./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f9c43ca7bb9e2f5daf51acedb5e684f21cc1a964f2d4b07cd8704c77ba32942d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:15:33,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:15:33,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:15:33,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:15:33,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:15:33,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:15:33,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:15:33,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:15:33,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:15:33,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:15:33,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:15:33,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:15:33,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:15:33,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:15:33,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:15:33,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:15:33,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:15:33,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:15:33,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:15:33,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:15:33,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:15:33,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:15:33,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:15:33,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:15:33,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:15:33,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:15:33,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:15:33,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:15:33,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:15:33,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:15:33,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:15:33,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:15:33,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:15:33,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:15:33,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:15:33,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:15:33,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:15:33,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:15:33,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:15:33,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:15:33,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:15:33,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:15:33,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:15:33,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:15:33,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:15:33,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:15:33,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:15:33,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:15:33,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:15:33,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:15:33,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:15:33,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:15:33,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:15:33,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:15:33,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:15:33,846 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:15:33,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:15:33,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:15:33,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:15:33,846 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:15:33,847 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:15:33,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:15:33,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:15:33,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:15:33,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:15:33,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:15:33,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:15:33,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:15:33,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:15:33,848 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_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9c43ca7bb9e2f5daf51acedb5e684f21cc1a964f2d4b07cd8704c77ba32942d [2022-11-20 18:15:34,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:15:34,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:15:34,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:15:34,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:15:34,145 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:15:34,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i [2022-11-20 18:15:37,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:15:37,514 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:15:37,514 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i [2022-11-20 18:15:37,533 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/data/8e6cfc91f/368c78eeaecb4a298604628457449d13/FLAG4d5f3807b [2022-11-20 18:15:37,547 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/data/8e6cfc91f/368c78eeaecb4a298604628457449d13 [2022-11-20 18:15:37,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:15:37,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:15:37,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:15:37,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:15:37,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:15:37,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:37" (1/1) ... [2022-11-20 18:15:37,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27556768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:37, skipping insertion in model container [2022-11-20 18:15:37,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:37" (1/1) ... [2022-11-20 18:15:37,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:15:37,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:15:38,018 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:15:38,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:15:38,602 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:15:38,622 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:15:38,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:15:38,848 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:15:38,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38 WrapperNode [2022-11-20 18:15:38,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:15:38,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:15:38,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:15:38,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:15:38,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,907 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-11-20 18:15:38,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:15:38,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:15:38,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:15:38,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:15:38,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:15:38,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:15:38,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:15:38,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:15:38,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:38" (1/1) ... [2022-11-20 18:15:38,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:15:39,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:15:39,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:15:39,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:15:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:15:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:15:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:15:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:15:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:15:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:15:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:15:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:15:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:15:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:15:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:15:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:15:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:15:39,311 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:15:39,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:15:39,539 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:15:39,587 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:15:39,587 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:15:39,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:39 BoogieIcfgContainer [2022-11-20 18:15:39,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:15:39,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:15:39,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:15:39,614 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:15:39,614 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:39" (1/1) ... [2022-11-20 18:15:39,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:15:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-20 18:15:39,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-20 18:15:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:15:39,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:39,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 18:15:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 18:15:40,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:15:40,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:40,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 18:15:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 18:15:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:40,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 18:15:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 18:15:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:15:40,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:40,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:40,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-20 18:15:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-20 18:15:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:15:40,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:40,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:15:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 28 transitions. [2022-11-20 18:15:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 18:15:40,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:15:40,858 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 18:15:40,871 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:15:40,905 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:15:40,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:15:40 ImpRootNode [2022-11-20 18:15:40,911 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:15:40,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:15:40,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:15:40,914 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:15:40,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:39" (3/4) ... [2022-11-20 18:15:40,921 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:15:40,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:15:40,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:15:40,947 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-20 18:15:40,947 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:15:40,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:15:40,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:15:41,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:15:41,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:15:41,015 INFO L158 Benchmark]: Toolchain (without parser) took 3462.18ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 88.8MB in the beginning and 124.6MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:15:41,017 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 130.0MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:15:41,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.44ms. Allocated memory is still 130.0MB. Free memory was 88.8MB in the beginning and 74.4MB in the end (delta: 14.5MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2022-11-20 18:15:41,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.07ms. Allocated memory is still 130.0MB. Free memory was 74.4MB in the beginning and 71.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:15:41,019 INFO L158 Benchmark]: Boogie Preprocessor took 56.58ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:15:41,020 INFO L158 Benchmark]: RCFGBuilder took 623.26ms. Allocated memory is still 130.0MB. Free memory was 69.6MB in the beginning and 55.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:15:41,020 INFO L158 Benchmark]: CodeCheck took 1308.23ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 54.4MB in the beginning and 127.8MB in the end (delta: -73.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:15:41,020 INFO L158 Benchmark]: Witness Printer took 100.68ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:15:41,024 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 79 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 434 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 130.0MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.44ms. Allocated memory is still 130.0MB. Free memory was 88.8MB in the beginning and 74.4MB in the end (delta: 14.5MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.07ms. Allocated memory is still 130.0MB. Free memory was 74.4MB in the beginning and 71.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.58ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 623.26ms. Allocated memory is still 130.0MB. Free memory was 69.6MB in the beginning and 55.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1308.23ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 54.4MB in the beginning and 127.8MB in the end (delta: -73.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.68ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:15:41,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb91e7a-fe4d-4455-9e8a-d21898e01d18/bin/ukojak-pZX7IvK2PQ/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