./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.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_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/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_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/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_7fcc692b-0a80-4d1e-ae85-baf0216e2928/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 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:06:43,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:06:43,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:06:43,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:06:43,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:06:43,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:06:43,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:06:43,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:06:43,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:06:43,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:06:43,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:06:43,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:06:43,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:06:43,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:06:43,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:06:43,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:06:43,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:06:43,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:06:43,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:06:43,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:06:43,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:06:43,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:06:43,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:06:43,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:06:43,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:06:43,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:06:43,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:06:43,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:06:43,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:06:43,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:06:43,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:06:43,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:06:43,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:06:43,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:06:43,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:06:43,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:06:43,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:06:43,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:06:43,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:06:43,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:06:43,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:06:43,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:06:43,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:06:43,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:06:43,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:06:43,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:06:43,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:06:43,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:06:43,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:06:43,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:06:43,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:06:43,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:06:43,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:06:43,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:06:43,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:06:43,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:06:43,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:06:43,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:06:43,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:06:43,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:06:43,522 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:06:43,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:06:43,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:06:43,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:43,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:06:43,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:06:43,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:06:43,524 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:06:43,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:06:43,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:06:43,525 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_7fcc692b-0a80-4d1e-ae85-baf0216e2928/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd [2021-11-23 01:06:43,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:06:43,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:06:43,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:06:43,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:06:43,860 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:06:43,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2021-11-23 01:06:43,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/data/e52ba6b65/240e7bf0e11f4dcf9f26fd70648a13e8/FLAG4d2312a1f [2021-11-23 01:06:44,588 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:06:44,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2021-11-23 01:06:44,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/data/e52ba6b65/240e7bf0e11f4dcf9f26fd70648a13e8/FLAG4d2312a1f [2021-11-23 01:06:44,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/data/e52ba6b65/240e7bf0e11f4dcf9f26fd70648a13e8 [2021-11-23 01:06:44,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:06:44,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:06:44,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:44,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:06:44,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:06:44,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795f9d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44, skipping insertion in model container [2021-11-23 01:06:44,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:06:44,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:06:45,347 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_7fcc692b-0a80-4d1e-ae85-baf0216e2928/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2021-11-23 01:06:45,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:45,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:06:45,442 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_7fcc692b-0a80-4d1e-ae85-baf0216e2928/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2021-11-23 01:06:45,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:45,466 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:06:45,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45 WrapperNode [2021-11-23 01:06:45,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:45,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:45,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:06:45,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:06:45,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,569 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-23 01:06:45,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:45,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:06:45,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:06:45,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:06:45,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:06:45,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:06:45,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:06:45,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:06:45,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:45" (1/1) ... [2021-11-23 01:06:45,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:45,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:06:45,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:06:45,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:06:45,858 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:06:45,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:06:46,777 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:06:47,037 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:06:47,038 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:06:47,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:47 BoogieIcfgContainer [2021-11-23 01:06:47,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:06:47,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:06:47,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:06:47,055 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:06:47,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:47" (1/1) ... [2021-11-23 01:06:47,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:06:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2021-11-23 01:06:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2021-11-23 01:06:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:06:47,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:47,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,574 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 01:06:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2021-11-23 01:06:48,149 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2021-11-23 01:06:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:06:48,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:48,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2021-11-23 01:06:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2021-11-23 01:06:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:06:49,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2021-11-23 01:06:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2021-11-23 01:06:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:06:49,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2021-11-23 01:06:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2021-11-23 01:06:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:06:49,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2021-11-23 01:06:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2021-11-23 01:06:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:06:49,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2021-11-23 01:06:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2021-11-23 01:06:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:06:49,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2021-11-23 01:06:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2021-11-23 01:06:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 01:06:49,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2021-11-23 01:06:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2021-11-23 01:06:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:06:50,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2021-11-23 