./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/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_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d893efacd65ca909eb9b8ab6c750c1daa6fbbdd40268b7a15c770813d19a300 ...................................................................................................................................................................................................................................................................... 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 04:18:43,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:18:43,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:18:43,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:18:43,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:18:43,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:18:43,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:18:43,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:18:43,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:18:43,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:18:43,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:18:43,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:18:43,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:18:43,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:18:43,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:18:43,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:18:43,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:18:43,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:18:43,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:18:44,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:18:44,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:18:44,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:18:44,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:18:44,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:18:44,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:18:44,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:18:44,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:18:44,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:18:44,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:18:44,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:18:44,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:18:44,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:18:44,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:18:44,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:18:44,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:18:44,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:18:44,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:18:44,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:18:44,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:18:44,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:18:44,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:18:44,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:18:44,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:18:44,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:18:44,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:18:44,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:18:44,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:18:44,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:18:44,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:18:44,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:18:44,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:18:44,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:18:44,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:18:44,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:18:44,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:18:44,142 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:18:44,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:18:44,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:18:44,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:18:44,144 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:18:44,144 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:18:44,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:18:44,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:18:44,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:18:44,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:18:44,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:18:44,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:18:44,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:18:44,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:18:44,159 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_8d6dc36b-acc9-4624-ad0c-cab39f86b537/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d893efacd65ca909eb9b8ab6c750c1daa6fbbdd40268b7a15c770813d19a300 [2021-10-29 04:18:44,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:18:44,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:18:44,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:18:44,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:18:44,773 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:18:44,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c [2021-10-29 04:18:44,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/data/556adc5e6/4df954050e6e4818bb264846c02a1029/FLAG8579d2660 [2021-10-29 04:18:45,861 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:18:45,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c [2021-10-29 04:18:45,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/data/556adc5e6/4df954050e6e4818bb264846c02a1029/FLAG8579d2660 [2021-10-29 04:18:46,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/data/556adc5e6/4df954050e6e4818bb264846c02a1029 [2021-10-29 04:18:46,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:18:46,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:18:46,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:18:46,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:18:46,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:18:46,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc7eb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46, skipping insertion in model container [2021-10-29 04:18:46,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:18:46,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:18:46,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:18:46,620 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:18:46,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:18:46,671 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:18:46,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46 WrapperNode [2021-10-29 04:18:46,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:18:46,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:18:46,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:18:46,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:18:46,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:18:46,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:18:46,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:18:46,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:18:46,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:18:46,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:18:46,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:18:46,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:18:46,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:18:46" (1/1) ... [2021-10-29 04:18:46,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:18:46,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:18:46,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:18:46,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:18:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:18:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:18:47,159 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:18:47,162 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:18:47,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:18:47 BoogieIcfgContainer [2021-10-29 04:18:47,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:18:47,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:18:47,167 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:18:47,178 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:18:47,178 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:18:47" (1/1) ... [2021-10-29 04:18:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:18:47,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-29 04:18:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-29 04:18:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:18:47,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:47,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:47,373 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 04:18:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-10-29 04:18:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-10-29 04:18:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:18:47,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:47,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:47,427 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 04:18:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-10-29 04:18:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-29 04:18:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:18:47,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:47,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:47,464 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 04:18:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-10-29 04:18:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-10-29 04:18:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:18:47,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:47,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:47,562 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 04:18:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:18:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:18:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:18:47,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:47,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:18:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-10-29 04:18:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-29 04:18:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:18:47,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:47,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:18:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-10-29 04:18:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-29 04:18:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:18:48,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:18:48,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:18:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:18:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:18:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:18:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-10-29 04:18:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-10-29 04:18:48,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:18:48,076 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 04:18:48,082 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 04:18:48,149 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:18:48,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:18:48 ImpRootNode [2021-10-29 04:18:48,167 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:18:48,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:18:48,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:18:48,169 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:18:48,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:18:47" (3/4) ... [2021-10-29 04:18:48,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:18:48,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:18:48,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:18:48,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:18:48,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:18:48,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:18:48,220 INFO L168 Benchmark]: Toolchain (without parser) took 2077.01 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 69.3 MB in the beginning and 100.5 MB in the end (delta: -31.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:18:48,220 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 98.6 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:18:48,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.03 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 69.1 MB in the beginning and 102.2 MB in the end (delta: -33.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:18:48,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 125.8 MB. Free memory was 102.2 MB in the beginning and 101.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:18:48,223 INFO L168 Benchmark]: Boogie Preprocessor took 46.70 ms. Allocated memory is still 125.8 MB. Free memory was 101.0 MB in the beginning and 100.3 MB in the end (delta: 730.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:18:48,223 INFO L168 Benchmark]: RCFGBuilder took 362.57 ms. Allocated memory is still 125.8 MB. Free memory was 100.3 MB in the beginning and 91.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:18:48,224 INFO L168 Benchmark]: CodeCheck took 1001.14 ms. Allocated memory is still 125.8 MB. Free memory was 91.3 MB in the beginning and 102.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:18:48,225 INFO L168 Benchmark]: Witness Printer took 49.92 ms. Allocated memory is still 125.8 MB. Free memory was 102.3 MB in the beginning and 100.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:18:48,228 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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: 256 SDtfs, 724 SDslu, 530 SDs, 0 SdLazy, 1916 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 303 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 8/8 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 98.6 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.03 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 69.1 MB in the beginning and 102.2 MB in the end (delta: -33.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 125.8 MB. Free memory was 102.2 MB in the beginning and 101.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.70 ms. Allocated memory is still 125.8 MB. Free memory was 101.0 MB in the beginning and 100.3 MB in the end (delta: 730.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 362.57 ms. Allocated memory is still 125.8 MB. Free memory was 100.3 MB in the beginning and 91.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 1001.14 ms. Allocated memory is still 125.8 MB. Free memory was 91.3 MB in the beginning and 102.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 49.92 ms. Allocated memory is still 125.8 MB. Free memory was 102.3 MB in the beginning and 100.5 MB in the end (delta: 1.7 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 04:18:48,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6dc36b-acc9-4624-ad0c-cab39f86b537/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...