./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark17_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_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/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_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/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_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/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 a22440a8f255aec9d5730865f842f7cbb927d7105e4870e8c7e734895eef852b ......................................................................................................................................................................................................................... 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 03:56:19,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:56:19,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:56:19,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:56:19,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:56:19,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:56:19,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:56:19,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:56:19,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:56:19,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:56:19,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:56:19,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:56:19,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:56:19,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:56:19,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:56:19,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:56:19,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:56:19,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:56:19,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:56:19,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:56:19,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:56:19,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:56:19,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:56:19,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:56:19,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:56:19,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:56:19,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:56:19,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:56:19,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:56:19,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:56:19,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:56:19,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:56:19,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:56:19,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:56:19,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:56:19,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:56:19,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:56:19,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:56:19,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:56:19,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:56:19,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:56:19,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:56:19,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:56:19,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:56:19,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:56:19,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:56:19,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:56:19,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:56:19,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:56:19,798 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:56:19,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:56:19,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:56:19,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:56:19,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:56:19,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:56:19,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:56:19,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:56:19,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:56:19,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:56:19,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:56:19,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:56:19,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:56:19,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:56:19,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:56:19,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:56:19,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:56:19,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:56:19,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:56:19,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:56:19,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:56:19,802 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_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22440a8f255aec9d5730865f842f7cbb927d7105e4870e8c7e734895eef852b [2021-10-29 03:56:20,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:56:20,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:56:20,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:56:20,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:56:20,093 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:56:20,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i [2021-10-29 03:56:20,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/data/746153449/9616362700894b46a38a3b378b5dece4/FLAG6cce1e3ec [2021-10-29 03:56:20,627 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:56:20,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i [2021-10-29 03:56:20,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/data/746153449/9616362700894b46a38a3b378b5dece4/FLAG6cce1e3ec [2021-10-29 03:56:20,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/data/746153449/9616362700894b46a38a3b378b5dece4 [2021-10-29 03:56:20,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:56:20,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:56:20,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:56:20,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:56:20,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:56:20,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:20,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68403214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20, skipping insertion in model container [2021-10-29 03:56:20,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:20,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:56:20,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:56:20,922 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_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i[873,886] [2021-10-29 03:56:20,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:56:20,938 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:56:20,954 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_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i[873,886] [2021-10-29 03:56:20,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:56:20,973 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:56:20,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20 WrapperNode [2021-10-29 03:56:20,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:56:20,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:56:20,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:56:20,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:56:20,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:20,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:56:21,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:56:21,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:56:21,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:56:21,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:56:21,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:56:21,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:56:21,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:56:21,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:20" (1/1) ... [2021-10-29 03:56:21,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:56:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:56:21,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:56:21,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:56:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:56:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:56:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:56:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:56:21,323 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:56:21,323 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:56:21,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:21 BoogieIcfgContainer [2021-10-29 03:56:21,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:56:21,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:56:21,337 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:56:21,360 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:56:21,361 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:21" (1/1) ... [2021-10-29 03:56:21,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:56:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:56:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:56:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:56:21,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:21,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:21,651 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 03:56:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-29 03:56:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-29 03:56:21,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:56:21,715 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-29 03:56:21,721 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:56:21,738 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:56:21,748 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:56:21,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:56:21 ImpRootNode [2021-10-29 03:56:21,748 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:56:21,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:56:21,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:56:21,752 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:56:21,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:21" (3/4) ... [2021-10-29 03:56:21,756 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:56:21,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 03:56:21,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:56:21,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:56:21,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:56:21,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:56:21,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:56:21,838 INFO L168 Benchmark]: Toolchain (without parser) took 1169.85 ms. Allocated memory is still 94.4 MB. Free memory was 60.7 MB in the beginning and 43.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:21,838 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory was 64.7 MB in the beginning and 64.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:56:21,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.23 ms. Allocated memory is still 94.4 MB. Free memory was 60.4 MB in the beginning and 71.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:21,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.48 ms. Allocated memory is still 94.4 MB. Free memory was 71.3 MB in the beginning and 69.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:21,839 INFO L168 Benchmark]: Boogie Preprocessor took 16.76 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.7 MB in the end (delta: 924.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:56:21,840 INFO L168 Benchmark]: RCFGBuilder took 283.28 ms. Allocated memory is still 94.4 MB. Free memory was 68.7 MB in the beginning and 58.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:21,840 INFO L168 Benchmark]: CodeCheck took 411.97 ms. Allocated memory is still 94.4 MB. Free memory was 58.3 MB in the beginning and 46.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:21,841 INFO L168 Benchmark]: Witness Printer took 83.96 ms. Allocated memory is still 94.4 MB. Free memory was 46.1 MB in the beginning and 43.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:21,845 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: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 24]: Loop Invariant Derived loop invariant: i <= k - 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 0.19 ms. Allocated memory is still 94.4 MB. Free memory was 64.7 MB in the beginning and 64.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.23 ms. Allocated memory is still 94.4 MB. Free memory was 60.4 MB in the beginning and 71.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.48 ms. Allocated memory is still 94.4 MB. Free memory was 71.3 MB in the beginning and 69.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.76 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.7 MB in the end (delta: 924.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 283.28 ms. Allocated memory is still 94.4 MB. Free memory was 68.7 MB in the beginning and 58.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 411.97 ms. Allocated memory is still 94.4 MB. Free memory was 58.3 MB in the beginning and 46.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 83.96 ms. Allocated memory is still 94.4 MB. Free memory was 46.1 MB in the beginning and 43.6 MB in the end (delta: 2.6 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 03:56:21,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76b3b25-1e14-46f3-92d0-eb01e3bfd825/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...