./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_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_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/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_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/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_8e0e0851-23ef-4218-b535-385278e5df4b/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 a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 --- 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 23:38:51,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:38:51,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:38:51,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:38:51,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:38:51,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:38:51,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:38:51,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:38:51,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:38:51,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:38:51,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:38:51,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:38:51,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:38:51,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:38:51,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:38:51,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:38:51,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:38:51,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:38:51,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:38:51,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:38:51,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:38:51,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:38:51,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:38:51,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:38:51,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:38:51,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:38:51,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:38:51,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:38:51,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:38:51,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:38:51,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:38:51,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:38:51,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:38:51,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:38:51,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:38:51,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:38:51,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:38:51,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:38:51,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:38:51,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:38:51,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:38:51,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:38:51,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:38:51,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:38:51,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:38:51,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:38:51,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:38:51,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:38:51,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:38:51,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:38:51,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:38:51,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:38:51,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:38:51,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:38:51,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:38:51,628 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:38:51,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:38:51,628 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:38:51,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:38:51,629 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:38:51,629 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:38:51,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:38:51,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:51,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:38:51,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:38:51,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:38:51,631 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:38:51,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:38:51,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:38:51,632 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_8e0e0851-23ef-4218-b535-385278e5df4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 [2022-11-21 23:38:51,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:38:51,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:38:51,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:38:51,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:38:51,953 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:38:51,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2022-11-21 23:38:54,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:38:55,229 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:38:55,229 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2022-11-21 23:38:55,251 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/data/f7ae7b1eb/2cc01ff4c62f4956861697de5c3e3e44/FLAG7242fc256 [2022-11-21 23:38:55,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/data/f7ae7b1eb/2cc01ff4c62f4956861697de5c3e3e44 [2022-11-21 23:38:55,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:38:55,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:38:55,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:55,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:38:55,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:38:55,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:55" (1/1) ... [2022-11-21 23:38:55,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9e0bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:55, skipping insertion in model container [2022-11-21 23:38:55,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:55" (1/1) ... [2022-11-21 23:38:55,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:38:55,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:38:55,752 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:38:56,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:38:56,409 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:38:56,437 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:38:56,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:38:56,669 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:38:56,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56 WrapperNode [2022-11-21 23:38:56,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:56,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:38:56,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:38:56,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:38:56,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,725 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 68 [2022-11-21 23:38:56,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:38:56,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:38:56,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:38:56,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:38:56,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:38:56,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:38:56,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:38:56,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:38:56,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:56" (1/1) ... [2022-11-21 23:38:56,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:56,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:38:56,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:38:56,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:38:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:38:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:38:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:38:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:38:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:38:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:38:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:38:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:38:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:38:57,066 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:38:57,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:38:57,311 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:38:57,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:38:57,397 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:38:57,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:57 BoogieIcfgContainer [2022-11-21 23:38:57,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:38:57,401 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:38:57,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:38:57,411 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:38:57,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:57" (1/1) ... [2022-11-21 23:38:57,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:38:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-21 23:38:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 23:38:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:38:57,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:58,028 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 23:38:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-21 23:38:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 23:38:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:38:58,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:58,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:58,182 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 23:38:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-21 23:38:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-21 23:38:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:38:58,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:58,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:38:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-21 23:38:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-21 23:38:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:38:58,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:58,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:38:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-21 23:38:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 23:38:58,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:38:58,596 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 23:38:58,605 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:38:58,631 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:38:58,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:38:58 ImpRootNode [2022-11-21 23:38:58,636 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:38:58,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:38:58,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:38:58,637 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:38:58,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:57" (3/4) ... [2022-11-21 23:38:58,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:38:58,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:38:58,647 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:38:58,651 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-21 23:38:58,651 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:38:58,651 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:38:58,652 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:38:58,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:38:58,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:38:58,717 INFO L158 Benchmark]: Toolchain (without parser) took 3444.11ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 95.4MB in the beginning and 136.3MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:58,717 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 140.5MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:58,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1396.39ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 84.2MB in the end (delta: 10.9MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-21 23:38:58,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.98ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 80.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:38:58,719 INFO L158 Benchmark]: Boogie Preprocessor took 47.65ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:58,720 INFO L158 Benchmark]: RCFGBuilder took 625.23ms. Allocated memory is still 140.5MB. Free memory was 79.0MB in the beginning and 60.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:38:58,721 INFO L158 Benchmark]: CodeCheck took 1235.16ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 60.1MB in the beginning and 139.4MB in the end (delta: -79.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:58,723 INFO L158 Benchmark]: Witness Printer took 79.58ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 136.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:38:58,727 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, 24 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, 84 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 26 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1591]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 140.5MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1396.39ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 84.2MB in the end (delta: 10.9MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.98ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 80.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.65ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 625.23ms. Allocated memory is still 140.5MB. Free memory was 79.0MB in the beginning and 60.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1235.16ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 60.1MB in the beginning and 139.4MB in the end (delta: -79.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.58ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 136.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:38:58,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0e0851-23ef-4218-b535-385278e5df4b/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