./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg --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 309c1223d511a98b069ba0dc8b285e4b3d7356cb431482b5d825e2f9650444b5 --- 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-b5237d8 [2022-11-21 22:52:51,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:52:51,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:52:51,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:52:51,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:52:51,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:52:51,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:52:51,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:52:51,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:52:51,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:52:51,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:52:51,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:52:51,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:52:51,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:52:51,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:52:51,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:52:51,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:52:51,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:52:51,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:52:51,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:52:51,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:52:51,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:52:51,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:52:51,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:52:51,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:52:51,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:52:51,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:52:51,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:52:51,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:52:51,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:52:51,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:52:51,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:52:51,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:52:51,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:52:51,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:52:51,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:52:51,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:52:51,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:52:51,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:52:51,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:52:51,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:52:51,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:52:51,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:52:51,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:52:51,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:52:51,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:52:51,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:52:51,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:52:51,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:52:51,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:52:51,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:52:51,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:52:51,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:52:51,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:52:51,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:52:51,549 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:52:51,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:52:51,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:52:51,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:52:51,550 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:52:51,550 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:52:51,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:52:51,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:51,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:52:51,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:52:51,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:52:51,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:52:51,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:52:51,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:52:51,552 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_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 309c1223d511a98b069ba0dc8b285e4b3d7356cb431482b5d825e2f9650444b5 [2022-11-21 22:52:51,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:52:51,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:52:51,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:52:51,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:52:51,920 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:52:51,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_good.i [2022-11-21 22:52:54,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:52:55,290 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:52:55,291 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_32_good.i [2022-11-21 22:52:55,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/data/7c6db7a5c/fd9af09507cc468498c86915f93aa3fb/FLAGa2435210e [2022-11-21 22:52:55,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/data/7c6db7a5c/fd9af09507cc468498c86915f93aa3fb [2022-11-21 22:52:55,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:52:55,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:52:55,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:55,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:52:55,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:52:55,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:55" (1/1) ... [2022-11-21 22:52:55,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a402e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:55, skipping insertion in model container [2022-11-21 22:52:55,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:55" (1/1) ... [2022-11-21 22:52:55,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:52:55,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:52:55,877 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:52:56,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:56,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:52:56,356 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:52:56,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:56,591 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:52:56,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56 WrapperNode [2022-11-21 22:52:56,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:56,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:52:56,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:52:56,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:52:56,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,679 INFO L138 Inliner]: procedures = 501, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2022-11-21 22:52:56,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:52:56,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:52:56,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:52:56,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:52:56,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:52:56,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:52:56,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:52:56,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:52:56,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:56" (1/1) ... [2022-11-21 22:52:56,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:56,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:52:56,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:52:56,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:52:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:52:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:52:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:52:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:52:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:52:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:52:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:52:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:52:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:52:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:52:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:52:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:52:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:52:57,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:52:57,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:52:57,212 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:52:57,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:52:57,269 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:52:57,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:52:57 BoogieIcfgContainer [2022-11-21 22:52:57,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:52:57,273 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:52:57,273 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:52:57,285 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:52:57,285 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:52:57" (1/1) ... [2022-11-21 22:52:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:52:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 22:52:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 22:52:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:52:57,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:57,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 22:52:57,769 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 22:52:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:52:57,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:57,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 22:52:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 22:52:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:52:58,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:58,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-21 22:52:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 22:52:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:52:58,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-21 22:52:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-21 22:52:58,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:52:58,526 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 22:52:58,536 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:52:58,571 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:52:58,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:52:58 ImpRootNode [2022-11-21 22:52:58,577 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:52:58,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:52:58,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:52:58,579 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:52:58,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:52:57" (3/4) ... [2022-11-21 22:52:58,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:52:58,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:52:58,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:52:58,599 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-21 22:52:58,600 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 22:52:58,600 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:52:58,600 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:52:58,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:52:58,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:52:58,687 INFO L158 Benchmark]: Toolchain (without parser) took 3325.80ms. Allocated memory is still 167.8MB. Free memory was 125.6MB in the beginning and 84.3MB in the end (delta: 41.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-21 22:52:58,687 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 111.1MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:52:58,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1242.18ms. Allocated memory is still 167.8MB. Free memory was 124.8MB in the beginning and 83.1MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 22:52:58,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.07ms. Allocated memory is still 167.8MB. Free memory was 83.1MB in the beginning and 80.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:58,689 INFO L158 Benchmark]: Boogie Preprocessor took 54.97ms. Allocated memory is still 167.8MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:58,689 INFO L158 Benchmark]: RCFGBuilder took 536.83ms. Allocated memory is still 167.8MB. Free memory was 78.9MB in the beginning and 61.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:52:58,689 INFO L158 Benchmark]: CodeCheck took 1304.62ms. Allocated memory is still 167.8MB. Free memory was 61.4MB in the beginning and 87.3MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:52:58,690 INFO L158 Benchmark]: Witness Printer took 95.58ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 84.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:58,692 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 42 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: 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: 1605]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 111.1MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1242.18ms. Allocated memory is still 167.8MB. Free memory was 124.8MB in the beginning and 83.1MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.07ms. Allocated memory is still 167.8MB. Free memory was 83.1MB in the beginning and 80.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.97ms. Allocated memory is still 167.8MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.83ms. Allocated memory is still 167.8MB. Free memory was 78.9MB in the beginning and 61.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1304.62ms. Allocated memory is still 167.8MB. Free memory was 61.4MB in the beginning and 87.3MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.58ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 84.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:52:58,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fa94cf-7c9a-4138-b0e4-bac2adc78f74/bin/ukojak-jW3SillKbg/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