./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c --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_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/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_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/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_78796494-26e3-400c-848f-0144474434f9/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 87608ec580cc80a59c7836f9aeadd0fc773dea5ebb620dd020651936daa4e397 ........................................................................................................................................................................................................................................................................................... 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 04:06:04,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:06:04,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:06:04,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:06:04,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:06:04,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:06:04,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:06:04,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:06:04,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:06:04,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:06:04,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:06:04,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:06:04,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:06:04,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:06:04,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:06:04,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:06:04,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:06:04,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:06:04,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:06:04,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:06:04,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:06:04,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:06:04,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:06:04,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:06:04,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:06:04,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:06:04,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:06:04,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:06:04,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:06:04,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:06:04,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:06:04,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:06:04,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:06:04,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:06:04,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:06:04,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:06:04,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:06:04,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:06:04,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:06:04,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:06:04,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:06:04,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:06:04,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:06:04,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:06:04,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:06:04,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:06:04,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:06:04,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:06:04,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:06:04,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:06:04,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:06:04,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:06:04,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:06:04,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:06:04,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:06:04,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:06:04,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:06:04,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:06:04,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:06:04,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:06:04,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:06:04,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:06:04,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:06:04,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:06:04,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:06:04,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:06:04,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:06:04,525 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:06:04,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:06:04,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:06:04,525 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_78796494-26e3-400c-848f-0144474434f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87608ec580cc80a59c7836f9aeadd0fc773dea5ebb620dd020651936daa4e397 [2021-10-29 04:06:04,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:06:04,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:06:04,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:06:04,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:06:04,896 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:06:04,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2021-10-29 04:06:04,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/data/2ddb2f226/9327d31d6e454ef0b6fdcc1f6859790e/FLAG383481c9d [2021-10-29 04:06:05,541 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:06:05,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2021-10-29 04:06:05,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/data/2ddb2f226/9327d31d6e454ef0b6fdcc1f6859790e/FLAG383481c9d [2021-10-29 04:06:05,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/data/2ddb2f226/9327d31d6e454ef0b6fdcc1f6859790e [2021-10-29 04:06:05,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:06:05,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:06:05,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:06:05,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:06:05,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:06:05,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:06:05" (1/1) ... [2021-10-29 04:06:05,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e98029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:05, skipping insertion in model container [2021-10-29 04:06:05,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:06:05" (1/1) ... [2021-10-29 04:06:05,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:06:05,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:06:06,121 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_78796494-26e3-400c-848f-0144474434f9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c[458,471] [2021-10-29 04:06:06,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:06:06,154 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:06:06,165 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_78796494-26e3-400c-848f-0144474434f9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c[458,471] [2021-10-29 04:06:06,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:06:06,189 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:06:06,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06 WrapperNode [2021-10-29 04:06:06,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:06:06,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:06:06,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:06:06,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:06:06,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:06:06,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:06:06,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:06:06,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:06:06,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:06:06,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:06:06,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:06:06,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:06:06,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:06:06,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:06:06,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:06:06,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:06:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:06:06,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:06:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:06:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:06:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:06:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:06:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:06:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:06:06,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:06:06,676 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:06:06,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:06 BoogieIcfgContainer [2021-10-29 04:06:06,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:06:06,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:06:06,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:06:06,693 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:06:06,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:06" (1/1) ... [2021-10-29 04:06:06,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:06:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-29 04:06:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-29 04:06:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:06:06,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:06,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-10-29 04:06:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-29 04:06:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:06:06,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:06,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:07,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:07,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-10-29 04:06:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-10-29 04:06:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:06:07,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:07,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:07,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:07,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-10-29 04:06:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-10-29 04:06:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:06:08,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:08,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:08,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:08,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-10-29 04:06:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-29 04:06:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:06:08,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:08,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:09,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:06:09,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:06:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 04:06:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 04:06:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:06:09,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:09,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:09,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:06:09,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:06:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 28 states and 36 transitions. [2021-10-29 04:06:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-10-29 04:06:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 04:06:10,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:10,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:10,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:06:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:06:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 22 states and 28 transitions. [2021-10-29 04:06:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-10-29 04:06:11,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:06:11,507 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 04:06:11,512 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:06:11,692 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 04:06:11,704 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:11,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:06:11 ImpRootNode [2021-10-29 04:06:11,705 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:06:11,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:06:11,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:06:11,706 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:06:11,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:06" (3/4) ... [2021-10-29 04:06:11,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:06:11,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 04:06:11,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:06:11,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 04:06:11,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:06:11,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:06:11,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:06:11,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:06:11,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:06:11,766 INFO L168 Benchmark]: Toolchain (without parser) took 5856.51 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 83.6 MB in the beginning and 64.9 MB in the end (delta: 18.6 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:11,767 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:06:11,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.42 ms. Allocated memory is still 117.4 MB. Free memory was 83.3 MB in the beginning and 93.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:11,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.59 ms. Allocated memory is still 117.4 MB. Free memory was 93.7 MB in the beginning and 92.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:06:11,769 INFO L168 Benchmark]: Boogie Preprocessor took 22.98 ms. Allocated memory is still 117.4 MB. Free memory was 92.3 MB in the beginning and 91.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:11,769 INFO L168 Benchmark]: RCFGBuilder took 432.38 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 79.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:11,770 INFO L168 Benchmark]: CodeCheck took 5023.60 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 79.4 MB in the beginning and 68.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:11,770 INFO L168 Benchmark]: Witness Printer took 58.83 ms. Allocated memory is still 142.6 MB. Free memory was 68.0 MB in the beginning and 64.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:11,773 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 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1672 SDtfs, 366 SDslu, 416 SDs, 0 SdLazy, 2480 SolverSat, 866 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1159 GetRequests, 1077 SyntacticMatches, 12 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1674 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 426 SizeOfPredicates, 8 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 57/64 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: 12]: 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: 28]: Loop Invariant Derived loop invariant: ((0 < k && c <= 1) || !((0 <= k && k <= 1) && 1 <= c)) || !(y == 1 && x == y * y * y * y * y) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.42 ms. Allocated memory is still 117.4 MB. Free memory was 83.3 MB in the beginning and 93.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.59 ms. Allocated memory is still 117.4 MB. Free memory was 93.7 MB in the beginning and 92.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.98 ms. Allocated memory is still 117.4 MB. Free memory was 92.3 MB in the beginning and 91.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 432.38 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 79.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 5023.60 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 79.4 MB in the beginning and 68.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 58.83 ms. Allocated memory is still 142.6 MB. Free memory was 68.0 MB in the beginning and 64.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:06:11,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78796494-26e3-400c-848f-0144474434f9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...