01:06:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2021-11-23 01:06:50,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:06:50,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:51,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2021-11-23 01:06:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2021-11-23 01:06:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:06:51,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:06:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2021-11-23 01:06:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2021-11-23 01:06:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:06:51,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:06:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2021-11-23 01:06:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2021-11-23 01:06:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:06:51,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:06:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2021-11-23 01:06:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2021-11-23 01:06:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:06:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:06:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2021-11-23 01:06:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2021-11-23 01:06:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:06:51,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:06:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 445 states and 570 transitions. [2021-11-23 01:06:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 570 transitions. [2021-11-23 01:06:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 01:06:52,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:52,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 524 states and 654 transitions. [2021-11-23 01:06:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 654 transitions. [2021-11-23 01:06:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:06:52,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:52,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:06:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 548 states and 683 transitions. [2021-11-23 01:06:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 683 transitions. [2021-11-23 01:06:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:06:53,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:06:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 584 states and 722 transitions. [2021-11-23 01:06:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 722 transitions. [2021-11-23 01:06:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:06:53,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 631 states and 780 transitions. [2021-11-23 01:06:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 780 transitions. [2021-11-23 01:06:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 01:06:54,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:54,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:06:55,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 661 states and 813 transitions. [2021-11-23 01:06:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 813 transitions. [2021-11-23 01:06:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:06:55,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:06:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2021-11-23 01:06:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2021-11-23 01:06:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 01:06:55,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:06:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 746 states and 910 transitions. [2021-11-23 01:06:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 910 transitions. [2021-11-23 01:06:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 01:06:56,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:06:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 756 states and 919 transitions. [2021-11-23 01:06:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 919 transitions. [2021-11-23 01:06:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:06:56,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 825 states and 994 transitions. [2021-11-23 01:06:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 994 transitions. [2021-11-23 01:06:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:06:57,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:57,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 972 states and 1147 transitions. [2021-11-23 01:07:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1147 transitions. [2021-11-23 01:07:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 01:07:00,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 01:07:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 974 states and 1152 transitions. [2021-11-23 01:07:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1152 transitions. [2021-11-23 01:07:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 01:07:00,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:07:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 975 states and 1152 transitions. [2021-11-23 01:07:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1152 transitions. [2021-11-23 01:07:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:07:00,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:07:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 976 states and 1152 transitions. [2021-11-23 01:07:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1152 transitions. [2021-11-23 01:07:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 01:07:00,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:07:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 895 states and 1058 transitions. [2021-11-23 01:07:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1058 transitions. [2021-11-23 01:07:00,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:07:00,831 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2021-11-23 01:07:00,841 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:07:04,979 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:07:04,999 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:07:05,000 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:07:05,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:07:05 ImpRootNode [2021-11-23 01:07:05,000 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:07:05,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:07:05,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:07:05,001 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:07:05,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:47" (3/4) ... [2021-11-23 01:07:05,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:07:05,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2021-11-23 01:07:05,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-23 01:07:05,030 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 01:07:05,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:07:05,209 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:07:05,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:07:05,211 INFO L158 Benchmark]: Toolchain (without parser) took 20353.91ms. Allocated memory was 88.1MB in the beginning and 161.5MB in the end (delta: 73.4MB). Free memory was 53.3MB in the beginning and 41.6MB in the end (delta: 11.7MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,211 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:05,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.07ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 48.1MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.58ms. Allocated memory is still 88.1MB. Free memory was 47.8MB in the beginning and 42.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,212 INFO L158 Benchmark]: Boogie Preprocessor took 91.57ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 42.4MB in the beginning and 86.7MB in the end (delta: -44.3MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,213 INFO L158 Benchmark]: RCFGBuilder took 1380.47ms. Allocated memory is still 113.2MB. Free memory was 86.6MB in the beginning and 54.4MB in the end (delta: 32.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,213 INFO L158 Benchmark]: CodeCheck took 17955.90ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 54.4MB in the beginning and 57.3MB in the end (delta: -2.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,214 INFO L158 Benchmark]: Witness Printer took 208.73ms. Allocated memory is still 161.5MB. Free memory was 57.3MB in the beginning and 41.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:07:05,216 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 30, 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, 27744 SdHoareTripleChecker+Valid, 74.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27491 mSDsluCounter, 4443 SdHoareTripleChecker+Invalid, 60.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3704 mSDsCounter, 12454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65555 IncrementalHoareTripleChecker+Invalid, 78009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12454 mSolverCounterUnsat, 739 mSDtfsCounter, 65555 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27757 GetRequests, 27222 SyntacticMatches, 353 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15814 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3733 NumberOfCodeBlocks, 3733 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3704 ConstructedInterpolants, 0 QuantifiedInterpolants, 10121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 26 PerfectInterpolantSequences, 1656/1685 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: 533]: 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: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.07ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 48.1MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.58ms. Allocated memory is still 88.1MB. Free memory was 47.8MB in the beginning and 42.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.57ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 42.4MB in the beginning and 86.7MB in the end (delta: -44.3MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1380.47ms. Allocated memory is still 113.2MB. Free memory was 86.6MB in the beginning and 54.4MB in the end (delta: 32.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * CodeCheck took 17955.90ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 54.4MB in the beginning and 57.3MB in the end (delta: -2.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Witness Printer took 208.73ms. Allocated memory is still 161.5MB. Free memory was 57.3MB in the beginning and 41.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:07:05,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fcc692b-0a80-4d1e-ae85-baf0216e2928/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