./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB --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 dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:42:36,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:36,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:36,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:36,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:36,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:36,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:36,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:36,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:36,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:36,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:36,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:36,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:36,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:36,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:36,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:36,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:36,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:36,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:36,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:36,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:36,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:36,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:36,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:36,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:36,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:36,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:36,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:36,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:36,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:36,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:36,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:36,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:36,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:36,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:36,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:36,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:36,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:36,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:36,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:36,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:36,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:36,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:36,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:36,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:36,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:36,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:36,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:36,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:36,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:36,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:36,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:36,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:36,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:36,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:36,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:36,452 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:36,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:36,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:36,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:36,453 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:36,453 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:36,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:36,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:36,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:36,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:36,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:36,471 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:36,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:36,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:36,474 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_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 [2022-10-17 16:42:36,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:36,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:36,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:36,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:36,816 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:36,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2022-10-17 16:42:36,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/data/47922437b/9ab7f376562344bebaf86c009ea2fe1f/FLAGab2213054 [2022-10-17 16:42:37,501 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:37,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2022-10-17 16:42:37,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/data/47922437b/9ab7f376562344bebaf86c009ea2fe1f/FLAGab2213054 [2022-10-17 16:42:37,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/data/47922437b/9ab7f376562344bebaf86c009ea2fe1f [2022-10-17 16:42:37,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:37,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:37,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:37,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:37,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:37,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:37" (1/1) ... [2022-10-17 16:42:37,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3282fa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:37, skipping insertion in model container [2022-10-17 16:42:37,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:37" (1/1) ... [2022-10-17 16:42:37,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:37,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:38,273 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_25ebf04e-24a4-4480-8b18-de7c48530533/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2022-10-17 16:42:38,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:38,357 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:38,493 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_25ebf04e-24a4-4480-8b18-de7c48530533/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2022-10-17 16:42:38,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:38,528 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:38,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38 WrapperNode [2022-10-17 16:42:38,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:38,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:38,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:38,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:38,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,624 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-10-17 16:42:38,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:38,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:38,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:38,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:38,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:38,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:38,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:38,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:38,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:38,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:38,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:38,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:38,926 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:38,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:40,132 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:40,463 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:40,463 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:42:40,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:40 BoogieIcfgContainer [2022-10-17 16:42:40,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:40,469 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:40,469 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:40,479 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:40,480 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:40" (1/1) ... [2022-10-17 16:42:40,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-10-17 16:42:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-10-17 16:42:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:42:40,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:40,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-10-17 16:42:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-10-17 16:42:41,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 16:42:41,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:41,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2022-10-17 16:42:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2022-10-17 16:42:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:42:42,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:42,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:43,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2022-10-17 16:42:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2022-10-17 16:42:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:42:43,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2022-10-17 16:42:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2022-10-17 16:42:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:42:43,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2022-10-17 16:42:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2022-10-17 16:42:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:42:43,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2022-10-17 16:42:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2022-10-17 16:42:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 16:42:43,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:43,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2022-10-17 16:42:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2022-10-17 16:42:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-17 16:42:44,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:44,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2022-10-17 16:42:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2022-10-17 16:42:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-17 16:42:44,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2022-10-17 16:42:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2022-10-17 16:42:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 16:42:45,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:45,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2022-10-17 