./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_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_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/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_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/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_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/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 7bf21a3e1e114bffc19370352e28c32d3665056e9fe88e223bf8fe7ed0e63863 --- 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 17:47:42,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:47:42,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:47:42,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:47:42,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:47:42,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:47:42,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:47:42,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:47:42,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:47:42,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:47:42,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:47:42,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:47:42,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:47:42,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:47:42,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:47:42,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:47:42,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:47:42,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:47:42,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:47:42,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:47:42,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:47:42,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:47:42,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:47:42,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:47:42,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:47:42,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:47:42,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:47:42,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:47:42,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:47:42,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:47:42,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:47:42,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:47:42,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:47:42,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:47:42,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:47:42,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:47:42,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:47:42,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:47:42,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:47:42,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:47:42,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:47:42,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:47:42,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:47:42,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:47:42,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:47:42,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:47:42,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:47:42,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:47:42,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:47:42,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:47:42,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:47:42,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:47:42,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:47:42,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:47:42,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:47:42,800 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:47:42,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:47:42,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:47:42,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:47:42,801 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:47:42,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:47:42,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:47:42,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:47:42,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:47:42,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:47:42,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:47:42,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:47:42,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:47:42,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:47:42,803 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_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf21a3e1e114bffc19370352e28c32d3665056e9fe88e223bf8fe7ed0e63863 [2022-11-20 17:47:43,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:47:43,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:47:43,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:47:43,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:47:43,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:47:43,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-11-20 17:47:46,232 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:47:46,606 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:47:46,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-11-20 17:47:46,641 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/data/18067f6cf/95e64f79e6cf45e296a4e39caf3adfc9/FLAGc5629fcb7 [2022-11-20 17:47:46,659 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/data/18067f6cf/95e64f79e6cf45e296a4e39caf3adfc9 [2022-11-20 17:47:46,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:47:46,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:47:46,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:47:46,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:47:46,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:47:46,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:46" (1/1) ... [2022-11-20 17:47:46,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c1dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:46, skipping insertion in model container [2022-11-20 17:47:46,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:46" (1/1) ... [2022-11-20 17:47:46,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:47:46,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:47:47,236 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:47:47,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:47:47,712 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:47:47,734 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:47:47,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:47:47,908 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:47:47,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47 WrapperNode [2022-11-20 17:47:47,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:47:47,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:47:47,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:47:47,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:47:47,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,968 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2022-11-20 17:47:47,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:47:47,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:47:47,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:47:47,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:47:47,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:47,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:47:48,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:47:48,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:47:48,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:47:48,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:47" (1/1) ... [2022-11-20 17:47:48,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:47:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:47:48,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:47:48,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:47:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:47:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:47:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:47:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:47:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:47:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:47:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:47:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 17:47:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 17:47:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:47:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:47:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:47:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:47:48,295 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:47:48,298 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:47:48,446 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:47:48,506 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:47:48,506 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:47:48,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:48 BoogieIcfgContainer [2022-11-20 17:47:48,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:47:48,510 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:47:48,510 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:47:48,518 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:47:48,518 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:48" (1/1) ... [2022-11-20 17:47:48,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:47:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-20 17:47:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 17:47:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:47:48,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:48,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:48,934 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 17:47:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-20 17:47:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 17:47:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:47:49,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:49,254 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 17:47:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 45 transitions. [2022-11-20 17:47:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:47:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:47:49,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:49,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:49,782 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 17:47:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2022-11-20 17:47:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 17:47:50,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:47:50,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:50,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 50 transitions. [2022-11-20 17:47:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-20 17:47:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:47:51,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 49 transitions. [2022-11-20 17:47:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-20 17:47:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:47:51,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:51,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 45 transitions. [2022-11-20 17:47:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:47:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:47:52,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:52,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 40 transitions. [2022-11-20 17:47:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-11-20 17:47:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:47:52,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:52,762 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 17:47:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 39 transitions. [2022-11-20 17:47:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-20 17:47:52,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:47:52,934 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:47:52,942 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:47:53,048 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:47:53,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:47:53 ImpRootNode [2022-11-20 17:47:53,054 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:47:53,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:47:53,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:47:53,056 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:47:53,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:48" (3/4) ... [2022-11-20 17:47:53,061 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:47:53,067 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:47:53,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:47:53,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 17:47:53,072 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 17:47:53,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:47:53,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:47:53,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:47:53,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:47:53,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:47:53,118 INFO L158 Benchmark]: Toolchain (without parser) took 6450.94ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 117.5MB in the beginning and 150.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:47:53,118 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:47:53,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1238.81ms. Allocated memory is still 157.3MB. Free memory was 117.5MB in the beginning and 70.2MB in the end (delta: 47.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 17:47:53,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.05ms. Allocated memory is still 157.3MB. Free memory was 70.2MB in the beginning and 67.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:53,120 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 157.3MB. Free memory was 67.3MB in the beginning and 66.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:53,121 INFO L158 Benchmark]: RCFGBuilder took 509.32ms. Allocated memory is still 157.3MB. Free memory was 66.0MB in the beginning and 50.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:47:53,121 INFO L158 Benchmark]: CodeCheck took 4544.46ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 50.6MB in the beginning and 152.3MB in the end (delta: -101.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-11-20 17:47:53,122 INFO L158 Benchmark]: Witness Printer took 61.05ms. Allocated memory is still 188.7MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:53,125 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, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 361 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 203 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 623 IncrementalHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 237 mSolverCounterUnsat, 203 mSDtfsCounter, 623 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1121 GetRequests, 1036 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1994 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 15/15 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: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1238.81ms. Allocated memory is still 157.3MB. Free memory was 117.5MB in the beginning and 70.2MB in the end (delta: 47.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.05ms. Allocated memory is still 157.3MB. Free memory was 70.2MB in the beginning and 67.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 157.3MB. Free memory was 67.3MB in the beginning and 66.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.32ms. Allocated memory is still 157.3MB. Free memory was 66.0MB in the beginning and 50.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 4544.46ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 50.6MB in the beginning and 152.3MB in the end (delta: -101.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 61.05ms. Allocated memory is still 188.7MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:47:53,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cdc4fd-cf29-4949-a4c8-5a84e0479c7f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE