./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ --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 67930f87d57c09f55f8a81ca912fd52fa6b736e61df0deaf80b576c75354b377 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:21:44,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:44,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:44,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:44,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:44,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:44,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:44,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:44,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:44,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:44,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:44,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:44,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:44,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:44,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:44,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:44,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:44,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:44,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:44,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:44,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:44,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:44,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:44,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:44,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:44,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:44,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:44,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:44,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:44,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:44,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:44,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:44,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:44,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:44,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:44,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:44,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:44,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:44,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:44,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:44,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:44,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:21:44,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:44,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:44,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:44,874 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:44,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:44,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:44,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:44,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:44,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:44,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:44,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:44,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:44,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:44,880 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:44,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:44,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:44,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:44,881 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:44,882 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:44,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:44,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:44,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:44,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:44,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:44,884 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:44,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:44,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:44,884 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_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67930f87d57c09f55f8a81ca912fd52fa6b736e61df0deaf80b576c75354b377 [2022-11-20 18:21:45,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:45,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:45,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:45,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:45,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:45,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_good.i [2022-11-20 18:21:48,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:48,741 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:48,746 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_good.i [2022-11-20 18:21:48,778 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/data/c3701f660/0ee86973cf2d4f9b94b6145c47181f04/FLAGc8bd5d27f [2022-11-20 18:21:48,798 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/data/c3701f660/0ee86973cf2d4f9b94b6145c47181f04 [2022-11-20 18:21:48,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:48,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:48,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:48,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:48,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:48,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:48" (1/1) ... [2022-11-20 18:21:48,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2ba51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48, skipping insertion in model container [2022-11-20 18:21:48,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:48" (1/1) ... [2022-11-20 18:21:48,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:48,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:49,297 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:49,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:49,867 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:49,902 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:50,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:50,181 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:50,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50 WrapperNode [2022-11-20 18:21:50,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:50,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:50,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:50,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:50,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,240 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2022-11-20 18:21:50,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:50,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:50,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:50,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:50,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:50,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:50,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:50,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:50,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:50,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:50,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:50,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:21:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:21:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 18:21:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 18:21:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:21:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:21:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:21:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:21:50,513 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:50,515 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:50,713 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:50,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:50,806 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:21:50,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:50 BoogieIcfgContainer [2022-11-20 18:21:50,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:21:50,810 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:21:50,810 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:21:50,821 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:21:50,821 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:21:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-20 18:21:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 18:21:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:21:50,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:50,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:21:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 53 transitions. [2022-11-20 18:21:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-11-20 18:21:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:21:51,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:21:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 46 transitions. [2022-11-20 18:21:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-20 18:21:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:21:51,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 45 transitions. [2022-11-20 18:21:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 18:21:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:21:51,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 44 transitions. [2022-11-20 18:21:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 18:21:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:21:51,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 43 transitions. [2022-11-20 18:21:52,111 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-20 18:21:52,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:21:52,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 34 states and 42 transitions. [2022-11-20 18:21:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-11-20 18:21:52,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:21:52,246 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 18:21:52,255 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 18:21:52,313 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:52,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:52 ImpRootNode [2022-11-20 18:21:52,320 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:52,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:52,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:52,322 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:52,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:50" (3/4) ... [2022-11-20 18:21:52,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:21:52,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:21:52,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 18:21:52,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:21:52,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 18:21:52,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:21:52,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:21:52,353 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:52,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:52,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:52,426 INFO L158 Benchmark]: Toolchain (without parser) took 3622.27ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 123.6MB in the beginning and 125.3MB in the end (delta: -1.7MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,430 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 115.3MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:52,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.93ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 122.9MB in the beginning and 162.5MB in the end (delta: -39.6MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.22ms. Allocated memory is still 199.2MB. Free memory was 162.5MB in the beginning and 159.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,431 INFO L158 Benchmark]: Boogie Preprocessor took 43.58ms. Allocated memory is still 199.2MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,432 INFO L158 Benchmark]: RCFGBuilder took 523.60ms. Allocated memory is still 199.2MB. Free memory was 157.2MB in the beginning and 140.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,432 INFO L158 Benchmark]: CodeCheck took 1510.52ms. Allocated memory is still 199.2MB. Free memory was 140.5MB in the beginning and 129.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,432 INFO L158 Benchmark]: Witness Printer took 103.82ms. Allocated memory is still 199.2MB. Free memory was 129.3MB in the beginning and 125.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:52,434 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 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 318 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 240 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 936 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 60/60 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1626]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 115.3MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.93ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 122.9MB in the beginning and 162.5MB in the end (delta: -39.6MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.22ms. Allocated memory is still 199.2MB. Free memory was 162.5MB in the beginning and 159.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.58ms. Allocated memory is still 199.2MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.60ms. Allocated memory is still 199.2MB. Free memory was 157.2MB in the beginning and 140.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1510.52ms. Allocated memory is still 199.2MB. Free memory was 140.5MB in the beginning and 129.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 103.82ms. Allocated memory is still 199.2MB. Free memory was 129.3MB in the beginning and 125.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:21:52,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999d19ab-3190-45a1-bab3-ff5e51c811de/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE