./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/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_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/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_096ee664-a96e-4e2e-9c74-bc31d98e4738/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 e5f53c50d5a2b80eb28cf262e73a148c1ae8e843c3f86573e6f39225ff6159e1 --- 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 17:54:40,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:54:40,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:54:40,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:54:40,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:54:40,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:54:40,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:54:40,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:54:40,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:54:40,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:54:40,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:54:40,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:54:40,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:54:40,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:54:40,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:54:40,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:54:40,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:54:40,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:54:40,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:54:40,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:54:40,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:54:40,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:54:40,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:54:40,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:54:40,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:54:40,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:54:40,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:54:40,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:54:40,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:54:40,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:54:40,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:54:40,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:54:40,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:54:40,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:54:40,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:54:40,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:54:40,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:54:40,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:54:40,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:54:40,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:54:40,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:54:40,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:54:40,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:54:40,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:54:40,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:54:40,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:54:40,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:54:40,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:54:40,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:54:40,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:54:40,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:54:40,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:54:40,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:54:40,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:54:40,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:54:40,346 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:54:40,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:54:40,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:54:40,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:54:40,347 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:54:40,347 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:54:40,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:54:40,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:54:40,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:54:40,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:54:40,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:54:40,349 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:54:40,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:54:40,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:54:40,349 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_096ee664-a96e-4e2e-9c74-bc31d98e4738/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5f53c50d5a2b80eb28cf262e73a148c1ae8e843c3f86573e6f39225ff6159e1 [2022-11-20 17:54:40,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:54:40,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:54:40,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:54:40,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:54:40,708 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:54:40,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i [2022-11-20 17:54:43,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:54:44,226 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:54:44,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_22_good.i [2022-11-20 17:54:44,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/data/88851da5e/ea87444951d6428ba17cb8fa26f1851a/FLAG96f7e3d81 [2022-11-20 17:54:44,279 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/data/88851da5e/ea87444951d6428ba17cb8fa26f1851a [2022-11-20 17:54:44,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:54:44,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:54:44,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:54:44,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:54:44,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:54:44,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:54:44" (1/1) ... [2022-11-20 17:54:44,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3301db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:44, skipping insertion in model container [2022-11-20 17:54:44,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:54:44" (1/1) ... [2022-11-20 17:54:44,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:54:44,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:54:44,762 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:54:45,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:54:45,293 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:54:45,319 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:54:45,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:54:45,529 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:54:45,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45 WrapperNode [2022-11-20 17:54:45,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:54:45,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:54:45,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:54:45,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:54:45,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,596 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 77 [2022-11-20 17:54:45,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:54:45,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:54:45,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:54:45,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:54:45,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:54:45,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:54:45,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:54:45,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:54:45,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:54:45" (1/1) ... [2022-11-20 17:54:45,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:54:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:54:45,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:54:45,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:54:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:54:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:54:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:54:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:54:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:54:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:54:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:54:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:54:45,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:54:45,874 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:54:45,893 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:54:46,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:54:46,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:54:46,141 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:54:46,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:54:46 BoogieIcfgContainer [2022-11-20 17:54:46,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:54:46,145 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:54:46,145 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:54:46,156 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:54:46,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:54:46" (1/1) ... [2022-11-20 17:54:46,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:54:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-11-20 17:54:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-11-20 17:54:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:54:46,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:46,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:54:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2022-11-20 17:54:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-11-20 17:54:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:54:46,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:46,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:54:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 44 transitions. [2022-11-20 17:54:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-20 17:54:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:54:46,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:46,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:46,894 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 17:54:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 41 transitions. [2022-11-20 17:54:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-20 17:54:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:54:46,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:46,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:47,091 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 17:54:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 40 transitions. [2022-11-20 17:54:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 17:54:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:54:47,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:47,219 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 17:54:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 39 transitions. [2022-11-20 17:54:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-20 17:54:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:54:47,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:47,313 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 17:54:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 32 transitions. [2022-11-20 17:54:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-20 17:54:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:54:47,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:47,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:54:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 31 transitions. [2022-11-20 17:54:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-20 17:54:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:54:47,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:47,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:54:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 30 transitions. [2022-11-20 17:54:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-20 17:54:47,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:54:47,883 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:54:47,891 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 17:54:47,934 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:54:47,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:54:47 ImpRootNode [2022-11-20 17:54:47,940 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:54:47,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:54:47,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:54:47,941 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:54:47,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:54:46" (3/4) ... [2022-11-20 17:54:47,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:54:47,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:54:47,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:54:47,966 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 17:54:47,966 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:54:47,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:54:47,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:54:48,033 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:54:48,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:54:48,043 INFO L158 Benchmark]: Toolchain (without parser) took 3756.45ms. Allocated memory was 172.0MB in the beginning and 220.2MB in the end (delta: 48.2MB). Free memory was 123.0MB in the beginning and 143.4MB in the end (delta: -20.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,043 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 172.0MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:54:48,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1242.11ms. Allocated memory was 172.0MB in the beginning and 220.2MB in the end (delta: 48.2MB). Free memory was 122.4MB in the beginning and 183.7MB in the end (delta: -61.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.82ms. Allocated memory is still 220.2MB. Free memory was 183.7MB in the beginning and 180.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,049 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 220.2MB. Free memory was 180.5MB in the beginning and 178.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,049 INFO L158 Benchmark]: RCFGBuilder took 516.62ms. Allocated memory is still 220.2MB. Free memory was 178.4MB in the beginning and 162.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,049 INFO L158 Benchmark]: CodeCheck took 1795.11ms. Allocated memory is still 220.2MB. Free memory was 162.7MB in the beginning and 146.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,050 INFO L158 Benchmark]: Witness Printer took 101.37ms. Allocated memory is still 220.2MB. Free memory was 146.3MB in the beginning and 143.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:54:48,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 254 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 883 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 172.0MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1242.11ms. Allocated memory was 172.0MB in the beginning and 220.2MB in the end (delta: 48.2MB). Free memory was 122.4MB in the beginning and 183.7MB in the end (delta: -61.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.82ms. Allocated memory is still 220.2MB. Free memory was 183.7MB in the beginning and 180.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 220.2MB. Free memory was 180.5MB in the beginning and 178.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.62ms. Allocated memory is still 220.2MB. Free memory was 178.4MB in the beginning and 162.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1795.11ms. Allocated memory is still 220.2MB. Free memory was 162.7MB in the beginning and 146.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 101.37ms. Allocated memory is still 220.2MB. Free memory was 146.3MB in the beginning and 143.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:54:48,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096ee664-a96e-4e2e-9c74-bc31d98e4738/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