16:42:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2022-10-17 16:42:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:42:45,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:45,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:42:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2022-10-17 16:42:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2022-10-17 16:42:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:42:46,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:46,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:42:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2022-10-17 16:42:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2022-10-17 16:42:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 16:42:46,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:46,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:42:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2022-10-17 16:42:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2022-10-17 16:42:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 16:42:46,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:46,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2022-10-17 16:42:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2022-10-17 16:42:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-17 16:42:47,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:47,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:42:47,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 445 states and 570 transitions. [2022-10-17 16:42:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 570 transitions. [2022-10-17 16:42:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 16:42:47,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 524 states and 654 transitions. [2022-10-17 16:42:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 654 transitions. [2022-10-17 16:42:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:42:48,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:48,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:42:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 548 states and 683 transitions. [2022-10-17 16:42:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 683 transitions. [2022-10-17 16:42:48,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 16:42:48,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:42:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 584 states and 722 transitions. [2022-10-17 16:42:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 722 transitions. [2022-10-17 16:42:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-17 16:42:49,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:49,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 631 states and 780 transitions. [2022-10-17 16:42:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 780 transitions. [2022-10-17 16:42:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-17 16:42:50,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 661 states and 813 transitions. [2022-10-17 16:42:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 813 transitions. [2022-10-17 16:42:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:42:51,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:42:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2022-10-17 16:42:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2022-10-17 16:42:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 16:42:52,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:52,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:42:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 746 states and 910 transitions. [2022-10-17 16:42:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 910 transitions. [2022-10-17 16:42:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 16:42:53,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:42:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 756 states and 919 transitions. [2022-10-17 16:42:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 919 transitions. [2022-10-17 16:42:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:42:53,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 825 states and 994 transitions. [2022-10-17 16:42:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 994 transitions. [2022-10-17 16:42:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:42:55,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:57,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 972 states and 1147 transitions. [2022-10-17 16:42:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1147 transitions. [2022-10-17 16:42:57,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:42:57,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:57,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-10-17 16:42:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 974 states and 1152 transitions. [2022-10-17 16:42:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1152 transitions. [2022-10-17 16:42:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 16:42:58,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:42:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 975 states and 1152 transitions. [2022-10-17 16:42:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1152 transitions. [2022-10-17 16:42:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-17 16:42:58,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:42:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 976 states and 1152 transitions. [2022-10-17 16:42:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1152 transitions. [2022-10-17 16:42:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-17 16:42:58,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:42:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 895 states and 1058 transitions. [2022-10-17 16:42:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1058 transitions. [2022-10-17 16:42:59,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:42:59,260 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2022-10-17 16:42:59,271 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:43:03,055 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-10-17 16:43:03,073 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-10-17 16:43:03,077 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:43:03,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:43:03 ImpRootNode [2022-10-17 16:43:03,079 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:43:03,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:43:03,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:43:03,081 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:43:03,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:40" (3/4) ... [2022-10-17 16:43:03,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:43:03,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-10-17 16:43:03,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 16:43:03,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-10-17 16:43:03,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:43:03,284 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:43:03,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:43:03,285 INFO L158 Benchmark]: Toolchain (without parser) took 25526.75ms. Allocated memory was 111.1MB in the beginning and 394.3MB in the end (delta: 283.1MB). Free memory was 65.8MB in the beginning and 204.6MB in the end (delta: -138.8MB). Peak memory consumption was 145.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,285 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:03,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.07ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 68.9MB in the end (delta: -3.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.90ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 63.6MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,286 INFO L158 Benchmark]: Boogie Preprocessor took 71.73ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 59.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,287 INFO L158 Benchmark]: RCFGBuilder took 1769.57ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 59.1MB in the beginning and 101.1MB in the end (delta: -42.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,287 INFO L158 Benchmark]: CodeCheck took 22610.41ms. Allocated memory was 146.8MB in the beginning and 394.3MB in the end (delta: 247.5MB). Free memory was 101.1MB in the beginning and 215.0MB in the end (delta: -113.9MB). Peak memory consumption was 221.5MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,288 INFO L158 Benchmark]: Witness Printer took 203.52ms. Allocated memory is still 394.3MB. Free memory was 215.0MB in the beginning and 204.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:43:03,290 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: 18.8s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27744 SdHoareTripleChecker+Valid, 87.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27491 mSDsluCounter, 4443 SdHoareTripleChecker+Invalid, 71.3s 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, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27757 GetRequests, 27517 SyntacticMatches, 58 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15814 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s 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: 500]: 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 0.34ms. Allocated memory is still 111.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.07ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 68.9MB in the end (delta: -3.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.90ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 63.6MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.73ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 59.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1769.57ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 59.1MB in the beginning and 101.1MB in the end (delta: -42.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * CodeCheck took 22610.41ms. Allocated memory was 146.8MB in the beginning and 394.3MB in the end (delta: 247.5MB). Free memory was 101.1MB in the beginning and 215.0MB in the end (delta: -113.9MB). Peak memory consumption was 221.5MB. Max. memory is 16.1GB. * Witness Printer took 203.52ms. Allocated memory is still 394.3MB. Free memory was 215.0MB in the beginning and 204.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:43:03,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebf04e-24a4-4480-8b18-de7c48530533/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE