./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_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_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/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_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/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_4cc3762c-69f5-4f27-bc42-03cecc13f90b/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 74cb3ae5c22e8415e36a15a8b8433c7b3ff2286d58ba48a574d3e7781ee02a1e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:38:52,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:38:52,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:38:52,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:38:52,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:38:52,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:38:52,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:38:52,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:38:52,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:38:52,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:38:52,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:38:52,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:38:52,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:38:52,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:38:52,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:38:52,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:38:52,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:38:52,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:38:52,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:38:52,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:38:52,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:38:52,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:38:52,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:38:52,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:38:52,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:38:52,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:38:52,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:38:52,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:38:52,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:38:52,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:38:52,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:38:52,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:38:52,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:38:52,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:38:52,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:38:52,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:38:52,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:38:52,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:38:52,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:38:52,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:38:52,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:38:52,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:38:52,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:38:52,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:38:52,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:38:52,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:38:52,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:38:52,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:38:52,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:38:52,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:38:52,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:38:52,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:38:52,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:38:52,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:38:52,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:38:52,729 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:38:52,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:38:52,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:38:52,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:38:52,730 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:38:52,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:38:52,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:38:52,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:52,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:38:52,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:38:52,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:38:52,732 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:38:52,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:38:52,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:38:52,733 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_4cc3762c-69f5-4f27-bc42-03cecc13f90b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74cb3ae5c22e8415e36a15a8b8433c7b3ff2286d58ba48a574d3e7781ee02a1e [2022-11-20 17:38:52,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:38:53,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:38:53,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:38:53,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:38:53,025 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:38:53,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_good.i [2022-11-20 17:38:56,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:38:56,470 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:38:56,470 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_32_good.i [2022-11-20 17:38:56,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/data/731203b08/8cb5899fb8484b7da2af8f2bda21671d/FLAGcfd2ebe25 [2022-11-20 17:38:56,512 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/data/731203b08/8cb5899fb8484b7da2af8f2bda21671d [2022-11-20 17:38:56,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:38:56,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:38:56,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:56,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:38:56,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:38:56,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:56" (1/1) ... [2022-11-20 17:38:56,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3408a0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:56, skipping insertion in model container [2022-11-20 17:38:56,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:56" (1/1) ... [2022-11-20 17:38:56,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:38:56,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:38:57,040 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:38:57,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:57,647 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:38:57,680 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:38:57,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:57,966 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:38:57,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57 WrapperNode [2022-11-20 17:38:57,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:57,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:57,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:38:57,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:38:57,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,029 INFO L138 Inliner]: procedures = 502, calls = 79, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 85 [2022-11-20 17:38:58,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:58,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:38:58,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:38:58,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:38:58,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:38:58,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:38:58,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:38:58,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:38:58,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:57" (1/1) ... [2022-11-20 17:38:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:38:58,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:38:58,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:38:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:38:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:38:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:38:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:38:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:38:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:38:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:38:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:38:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:38:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:38:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:38:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:38:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:38:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:38:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:38:58,378 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:38:58,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:38:58,599 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:38:58,660 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:38:58,660 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:38:58,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:58 BoogieIcfgContainer [2022-11-20 17:38:58,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:38:58,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:38:58,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:38:58,682 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:38:58,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:58" (1/1) ... [2022-11-20 17:38:58,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:38:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-11-20 17:38:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-20 17:38:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:38:58,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:58,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-11-20 17:38:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-20 17:38:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:38:59,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-11-20 17:38:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-20 17:38:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:38:59,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:59,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-11-20 17:38:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-11-20 17:38:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:38:59,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:59,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-11-20 17:39:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-20 17:39:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:39:00,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:00,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-20 17:39:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-20 17:39:00,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:39:00,355 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 17:39:00,365 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:39:00,398 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:39:00,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:39:00 ImpRootNode [2022-11-20 17:39:00,404 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:39:00,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:39:00,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:39:00,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:39:00,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:58" (3/4) ... [2022-11-20 17:39:00,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:39:00,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:39:00,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:39:00,425 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 17:39:00,425 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 17:39:00,426 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:39:00,426 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:39:00,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:39:00,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:39:00,485 INFO L158 Benchmark]: Toolchain (without parser) took 3965.96ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 104.1MB in the beginning and 94.8MB in the end (delta: 9.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,486 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 148.9MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:39:00,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.38ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 104.1MB in the beginning and 156.0MB in the end (delta: -51.9MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.60ms. Allocated memory is still 195.0MB. Free memory was 156.0MB in the beginning and 152.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,487 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 195.0MB. Free memory was 152.9MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,487 INFO L158 Benchmark]: RCFGBuilder took 609.60ms. Allocated memory is still 195.0MB. Free memory was 151.9MB in the beginning and 133.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,488 INFO L158 Benchmark]: CodeCheck took 1733.59ms. Allocated memory is still 195.0MB. Free memory was 133.0MB in the beginning and 97.9MB in the end (delta: 35.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,488 INFO L158 Benchmark]: Witness Printer took 78.45ms. Allocated memory is still 195.0MB. Free memory was 97.9MB in the beginning and 94.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:39:00,490 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, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 80 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: 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: 1615]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 148.9MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.38ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 104.1MB in the beginning and 156.0MB in the end (delta: -51.9MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.60ms. Allocated memory is still 195.0MB. Free memory was 156.0MB in the beginning and 152.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 195.0MB. Free memory was 152.9MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.60ms. Allocated memory is still 195.0MB. Free memory was 151.9MB in the beginning and 133.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1733.59ms. Allocated memory is still 195.0MB. Free memory was 133.0MB in the beginning and 97.9MB in the end (delta: 35.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Witness Printer took 78.45ms. Allocated memory is still 195.0MB. Free memory was 97.9MB in the beginning and 94.8MB 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 17:39:00,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc3762c-69f5-4f27-bc42-03cecc13f90b/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