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:16:41,490 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:16:41,490 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:16:41,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:41 BoogieIcfgContainer [2021-11-22 23:16:41,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:16:41,493 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:16:41,494 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:16:41,503 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:16:41,503 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:41" (1/1) ... [2021-11-22 23:16:41,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:16:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-22 23:16:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-22 23:16:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:16:41,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:41,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2021-11-22 23:16:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2021-11-22 23:16:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:16:42,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2021-11-22 23:16:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2021-11-22 23:16:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:16:42,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2021-11-22 23:16:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2021-11-22 23:16:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:16:42,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:16:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2021-11-22 23:16:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2021-11-22 23:16:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:16:43,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2021-11-22 23:16:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2021-11-22 23:16:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:16:43,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2021-11-22 23:16:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2021-11-22 23:16:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:16:45,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 36 states and 90 transitions. [2021-11-22 23:16:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 90 transitions. [2021-11-22 23:16:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:16:45,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2021-11-22 23:16:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2021-11-22 23:16:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:16:46,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:46,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:16:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2021-11-22 23:16:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2021-11-22 23:16:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:16:46,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:46,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2021-11-22 23:16:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2021-11-22 23:16:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:16:48,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:48,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 126 transitions. [2021-11-22 23:16:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 126 transitions. [2021-11-22 23:16:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:16:49,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:49,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:50,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 130 transitions. [2021-11-22 23:16:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 130 transitions. [2021-11-22 23:16:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:16:50,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2021-11-22 23:16:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2021-11-22 23:16:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:16:50,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 57 states and 151 transitions. [2021-11-22 23:16:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 151 transitions. [2021-11-22 23:16:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:16:52,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:52,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2021-11-22 23:16:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2021-11-22 23:16:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:16:52,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:52,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:16:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2021-11-22 23:16:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2021-11-22 23:16:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:16:53,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:16:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2021-11-22 23:16:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2021-11-22 23:16:54,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:16:54,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:16:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2021-11-22 23:16:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2021-11-22 23:16:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:16:54,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:16:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 65 states and 170 transitions. [2021-11-22 23:16:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 170 transitions. [2021-11-22 23:16:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:16:55,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:55,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:16:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 175 transitions. [2021-11-22 23:16:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2021-11-22 23:16:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:16:56,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:56,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:16:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2021-11-22 23:16:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2021-11-22 23:16:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:16:56,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:56,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 74 states and 198 transitions. [2021-11-22 23:16:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2021-11-22 23:16:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:16:58,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:58,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 75 states and 199 transitions. [2021-11-22 23:16:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 199 transitions. [2021-11-22 23:16:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:16:59,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:59,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2021-11-22 23:17:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2021-11-22 23:17:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:00,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2021-11-22 23:17:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-11-22 23:17:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:00,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2021-11-22 23:17:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2021-11-22 23:17:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:00,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2021-11-22 23:17:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2021-11-22 23:17:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:01,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 83 states and 207 transitions. [2021-11-22 23:17:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 207 transitions. [2021-11-22 23:17:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 84 states and 208 transitions. [2021-11-22 23:17:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 208 transitions. [2021-11-22 23:17:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:02,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 85 states and 208 transitions. [2021-11-22 23:17:02,777 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 