./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c --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_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/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_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/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_452179f9-26ac-4a57-b0be-d1b9cf442496/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 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:18:32,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:18:32,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:18:32,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:18:32,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:18:32,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:18:32,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:18:32,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:18:32,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:18:32,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:18:32,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:18:32,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:18:32,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:18:32,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:18:32,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:18:32,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:18:32,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:18:32,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:18:32,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:18:32,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:18:32,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:18:32,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:18:32,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:18:32,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:18:32,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:18:32,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:18:32,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:18:32,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:18:32,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:18:32,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:18:32,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:18:32,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:18:32,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:18:32,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:18:32,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:18:32,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:18:32,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:18:32,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:18:32,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:18:32,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:18:32,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:18:32,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:18:32,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:18:32,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:18:32,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:18:32,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:18:32,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:18:32,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:18:32,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:18:32,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:18:32,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:18:32,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:18:32,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:18:32,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:18:32,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:18:32,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:18:32,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:18:32,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:18:32,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:18:32,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:18:32,545 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:18:32,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:18:32,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:18:32,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:32,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:18:32,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:18:32,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:18:32,547 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:18:32,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:18:32,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:18:32,548 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_452179f9-26ac-4a57-b0be-d1b9cf442496/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2021-11-23 01:18:32,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:18:32,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:18:32,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:18:32,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:18:32,860 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:18:32,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:18:32,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/data/ab6fba813/0348280baad94c1bb969aea3710057ef/FLAGb04a17c62 [2021-11-23 01:18:33,454 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:18:33,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:18:33,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/data/ab6fba813/0348280baad94c1bb969aea3710057ef/FLAGb04a17c62 [2021-11-23 01:18:33,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/data/ab6fba813/0348280baad94c1bb969aea3710057ef [2021-11-23 01:18:33,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:18:33,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:18:33,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:33,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:18:33,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:18:33,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:33" (1/1) ... [2021-11-23 01:18:33,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2482928e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:33, skipping insertion in model container [2021-11-23 01:18:33,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:33" (1/1) ... [2021-11-23 01:18:33,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:18:33,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:18:34,102 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_452179f9-26ac-4a57-b0be-d1b9cf442496/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-23 01:18:34,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:34,115 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:18:34,190 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_452179f9-26ac-4a57-b0be-d1b9cf442496/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2021-11-23 01:18:34,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:34,207 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:18:34,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34 WrapperNode [2021-11-23 01:18:34,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:34,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:34,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:18:34,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:18:34,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,302 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 473 [2021-11-23 01:18:34,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:34,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:18:34,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:18:34,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:18:34,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:18:34,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:18:34,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:18:34,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:18:34,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:34" (1/1) ... [2021-11-23 01:18:34,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:34,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:18:34,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:18:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452179f9-26ac-4a57-b0be-d1b9cf442496/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:18:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:18:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:18:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:18:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:18:34,600 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:18:34,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:18:35,208 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:18:35,773 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:18:35,774 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:18:35,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:35 BoogieIcfgContainer [2021-11-23 01:18:35,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:18:35,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:18:35,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:18:35,788 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:18:35,790 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:35" (1/1) ... [2021-11-23 01:18:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:18:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:18:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:18:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:18:35,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-23 01:18:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-23 01:18:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:18:36,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-23 01:18:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-23 01:18:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:18:37,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-23 01:18:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-23 01:18:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:38,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-23 01:18:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-23 01:18:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:18:39,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2021-11-23 01:18:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2021-11-23 01:18:40,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:18:40,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-23 01:18:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-23 01:18:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:18:42,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:42,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2021-11-23 01:18:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2021-11-23 01:18:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:18:42,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2021-11-23 01:18:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2021-11-23 01:18:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:18:42,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2021-11-23 01:18:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2021-11-23 01:18:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:18:44,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 105 transitions. [2021-11-23 01:18:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 105 transitions. [2021-11-23 01:18:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:45,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 76 states and 141 transitions. [2021-11-23 01:18:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 141 transitions. [2021-11-23 01:18:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:49,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 175 transitions. [2021-11-23 01:18:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 175 transitions. [2021-11-23 01:18:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:53,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 94 states and 178 transitions. [2021-11-23 01:18:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 178 transitions. [2021-11-23 01:18:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:54,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 196 transitions. [2021-11-23 01:18:57,687 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 196 transitions. [2021-11-23 01:18:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:57,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2021-11-23 01:18:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 01:18:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:18:58,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:58,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2021-11-23 01:19:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2021-11-23 