./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI --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 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:20:47,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:20:47,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:20:47,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:20:47,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:20:47,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:20:47,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:20:47,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:20:47,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:20:47,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:20:47,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:20:47,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:20:47,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:20:47,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:20:47,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:20:47,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:20:47,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:20:47,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:20:47,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:20:47,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:20:47,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:20:47,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:20:47,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:20:47,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:20:47,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:20:47,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:20:47,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:20:47,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:20:47,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:20:47,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:20:47,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:20:47,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:20:47,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:20:47,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:20:47,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:20:47,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:20:47,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:20:47,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:20:47,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:20:47,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:20:47,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:20:47,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:20:47,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:20:47,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:20:47,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:20:47,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:20:47,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:20:47,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:20:47,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:20:47,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:20:47,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:20:47,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:20:47,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:20:47,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:20:47,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:20:47,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:20:47,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:20:47,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:20:47,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:20:47,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:20:47,491 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:20:47,491 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:20:47,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:20:47,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:20:47,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:20:47,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:20:47,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:20:47,493 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:20:47,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:20:47,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:20:47,494 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_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 [2021-10-29 03:20:47,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:20:47,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:20:47,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:20:47,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:20:47,843 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:20:47,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2021-10-29 03:20:47,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/data/136074ca0/1307a7251f5243a782a34fb945b64e1d/FLAG187b50567 [2021-10-29 03:20:48,398 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:20:48,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2021-10-29 03:20:48,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/data/136074ca0/1307a7251f5243a782a34fb945b64e1d/FLAG187b50567 [2021-10-29 03:20:48,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/data/136074ca0/1307a7251f5243a782a34fb945b64e1d [2021-10-29 03:20:48,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:20:48,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:20:48,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:20:48,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:20:48,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:20:48,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:48" (1/1) ... [2021-10-29 03:20:48,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d21ed38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:48, skipping insertion in model container [2021-10-29 03:20:48,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:48" (1/1) ... [2021-10-29 03:20:48,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:20:48,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:20:49,027 WARN L228 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_347a21ee-b60c-485b-993b-ab369d2c6cc1/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2021-10-29 03:20:49,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:20:49,052 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:20:49,066 WARN L228 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_347a21ee-b60c-485b-993b-ab369d2c6cc1/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2021-10-29 03:20:49,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:20:49,091 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:20:49,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49 WrapperNode [2021-10-29 03:20:49,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:20:49,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:20:49,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:20:49,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:20:49,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:20:49,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:20:49,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:20:49,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:20:49,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:20:49,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:20:49,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:20:49,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:20:49,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:20:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:20:49,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:20:49,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:20:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:20:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:20:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:20:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:20:49,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:20:49,476 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:20:49,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:49 BoogieIcfgContainer [2021-10-29 03:20:49,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:20:49,480 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:20:49,480 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:20:49,497 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:20:49,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:49" (1/1) ... [2021-10-29 03:20:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:20:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:20:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:20:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:20:49,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:49,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:20:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-10-29 03:20:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-10-29 03:20:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:20:49,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:49,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:20:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-10-29 03:20:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-10-29 03:20:50,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:20:50,016 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-10-29 03:20:50,022 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:20:50,063 INFO L565 CodeCheckObserver]: Invariant with dag size 6 [2021-10-29 03:20:50,075 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:20:50,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:20:50 ImpRootNode [2021-10-29 03:20:50,076 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:20:50,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:20:50,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:20:50,078 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:20:50,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:49" (3/4) ... [2021-10-29 03:20:50,082 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:20:50,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 03:20:50,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:20:50,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:20:50,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:20:50,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:20:50,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:20:50,141 INFO L168 Benchmark]: Toolchain (without parser) took 1326.41 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.0 MB in the beginning and 94.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:20:50,141 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:20:50,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.31 ms. Allocated memory is still 96.5 MB. Free memory was 58.8 MB in the beginning and 72.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:20:50,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 96.5 MB. Free memory was 72.2 MB in the beginning and 70.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:20:50,148 INFO L168 Benchmark]: Boogie Preprocessor took 38.05 ms. Allocated memory is still 96.5 MB. Free memory was 70.6 MB in the beginning and 69.8 MB in the end (delta: 797.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:20:50,149 INFO L168 Benchmark]: RCFGBuilder took 306.29 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 59.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:20:50,149 INFO L168 Benchmark]: CodeCheck took 596.76 ms. Allocated memory is still 96.5 MB. Free memory was 59.6 MB in the beginning and 42.0 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:20:50,150 INFO L168 Benchmark]: Witness Printer took 61.24 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 42.0 MB in the beginning and 94.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:20:50,154 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 16]: 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: 23]: Loop Invariant Derived loop invariant: y <= 100 && x <= 100 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.31 ms. Allocated memory is still 96.5 MB. Free memory was 58.8 MB in the beginning and 72.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 96.5 MB. Free memory was 72.2 MB in the beginning and 70.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.05 ms. Allocated memory is still 96.5 MB. Free memory was 70.6 MB in the beginning and 69.8 MB in the end (delta: 797.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 306.29 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 59.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 596.76 ms. Allocated memory is still 96.5 MB. Free memory was 59.6 MB in the beginning and 42.0 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 61.24 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 42.0 MB in the beginning and 94.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:20:50,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347a21ee-b60c-485b-993b-ab369d2c6cc1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...