208 transitions. [2021-11-22 23:17:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:02,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:17:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 93 states and 231 transitions. [2021-11-22 23:17:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 231 transitions. [2021-11-22 23:17:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:05,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:17:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 95 states and 235 transitions. [2021-11-22 23:17:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 235 transitions. [2021-11-22 23:17:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:17:06,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 100 states and 243 transitions. [2021-11-22 23:17:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 243 transitions. [2021-11-22 23:17:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:09,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-22 23:17:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 106 states and 253 transitions. [2021-11-22 23:17:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 253 transitions. [2021-11-22 23:17:11,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:11,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-22 23:17:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 108 states and 255 transitions. [2021-11-22 23:17:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 255 transitions. [2021-11-22 23:17:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:12,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-22 23:17:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 109 states and 255 transitions. [2021-11-22 23:17:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 255 transitions. [2021-11-22 23:17:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:17:12,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 114 states and 263 transitions. [2021-11-22 23:17:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 263 transitions. [2021-11-22 23:17:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:15,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:17:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 115 states and 263 transitions. [2021-11-22 23:17:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 263 transitions. [2021-11-22 23:17:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:16,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:17:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 116 states and 263 transitions. [2021-11-22 23:17:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 263 transitions. [2021-11-22 23:17:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:17:16,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:17:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 129 states and 298 transitions. [2021-11-22 23:17:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 298 transitions. [2021-11-22 23:17:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:17:23,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:17:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 133 states and 302 transitions. [2021-11-22 23:17:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 302 transitions. [2021-11-22 23:17:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:17:25,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:17:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 134 states and 302 transitions. [2021-11-22 23:17:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 302 transitions. [2021-11-22 23:17:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:17:25,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-22 23:17:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 135 states and 302 transitions. [2021-11-22 23:17:26,353 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 302 transitions. [2021-11-22 23:17:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:17:26,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:17:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 136 states and 305 transitions. [2021-11-22 23:17:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 305 transitions. [2021-11-22 23:17:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:17:26,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:17:28,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 139 states and 312 transitions. [2021-11-22 23:17:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 312 transitions. [2021-11-22 23:17:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:17:28,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:17:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 141 states and 316 transitions. [2021-11-22 23:17:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 316 transitions. [2021-11-22 23:17:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:17:29,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:17:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 142 states and 317 transitions. [2021-11-22 23:17:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 317 transitions. [2021-11-22 23:17:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:30,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-22 23:17:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 143 states and 319 transitions. [2021-11-22 23:17:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 319 transitions. [2021-11-22 23:17:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:17:30,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-22 23:17:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 146 states and 324 transitions. [2021-11-22 23:17:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 324 transitions. [2021-11-22 23:17:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:17:32,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:17:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 157 states and 344 transitions. [2021-11-22 23:17:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 344 transitions. [2021-11-22 23:17:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:17:38,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:17:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 163 states and 352 transitions. [2021-11-22 23:17:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 352 transitions. [2021-11-22 23:17:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:17:42,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:17:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 173 states and 374 transitions. [2021-11-22 23:17:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 374 transitions. [2021-11-22 23:17:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:17:48,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-22 23:17:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 174 states and 375 transitions. [2021-11-22 23:17:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 375 transitions. [2021-11-22 23:17:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:17:48,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-22 23:17:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 173 states and 379 transitions. [2021-11-22 23:17:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 379 transitions. [2021-11-22 23:17:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:17:50,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:17:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 393 transitions. [2021-11-22 23:17:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 393 transitions. [2021-11-22 23:17:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:17:55,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:17:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 182 states and 394 transitions. [2021-11-22 23:17:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 394 transitions. [2021-11-22 23:17:56,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:17:56,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:17:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 183 states and 394 transitions. [2021-11-22 23:17:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 394 transitions. [2021-11-22 