./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:46:52,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:46:52,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:46:52,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:46:52,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:46:52,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:46:52,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:46:52,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:46:52,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:46:52,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:46:52,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:46:52,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:46:52,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:46:52,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:46:52,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:46:52,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:46:52,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:46:52,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:46:52,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:46:52,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:46:52,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:46:52,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:46:52,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:46:52,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:46:52,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:46:52,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:46:52,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:46:52,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:46:52,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:46:52,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:46:52,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:46:52,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:46:52,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:46:52,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:46:52,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:46:52,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:46:52,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:46:52,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:46:52,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:46:52,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:46:52,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:46:52,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:46:52,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:46:52,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:46:52,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:46:52,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:46:52,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:46:52,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:46:52,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:46:52,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:46:52,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:46:52,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:46:52,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:46:52,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:46:52,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:46:52,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:46:52,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:46:52,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:46:52,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:46:52,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:46:52,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:46:52,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:46:52,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:46:52,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:46:52,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:46:52,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:46:52,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:46:52,324 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:46:52,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:46:52,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:46:52,325 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_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 [2021-11-23 01:46:52,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:46:52,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:46:52,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:46:52,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:46:52,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:46:52,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2021-11-23 01:46:52,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/data/b0da4b5f7/8a8a54e82d8d420490f7a98ca9096569/FLAG72164c6d0 [2021-11-23 01:46:53,375 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:46:53,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2021-11-23 01:46:53,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/data/b0da4b5f7/8a8a54e82d8d420490f7a98ca9096569/FLAG72164c6d0 [2021-11-23 01:46:53,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/data/b0da4b5f7/8a8a54e82d8d420490f7a98ca9096569 [2021-11-23 01:46:53,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:46:53,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:46:53,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:46:53,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:46:53,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:46:53,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:53" (1/1) ... [2021-11-23 01:46:53,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d625da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:53, skipping insertion in model container [2021-11-23 01:46:53,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:53" (1/1) ... [2021-11-23 01:46:53,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:46:53,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:46:53,913 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_dbcb9437-9791-47fc-8002-4c947088df1a/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2021-11-23 01:46:54,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:46:54,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:46:54,186 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_dbcb9437-9791-47fc-8002-4c947088df1a/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2021-11-23 01:46:54,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:46:54,288 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:46:54,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54 WrapperNode [2021-11-23 01:46:54,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:46:54,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:46:54,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:46:54,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:46:54,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,409 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 01:46:54,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:46:54,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:46:54,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:46:54,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:46:54,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:46:54,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:46:54,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:46:54,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:46:54,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2021-11-23 01:46:54,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:46:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:46:54,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:46:54,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:46:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:46:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:46:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:46:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:46:54,709 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:46:54,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:46:55,841 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:46:57,890 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:46:57,890 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:46:57,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:57 BoogieIcfgContainer [2021-11-23 01:46:57,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:46:57,894 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:46:57,895 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:46:57,905 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:46:57,905 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:57" (1/1) ... [2021-11-23 01:46:57,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:46:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:46:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:46:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:46:57,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:57,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:46:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:46:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:46:58,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:58,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 01:46:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 01:46:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:46:58,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:58,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-23 01:47:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-23 01:47:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:47:00,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:00,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-23 01:47:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-23 01:47:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:47:01,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:47:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2021-11-23 01:47:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2021-11-23 01:47:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:47:03,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:03,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:47:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2021-11-23 01:47:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-11-23 01:47:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:47:03,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:03,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:47:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2021-11-23 01:47:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2021-11-23 01:47:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:04,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:04,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2021-11-23 01:47:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2021-11-23 01:47:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:05,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:05,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-23 01:47:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-23 01:47:06,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:47:06,668 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-11-23 01:47:06,676 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:47:07,040 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 01:47:07,058 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 01:47:07,059 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:47:07,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:47:07 ImpRootNode [2021-11-23 01:47:07,059 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:47:07,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:47:07,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:47:07,060 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:47:07,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:57" (3/4) ... [2021-11-23 01:47:07,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:47:07,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2021-11-23 01:47:07,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 01:47:07,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:47:07,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:47:07,292 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:47:07,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:47:07,293 INFO L158 Benchmark]: Toolchain (without parser) took 13650.33ms. Allocated memory was 111.1MB in the beginning and 576.7MB in the end (delta: 465.6MB). Free memory was 66.6MB in the beginning and 300.7MB in the end (delta: -234.1MB). Peak memory consumption was 231.3MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,294 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:47:07,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.66ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 67.6MB in the end (delta: -1.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.12ms. Allocated memory is still 111.1MB. Free memory was 67.6MB in the beginning and 59.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,296 INFO L158 Benchmark]: Boogie Preprocessor took 108.11ms. Allocated memory is still 111.1MB. Free memory was 59.5MB in the beginning and 54.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,296 INFO L158 Benchmark]: RCFGBuilder took 3370.25ms. Allocated memory was 111.1MB in the beginning and 190.8MB in the end (delta: 79.7MB). Free memory was 54.7MB in the beginning and 122.4MB in the end (delta: -67.7MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,297 INFO L158 Benchmark]: CodeCheck took 9165.01ms. Allocated memory was 190.8MB in the beginning and 576.7MB in the end (delta: 385.9MB). Free memory was 122.4MB in the beginning and 316.5MB in the end (delta: -194.1MB). Peak memory consumption was 190.8MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,297 INFO L158 Benchmark]: Witness Printer took 232.52ms. Allocated memory is still 576.7MB. Free memory was 316.5MB in the beginning and 300.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:47:07,299 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: 8.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 399 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1006 IncrementalHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 169 mSolverCounterUnsat, 157 mSDtfsCounter, 1006 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1294 GetRequests, 1157 SyntacticMatches, 63 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2378 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 72/158 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: 86]: 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: 592]: Loop Invariant Derived loop invariant: (((a19 <= 5 && 14 == a4) && a12 == 0) || (((!(a10 == 1) || a1 <= 198) && 14 == a4) && a12 == 0)) || ((7 <= a19 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a19 == 6) || a1 <= 218) || !(a10 == 1)) && 14 == a4) && a12 == 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.66ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 67.6MB in the end (delta: -1.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.12ms. Allocated memory is still 111.1MB. Free memory was 67.6MB in the beginning and 59.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.11ms. Allocated memory is still 111.1MB. Free memory was 59.5MB in the beginning and 54.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3370.25ms. Allocated memory was 111.1MB in the beginning and 190.8MB in the end (delta: 79.7MB). Free memory was 54.7MB in the beginning and 122.4MB in the end (delta: -67.7MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. * CodeCheck took 9165.01ms. Allocated memory was 190.8MB in the beginning and 576.7MB in the end (delta: 385.9MB). Free memory was 122.4MB in the beginning and 316.5MB in the end (delta: -194.1MB). Peak memory consumption was 190.8MB. Max. memory is 16.1GB. * Witness Printer took 232.52ms. Allocated memory is still 576.7MB. Free memory was 316.5MB in the beginning and 300.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:47:07,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb9437-9791-47fc-8002-4c947088df1a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE