./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_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_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/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_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/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_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/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 fe8305d84c1b84cbc69fd42b1356db5264f802790fab961151e37648b33807a8 --- 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 [2022-12-14 17:54:30,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:54:30,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:54:30,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:54:30,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:54:30,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:54:30,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:54:30,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:54:30,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:54:30,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:54:30,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:54:30,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:54:30,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:54:30,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:54:30,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:54:30,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:54:30,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:54:30,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:54:30,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:54:30,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:54:30,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:54:30,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:54:30,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:54:30,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:54:30,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:54:30,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:54:30,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:54:30,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:54:30,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:54:30,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:54:30,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:54:30,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:54:30,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:54:30,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:54:30,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:54:30,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:54:30,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:54:30,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:54:30,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:54:30,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:54:30,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:54:30,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 17:54:30,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:54:30,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:54:30,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:54:30,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:54:30,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:54:30,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:54:30,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:54:30,740 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 17:54:30,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:54:30,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:54:30,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:54:30,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:54:30,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:54:30,741 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 17:54:30,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:54:30,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:54:30,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:54:30,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:54:30,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:54:30,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:54:30,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:54:30,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:54:30,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:54:30,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:54:30,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:54:30,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:54:30,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:54:30,745 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_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8305d84c1b84cbc69fd42b1356db5264f802790fab961151e37648b33807a8 [2022-12-14 17:54:30,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:54:30,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:54:30,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:54:30,969 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:54:30,970 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:54:30,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i [2022-12-14 17:54:33,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:54:33,780 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:54:33,781 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i [2022-12-14 17:54:33,794 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/data/7ff9011b2/b0fb94532bba4aefb33963d3e435592e/FLAG598acb614 [2022-12-14 17:54:33,804 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/data/7ff9011b2/b0fb94532bba4aefb33963d3e435592e [2022-12-14 17:54:33,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:54:33,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:54:33,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:54:33,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:54:33,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:54:33,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:33" (1/1) ... [2022-12-14 17:54:33,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d5ed1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:33, skipping insertion in model container [2022-12-14 17:54:33,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:33" (1/1) ... [2022-12-14 17:54:33,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:54:33,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:54:34,150 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 17:54:34,458 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 17:54:34,464 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 17:54:34,466 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 17:54:34,468 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 17:54:34,469 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 17:54:34,503 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 17:54:34,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:54:34,513 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:54:34,533 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 17:54:34,575 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 17:54:34,577 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 17:54:34,578 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 17:54:34,580 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 17:54:34,581 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 17:54:34,588 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 17:54:34,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:54:34,725 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:54:34,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34 WrapperNode [2022-12-14 17:54:34,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:54:34,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:54:34,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:54:34,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:54:34,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,775 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2022-12-14 17:54:34,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:54:34,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:54:34,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:54:34,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:54:34,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:54:34,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:54:34,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:54:34,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:54:34,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:34" (1/1) ... [2022-12-14 17:54:34,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:54:34,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:54:34,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:54:34,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:54:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 17:54:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 17:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 17:54:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 17:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 17:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 17:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:54:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 17:54:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 17:54:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 17:54:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:54:34,978 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:54:34,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:54:35,123 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:54:35,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:54:35,152 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 17:54:35,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:35 BoogieIcfgContainer [2022-12-14 17:54:35,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:54:35,155 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:54:35,155 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:54:35,163 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:54:35,163 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:35" (1/1) ... [2022-12-14 17:54:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:54:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-12-14 17:54:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-12-14 17:54:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 17:54:35,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2022-12-14 17:54:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-14 17:54:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 17:54:35,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2022-12-14 17:54:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2022-12-14 17:54:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:54:35,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2022-12-14 17:54:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-12-14 17:54:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:54:35,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2022-12-14 17:54:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2022-12-14 17:54:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:54:35,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2022-12-14 17:54:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-12-14 17:54:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:54:35,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-12-14 17:54:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-12-14 17:54:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:54:35,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:35,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2022-12-14 17:54:36,028 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2022-12-14 17:54:36,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 17:54:36,028 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 17:54:36,036 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 17:54:36,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 17:54:36,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:54:36 ImpRootNode [2022-12-14 17:54:36,070 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:54:36,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:54:36,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:54:36,071 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:54:36,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:35" (3/4) ... [2022-12-14 17:54:36,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 17:54:36,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 17:54:36,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 17:54:36,082 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 17:54:36,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 17:54:36,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 17:54:36,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 17:54:36,113 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:54:36,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:54:36,114 INFO L158 Benchmark]: Toolchain (without parser) took 2307.07ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 95.0MB in the beginning and 97.7MB in the end (delta: -2.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-12-14 17:54:36,114 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:54:36,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.26ms. Allocated memory is still 125.8MB. Free memory was 95.0MB in the beginning and 91.4MB in the end (delta: 3.5MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-12-14 17:54:36,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.15ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 88.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 17:54:36,115 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:54:36,115 INFO L158 Benchmark]: RCFGBuilder took 351.55ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 68.9MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 17:54:36,115 INFO L158 Benchmark]: CodeCheck took 915.98ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 68.4MB in the beginning and 101.8MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:54:36,116 INFO L158 Benchmark]: Witness Printer took 42.69ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 97.7MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:54:36,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 364 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 240 IncrementalHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 190 mSDtfsCounter, 240 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1637]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 918.26ms. Allocated memory is still 125.8MB. Free memory was 95.0MB in the beginning and 91.4MB in the end (delta: 3.5MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.15ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 88.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.55ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 68.9MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 915.98ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 68.4MB in the beginning and 101.8MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.69ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 97.7MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 17:54:36,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da1641d-5a8f-452f-bb51-4666bdbf4a6c/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