23:17:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:17:57,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:18:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 190 states and 401 transitions. [2021-11-22 23:18:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 401 transitions. [2021-11-22 23:18:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:03,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:18:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 204 states and 420 transitions. [2021-11-22 23:18:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 420 transitions. [2021-11-22 23:18:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:12,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:18:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 205 states and 420 transitions. [2021-11-22 23:18:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 420 transitions. [2021-11-22 23:18:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:18:13,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-22 23:18:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 206 states and 421 transitions. [2021-11-22 23:18:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 421 transitions. [2021-11-22 23:18:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:18:13,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 223 proven. 22 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-22 23:18:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 209 states and 428 transitions. [2021-11-22 23:18:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 428 transitions. [2021-11-22 23:18:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:18:16,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 219 proven. 99 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-22 23:18:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 219 states and 444 transitions. [2021-11-22 23:18:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 444 transitions. [2021-11-22 23:18:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:18:22,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 303 proven. 35 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-22 23:18:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 229 states and 457 transitions. [2021-11-22 23:18:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 457 transitions. [2021-11-22 23:18:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:18:28,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-22 23:18:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 99 states and 209 transitions. [2021-11-22 23:18:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 209 transitions. [2021-11-22 23:18:32,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:18:32,664 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2021-11-22 23:18:32,672 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:18:33,247 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-22 23:18:33,259 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-22 23:18:33,260 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-22 23:18:33,261 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:33,262 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:33,262 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:33,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:18:33 ImpRootNode [2021-11-22 23:18:33,262 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:18:33,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:18:33,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:18:33,263 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:18:33,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:41" (3/4) ... [2021-11-22 23:18:33,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:18:33,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-22 23:18:33,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-22 23:18:33,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 23:18:33,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:18:33,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:18:33,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:18:33,326 INFO L158 Benchmark]: Toolchain (without parser) took 112525.95ms. Allocated memory was 115.3MB in the beginning and 861.9MB in the end (delta: 746.6MB). Free memory was 85.8MB in the beginning and 700.8MB in the end (delta: -615.1MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,326 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:33,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.54ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 88.4MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.51ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,328 INFO L158 Benchmark]: Boogie Preprocessor took 20.01ms. Allocated memory is still 115.3MB. Free memory was 87.0MB in the beginning and 85.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,328 INFO L158 Benchmark]: RCFGBuilder took 376.70ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 75.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,329 INFO L158 Benchmark]: CodeCheck took 111768.98ms. Allocated memory was 115.3MB in the beginning and 861.9MB in the end (delta: 746.6MB). Free memory was 75.1MB in the beginning and 704.0MB in the end (delta: -628.9MB). Peak memory consumption was 580.8MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,330 INFO L158 Benchmark]: Witness Printer took 62.33ms. Allocated memory is still 861.9MB. Free memory was 704.0MB in the beginning and 700.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:33,332 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: 111.1s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12828 SdHoareTripleChecker+Valid, 87.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11220 mSDsluCounter, 520 SdHoareTripleChecker+Invalid, 71.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 17439 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58399 IncrementalHoareTripleChecker+Invalid, 75838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17439 mSolverCounterUnsat, 520 mSDtfsCounter, 58399 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20859 GetRequests, 19055 SyntacticMatches, 866 SemanticMatches, 938 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448198 ImplicationChecksByTransitivity, 104.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 1911 NumberOfCodeBlocks, 1911 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1846 ConstructedInterpolants, 0 QuantifiedInterpolants, 7276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 4 PerfectInterpolantSequences, 3328/4833 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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: 36]: Loop Invariant Derived loop invariant: ((((i == 0 && i + 1 <= n) && j < k + 1) || (3 * i <= j + 1 && j < k + 1)) || (3 * i <= j + 1 && j + 1 <= 2 * n + i)) || ((2 * i <= j && j + 1 < 3 * i) && i + 1 <= n) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((i == 0 && i + 1 <= n) || 3 * i <= j) || (2 * i <= j && i + 1 <= n) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((3 * i <= j + 1 && j + 1 <= 2 * n + i) || (((i == 0 && k == 0) && i + 1 <= n) && j + 1 <= 2 * n + i)) || ((2 * i <= j && j + 1 < 3 * i) && i + 1 <= n) - 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 0.20ms. Allocated memory is still 115.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.54ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 88.4MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.51ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.01ms. Allocated memory is still 115.3MB. Free memory was 87.0MB in the beginning and 85.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.70ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 75.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 111768.98ms. Allocated memory was 115.3MB in the beginning and 861.9MB in the end (delta: 746.6MB). Free memory was 75.1MB in the beginning and 704.0MB in the end (delta: -628.9MB). Peak memory consumption was 580.8MB. Max. memory is 16.1GB. * Witness Printer took 62.33ms. Allocated memory is still 861.9MB. Free memory was 704.0MB in the beginning and 700.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:18:33,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c8b5cf-01e7-44f1-8337-3a93ba1879e5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE