./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.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_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/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_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/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_15ae6b97-2d71-4223-9913-6e72c4bfccb0/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 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 --- 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 03:15:51,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:15:51,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:15:51,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:15:51,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:15:51,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:15:51,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:15:51,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:15:51,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:15:51,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:15:51,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:15:51,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:15:51,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:15:51,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:15:51,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:15:51,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:15:51,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:15:51,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:15:51,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:15:51,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:15:51,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:15:51,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:15:51,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:15:51,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:15:51,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:15:51,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:15:51,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:15:51,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:15:51,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:15:51,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:15:51,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:15:51,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:15:51,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:15:51,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:15:51,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:15:51,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:15:51,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:15:51,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:15:51,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:15:51,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:15:51,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:15:51,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:15:51,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:15:51,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:15:51,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:15:51,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:15:51,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:15:51,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:15:51,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:15:51,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:15:51,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:15:51,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:15:51,381 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:15:51,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:15:51,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:15:51,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:15:51,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:15:51,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:15:51,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:15:51,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:15:51,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:15:51,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:15:51,382 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_15ae6b97-2d71-4223-9913-6e72c4bfccb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 [2022-12-15 03:15:51,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:15:51,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:15:51,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:15:51,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:15:51,556 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:15:51,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2022-12-15 03:15:54,162 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:15:54,381 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:15:54,381 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2022-12-15 03:15:54,392 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/data/dd12c2f56/7d9c8a11561a480d8f0b80b8fd64ea25/FLAG3ff914221 [2022-12-15 03:15:54,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/data/dd12c2f56/7d9c8a11561a480d8f0b80b8fd64ea25 [2022-12-15 03:15:54,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:15:54,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:15:54,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:15:54,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:15:54,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:15:54,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:54,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6c522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54, skipping insertion in model container [2022-12-15 03:15:54,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:54,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:15:54,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:15:54,640 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_15ae6b97-2d71-4223-9913-6e72c4bfccb0/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2022-12-15 03:15:54,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:15:54,787 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:15:54,810 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_15ae6b97-2d71-4223-9913-6e72c4bfccb0/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2022-12-15 03:15:54,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:15:54,899 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:15:54,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54 WrapperNode [2022-12-15 03:15:54,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:15:54,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:15:54,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:15:54,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:15:54,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:54,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:54,990 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-15 03:15:54,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:15:54,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:15:54,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:15:54,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:15:54,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:54,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:15:55,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:15:55,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:15:55,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:15:55,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:54" (1/1) ... [2022-12-15 03:15:55,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:15:55,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:15:55,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:15:55,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:15:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:15:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:15:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:15:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:15:55,204 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:15:55,206 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:15:56,312 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:16:00,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:16:00,319 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:16:00,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:00 BoogieIcfgContainer [2022-12-15 03:16:00,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:16:00,322 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:16:00,322 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:16:00,329 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:16:00,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:00" (1/1) ... [2022-12-15 03:16:00,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:16:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 03:16:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 03:16:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:16:00,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:00,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:00,570 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 03:16:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 03:16:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 03:16:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:16:00,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:00,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:31,166 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 03:16:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-15 03:16:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-15 03:16:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:16:31,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:44,461 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 03:17:55,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 03:17:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2022-12-15 03:17:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-12-15 03:17:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:17:55,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:55,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:19:10,474 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 03:19:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:19:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2022-12-15 03:19:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-12-15 03:19:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:19:10,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:19:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:19:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:20:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2022-12-15 03:20:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2022-12-15 03:20:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:20:22,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:21:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:21:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:21:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2022-12-15 03:21:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2022-12-15 03:21:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:21:31,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:21:31,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:21:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:22:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 03:22:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:22:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2022-12-15 03:22:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2022-12-15 03:22:28,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:22:28,719 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 03:22:28,725 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 03:22:29,037 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2022-12-15 03:22:29,045 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:22:29,045 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2022-12-15 03:22:29,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:22:29 ImpRootNode [2022-12-15 03:22:29,046 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:22:29,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:22:29,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:22:29,046 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:22:29,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:00" (3/4) ... [2022-12-15 03:22:29,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:22:29,063 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-15 03:22:29,064 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 03:22:29,065 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 03:22:29,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:22:29,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:22:29,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:22:29,168 INFO L158 Benchmark]: Toolchain (without parser) took 394757.27ms. Allocated memory was 163.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 123.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-12-15 03:22:29,168 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:22:29,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.06ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 78.7MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-15 03:22:29,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.89ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 61.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:22:29,169 INFO L158 Benchmark]: Boogie Preprocessor took 70.62ms. Allocated memory is still 163.6MB. Free memory was 61.9MB in the beginning and 52.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:22:29,169 INFO L158 Benchmark]: RCFGBuilder took 5259.64ms. Allocated memory was 163.6MB in the beginning and 834.7MB in the end (delta: 671.1MB). Free memory was 52.0MB in the beginning and 554.0MB in the end (delta: -502.0MB). Peak memory consumption was 446.0MB. Max. memory is 16.1GB. [2022-12-15 03:22:29,169 INFO L158 Benchmark]: CodeCheck took 388723.91ms. Allocated memory was 834.7MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 554.0MB in the beginning and 1.1GB in the end (delta: -587.6MB). Peak memory consumption was 790.2MB. Max. memory is 16.1GB. [2022-12-15 03:22:29,170 INFO L158 Benchmark]: Witness Printer took 120.83ms. Allocated memory is still 2.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:22:29,172 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: 388.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 325 SdHoareTripleChecker+Valid, 63.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 63.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 787 IncrementalHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 121 mSDtfsCounter, 787 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 980 GetRequests, 874 SyntacticMatches, 30 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2657 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 370.1s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 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: 196]: 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: 1044]: Loop Invariant Derived loop invariant: ((((a4 == 1 && a23 <= 312) && 312 <= a23) && a29 <= 130) || ((a25 <= 12 && a3 == 1) && a8 == 15)) || ((((((a23 + 43 <= 0 || 14 <= a25) || a29 <= 277) || 139 <= a23) || !(a4 == 1)) && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((a4 == 1 && a23 <= 312) && 312 <= a23) && a29 <= 130) || (((a23 + 43 <= 0 || !(a23 <= 138)) && a3 == 1) && a8 == 15)) || ((((!(a25 == 13) || a29 <= 277) || !(a4 == 1)) && a3 == 1) && a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.06ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 78.7MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.89ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 61.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.62ms. Allocated memory is still 163.6MB. Free memory was 61.9MB in the beginning and 52.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5259.64ms. Allocated memory was 163.6MB in the beginning and 834.7MB in the end (delta: 671.1MB). Free memory was 52.0MB in the beginning and 554.0MB in the end (delta: -502.0MB). Peak memory consumption was 446.0MB. Max. memory is 16.1GB. * CodeCheck took 388723.91ms. Allocated memory was 834.7MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 554.0MB in the beginning and 1.1GB in the end (delta: -587.6MB). Peak memory consumption was 790.2MB. Max. memory is 16.1GB. * Witness Printer took 120.83ms. Allocated memory is still 2.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:22:29,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ae6b97-2d71-4223-9913-6e72c4bfccb0/bin/ukojak-rkRKPMF4O4/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