01:19:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:04,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:05,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2021-11-23 01:19:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2021-11-23 01:19:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:05,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 122 states and 240 transitions. [2021-11-23 01:19:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 240 transitions. [2021-11-23 01:19:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:06,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 142 states and 276 transitions. [2021-11-23 01:19:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 276 transitions. [2021-11-23 01:19:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:14,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 144 states and 284 transitions. [2021-11-23 01:19:15,847 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 284 transitions. [2021-11-23 01:19:15,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:15,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 146 states and 287 transitions. [2021-11-23 01:19:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 287 transitions. [2021-11-23 01:19:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:17,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 147 states and 288 transitions. [2021-11-23 01:19:18,160 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 288 transitions. [2021-11-23 01:19:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:18,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 149 states and 293 transitions. [2021-11-23 01:19:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 293 transitions. [2021-11-23 01:19:19,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:19,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 150 states and 295 transitions. [2021-11-23 01:19:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 295 transitions. [2021-11-23 01:19:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:19:20,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 164 states and 321 transitions. [2021-11-23 01:19:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 321 transitions. [2021-11-23 01:19:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:19:26,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:26,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 167 states and 327 transitions. [2021-11-23 01:19:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 327 transitions. [2021-11-23 01:19:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:27,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:27,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 179 states and 350 transitions. [2021-11-23 01:19:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 350 transitions. [2021-11-23 01:19:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:19:35,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:19:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 179 states and 349 transitions. [2021-11-23 01:19:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 349 transitions. [2021-11-23 01:19:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:19:36,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 193 states and 394 transitions. [2021-11-23 01:19:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 394 transitions. [2021-11-23 01:19:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:19:44,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 197 states and 399 transitions. [2021-11-23 01:19:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 399 transitions. [2021-11-23 01:19:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:46,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:54,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 208 states and 419 transitions. [2021-11-23 01:19:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 419 transitions. [2021-11-23 01:19:54,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:54,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:54,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 213 states and 430 transitions. [2021-11-23 01:19:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 430 transitions. [2021-11-23 01:19:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:19:57,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:57,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 223 states and 449 transitions. [2021-11-23 01:20:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 449 transitions. [2021-11-23 01:20:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:20:04,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:04,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 227 states and 457 transitions. [2021-11-23 01:20:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 457 transitions. [2021-11-23 01:20:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:20:05,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:05,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 229 states and 463 transitions. [2021-11-23 01:20:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 463 transitions. [2021-11-23 01:20:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:07,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:07,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 239 states and 488 transitions. [2021-11-23 01:20:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 488 transitions. [2021-11-23 01:20:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:15,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:15,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 244 states and 497 transitions. [2021-11-23 01:20:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 497 transitions. [2021-11-23 01:20:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:18,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:18,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 245 states and 498 transitions. [2021-11-23 01:20:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 498 transitions. [2021-11-23 01:20:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:20,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:20,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 246 states and 502 transitions. [2021-11-23 01:20:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 502 transitions. [2021-11-23 01:20:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:21,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:21,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 247 states and 504 transitions. [2021-11-23 01:20:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 504 transitions. [2021-11-23 01:20:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:22,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:22,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 253 states and 523 transitions. [2021-11-23 01:20:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 523 transitions. [2021-11-23 01:20:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:29,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 254 states and 532 transitions. [2021-11-23 01:20:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 532 transitions. [2021-11-23 01:20:32,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:32,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 255 states and 534 transitions. [2021-11-23 01:20:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 534 transitions. [2021-11-23 01:20:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:33,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:33,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 256 states and 537 transitions. [2021-11-23 01:20:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 537 transitions. [2021-11-23 01:20:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:20:35,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 273 states and 582 transitions. [2021-11-23 01:20:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 582 transitions. [2021-11-23 01:20:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:20:51,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:51,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 282 states and 613 transitions. [2021-11-23 01:20:57,687 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 613 transitions. [2021-11-23 01:20:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:20:57,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:57,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:59,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 283 states and 616 transitions. [2021-11-23 01:20:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 616 transitions. [2021-11-23 01:20:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:20:59,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:59,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 285 states and 621 transitions. [2021-11-23 01:21:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 621 transitions. [2021-11-23 01:21:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:21:01,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 287 states and 624 transitions. [2021-11-23 01:21:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 624 transitions. [2021-11-23 01:21:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:21:03,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:03,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 290 states and 633 transitions. [2021-11-23 01:21:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 633 transitions. [2021-11-23 01:21:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:21:06,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:06,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:21:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 290 states and 632 transitions. [2021-11-23 01:21:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 632 transitions. [2021-11-23 01:21:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:06,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 293 states and 641 transitions. [2021-11-23 01:21:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 641 transitions. [2021-11-23 01:21:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:11,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:11,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 298 states and 657 transitions. [2021-11-23 01:21:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 657 transitions. [2021-11-23 01:21:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:16,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 300 states and 660 transitions. [2021-11-23 01:21:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 660 transitions. [2021-11-23 01:21:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:18,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:18,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 301 states and 662 transitions. [2021-11-23 01:21:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 662 transitions. [2021-11-23 01:21:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:20,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:20,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:23,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 305 states and 678 transitions. [2021-11-23 01:21:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 678 transitions. [2021-11-23 01:21:23,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:23,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:23,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 307 states and 679 transitions. [2021-11-23 01:21:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 679 transitions. [2021-11-23 01:21:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:25,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:25,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 310 states and 690 transitions. [2021-11-23 01:21:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 690 transitions. [2021-11-23 01:21:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:28,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:28,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 311 states and 691 transitions. [2021-11-23 01:21:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 691 transitions. [2021-11-23 01:21:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:29,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:29,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 312 states and 691 transitions. [2021-11-23 01:21:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 691 transitions. [2021-11-23 01:21:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:21:31,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:31,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat