./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4 --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 5b769442af2d950aaf4b68e467259bd2e1d98c5d8ca4dcdd5a740ef956112baf --- 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-2329fc7 [2022-12-15 01:22:15,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:22:15,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:22:15,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:22:15,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:22:15,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:22:15,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:22:15,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:22:15,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:22:15,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:22:15,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:22:15,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:22:15,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:22:15,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:22:15,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:22:15,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:22:15,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:22:15,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:22:15,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:22:15,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:22:15,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:22:15,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:22:15,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:22:15,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:22:15,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:22:15,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:22:15,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:22:15,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:22:15,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:22:15,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:22:15,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:22:15,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:22:15,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:22:15,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:22:15,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:22:15,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:22:15,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:22:15,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:22:15,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:22:15,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:22:15,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:22:15,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:22:15,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:22:15,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:22:15,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:22:15,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:22:15,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:22:15,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:22:15,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:22:15,356 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:22:15,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:22:15,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:22:15,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:22:15,357 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:22:15,358 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:22:15,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:22:15,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:22:15,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:22:15,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:22:15,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:22:15,358 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:22:15,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:22:15,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:22:15,359 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_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b769442af2d950aaf4b68e467259bd2e1d98c5d8ca4dcdd5a740ef956112baf [2022-12-15 01:22:15,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:22:15,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:22:15,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:22:15,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:22:15,539 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:22:15,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2022-12-15 01:22:18,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:22:18,260 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:22:18,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2022-12-15 01:22:18,270 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/data/b0dd3c6d7/203a526ac8314c6fbf9c49c48fae5fc0/FLAG53fcdb9fd [2022-12-15 01:22:18,285 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/data/b0dd3c6d7/203a526ac8314c6fbf9c49c48fae5fc0 [2022-12-15 01:22:18,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:22:18,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:22:18,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:22:18,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:22:18,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:22:18,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614e1e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18, skipping insertion in model container [2022-12-15 01:22:18,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:22:18,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:22:18,499 WARN L237 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_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/sv-benchmarks/c/eca-rers2012/Problem14_label19.c[6323,6336] [2022-12-15 01:22:18,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:22:18,658 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:22:18,682 WARN L237 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_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/sv-benchmarks/c/eca-rers2012/Problem14_label19.c[6323,6336] [2022-12-15 01:22:18,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:22:18,777 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:22:18,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18 WrapperNode [2022-12-15 01:22:18,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:22:18,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:22:18,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:22:18,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:22:18,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,854 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-15 01:22:18,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:22:18,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:22:18,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:22:18,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:22:18,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:22:18,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:22:18,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:22:18,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:22:18,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:22:18" (1/1) ... [2022-12-15 01:22:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:22:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:22:18,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:22:18,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:22:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:22:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:22:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:22:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:22:19,039 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:22:19,041 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:22:19,948 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:22:22,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:22:22,321 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:22:22,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:22:22 BoogieIcfgContainer [2022-12-15 01:22:22,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:22:22,324 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:22:22,324 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:22:22,331 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:22:22,332 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:22:22" (1/1) ... [2022-12-15 01:22:22,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:22:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:22:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:22:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:22:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:22:22,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:22:22,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:22:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:22:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:22:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:22:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-12-15 01:22:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-12-15 01:22:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:22:22,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:22:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:22:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:22:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:22:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:22:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2022-12-15 01:22:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2022-12-15 01:22:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:22:38,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:22:38,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:22:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:23:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2022-12-15 01:23:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2022-12-15 01:23:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:23:14,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:14,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:23:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2022-12-15 01:23:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-12-15 01:23:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:23:48,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:24:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2022-12-15 01:24:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-12-15 01:24:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:24:49,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:25:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2022-12-15 01:25:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2022-12-15 01:25:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:25:51,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:51,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2022-12-15 01:26:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2022-12-15 01:26:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:26:52,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:52,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 01:27:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2022-12-15 01:27:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2022-12-15 01:27:17,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:27:17,538 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 01:27:17,544 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:27:17,818 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-12-15 01:27:17,827 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:27:17,827 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-12-15 01:27:17,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:27:17 ImpRootNode [2022-12-15 01:27:17,829 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:27:17,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:27:17,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:27:17,829 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:27:17,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:22:22" (3/4) ... [2022-12-15 01:27:17,832 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:27:17,852 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2022-12-15 01:27:17,853 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-15 01:27:17,854 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:27:17,856 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:27:17,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:27:17,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:27:17,948 INFO L158 Benchmark]: Toolchain (without parser) took 299659.78ms. Allocated memory was 146.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 114.2MB in the beginning and 823.1MB in the end (delta: -708.8MB). Peak memory consumption was 828.5MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,948 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:27:17,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.15ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 81.4MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.44ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 71.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,949 INFO L158 Benchmark]: Boogie Preprocessor took 58.77ms. Allocated memory is still 146.8MB. Free memory was 71.6MB in the beginning and 65.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,950 INFO L158 Benchmark]: RCFGBuilder took 3408.67ms. Allocated memory was 146.8MB in the beginning and 494.9MB in the end (delta: 348.1MB). Free memory was 65.8MB in the beginning and 273.2MB in the end (delta: -207.4MB). Peak memory consumption was 157.9MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,950 INFO L158 Benchmark]: CodeCheck took 295504.41ms. Allocated memory was 494.9MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 273.2MB in the beginning and 836.7MB in the end (delta: -563.6MB). Peak memory consumption was 622.4MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,950 INFO L158 Benchmark]: Witness Printer took 118.54ms. Allocated memory is still 1.7GB. Free memory was 836.7MB in the beginning and 823.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:27:17,951 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 295.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 397 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 339 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1007 IncrementalHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 128 mSDtfsCounter, 1007 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1116 GetRequests, 975 SyntacticMatches, 39 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5333 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 289.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 36/122 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: 200]: 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: 30]: Loop Invariant Derived loop invariant: (((!(a24 == 1) || 0 <= a12 + 42) || !(a21 == 6)) || a15 <= 5) || 6 < a15 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((7 <= a15 || !(a24 == 1)) || 0 <= a12 + 42) || !(a21 == 6)) || a15 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.15ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 81.4MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.44ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 71.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.77ms. Allocated memory is still 146.8MB. Free memory was 71.6MB in the beginning and 65.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3408.67ms. Allocated memory was 146.8MB in the beginning and 494.9MB in the end (delta: 348.1MB). Free memory was 65.8MB in the beginning and 273.2MB in the end (delta: -207.4MB). Peak memory consumption was 157.9MB. Max. memory is 16.1GB. * CodeCheck took 295504.41ms. Allocated memory was 494.9MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 273.2MB in the beginning and 836.7MB in the end (delta: -563.6MB). Peak memory consumption was 622.4MB. Max. memory is 16.1GB. * Witness Printer took 118.54ms. Allocated memory is still 1.7GB. Free memory was 836.7MB in the beginning and 823.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:27:17,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e23da8-f2b9-4db1-9f3c-5c3e0def05fb/bin/ukojak-rkRKPMF4O4/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