./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4 --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 1fa8bea89d33f67de0a268379fa0d33c16652631b335bf53d8fb3d254bdbd2e2 --- 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-2329fc7 [2022-12-15 03:50:37,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:50:37,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:50:37,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:50:37,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:50:37,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:50:37,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:50:37,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:50:37,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:50:37,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:50:37,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:50:37,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:50:37,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:50:37,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:50:37,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:50:37,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:50:37,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:50:37,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:50:37,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:50:37,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:50:37,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:50:37,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:50:37,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:50:37,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:50:37,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:50:37,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:50:37,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:50:37,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:50:37,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:50:37,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:50:37,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:50:37,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:50:37,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:50:37,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:50:37,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:50:37,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:50:37,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:50:37,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:50:37,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:50:37,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:50:37,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:50:37,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:50:37,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:50:37,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:50:37,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:50:37,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:50:37,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:50:37,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:50:37,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:50:37,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:50:37,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:50:37,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:50:37,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:50:37,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:50:37,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:50:37,769 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:50:37,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:50:37,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:50:37,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:50:37,770 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:50:37,770 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:50:37,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:50:37,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:50:37,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:50:37,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:50:37,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:50:37,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:50:37,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:50:37,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:50:37,772 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_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa8bea89d33f67de0a268379fa0d33c16652631b335bf53d8fb3d254bdbd2e2 [2022-12-15 03:50:37,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:50:37,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:50:37,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:50:37,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:50:37,999 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:50:38,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_good.i [2022-12-15 03:50:40,741 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:50:40,962 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:50:40,963 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_good.i [2022-12-15 03:50:40,976 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/data/49e1e0563/bf39dfb9d44443d2891364d9d070f434/FLAGc0488d25e [2022-12-15 03:50:40,989 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/data/49e1e0563/bf39dfb9d44443d2891364d9d070f434 [2022-12-15 03:50:40,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:50:40,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:50:40,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:50:40,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:50:40,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:50:40,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:50:40" (1/1) ... [2022-12-15 03:50:40,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53408523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:40, skipping insertion in model container [2022-12-15 03:50:40,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:50:40" (1/1) ... [2022-12-15 03:50:41,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:50:41,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:50:41,284 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:50:41,578 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:50:41,582 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:50:41,584 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:50:41,585 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:50:41,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:50:41,616 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:50:41,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:50:41,625 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:50:41,642 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:50:41,680 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:50:41,681 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:50:41,682 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:50:41,685 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:50:41,685 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:50:41,693 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:50:41,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:50:41,842 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:50:41,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41 WrapperNode [2022-12-15 03:50:41,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:50:41,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:50:41,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:50:41,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:50:41,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,880 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2022-12-15 03:50:41,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:50:41,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:50:41,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:50:41,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:50:41,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:50:41,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:50:41,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:50:41,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:50:41,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:50:41" (1/1) ... [2022-12-15 03:50:41,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:50:41,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:50:41,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:50:41,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:50:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:50:41,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:50:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:50:41,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:50:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:50:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:50:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:50:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:50:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:50:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:50:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:50:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:50:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:50:42,070 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:50:42,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:50:42,227 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:50:42,288 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:50:42,288 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:50:42,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:50:42 BoogieIcfgContainer [2022-12-15 03:50:42,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:50:42,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:50:42,291 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:50:42,298 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:50:42,298 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:50:42" (1/1) ... [2022-12-15 03:50:42,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:50:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:50:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-12-15 03:50:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-15 03:50:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:50:42,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:50:42,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:50:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:50:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:50:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:50:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-15 03:50:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-15 03:50:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:50:42,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:50:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:50:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:50:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:50:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:50:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-12-15 03:50:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-15 03:50:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:50:42,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:50:42,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:50:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:50:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:50:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:50:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-15 03:50:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-15 03:50:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:50:42,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:50:42,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:50:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:50:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:50:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:50:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-15 03:50:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-15 03:50:43,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:50:43,146 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-15 03:50:43,152 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 03:50:43,170 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:50:43,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:50:43 ImpRootNode [2022-12-15 03:50:43,174 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:50:43,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:50:43,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:50:43,175 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:50:43,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:50:42" (3/4) ... [2022-12-15 03:50:43,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:50:43,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:50:43,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:50:43,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-15 03:50:43,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 03:50:43,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 03:50:43,190 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:50:43,231 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:50:43,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:50:43,235 INFO L158 Benchmark]: Toolchain (without parser) took 2239.15ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 97.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-12-15 03:50:43,235 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 85.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:50:43,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.70ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 108.0MB in the end (delta: 481.5kB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2022-12-15 03:50:43,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.46ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:50:43,236 INFO L158 Benchmark]: Boogie Preprocessor took 22.15ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:50:43,237 INFO L158 Benchmark]: RCFGBuilder took 387.71ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 81.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 03:50:43,237 INFO L158 Benchmark]: CodeCheck took 883.47ms. Allocated memory is still 146.8MB. Free memory was 81.6MB in the beginning and 100.1MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:50:43,237 INFO L158 Benchmark]: Witness Printer took 56.39ms. Allocated memory is still 146.8MB. Free memory was 100.1MB in the beginning and 97.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:50:43,239 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: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 40 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 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: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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: 1600]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 85.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.70ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 108.0MB in the end (delta: 481.5kB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.46ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.15ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.71ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 81.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 883.47ms. Allocated memory is still 146.8MB. Free memory was 81.6MB in the beginning and 100.1MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.39ms. Allocated memory is still 146.8MB. Free memory was 100.1MB in the beginning and 97.0MB 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! [2022-12-15 03:50:43,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a188de-f7e0-46c2-a021-193f0d4460a0/bin/ukojak-rkRKPMF4O4/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