./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd25f4065252492fd72eb2914dbf05133535992d29d4e218c19e911561f90969 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:45:00,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:45:00,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:45:00,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:45:00,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:45:00,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:45:00,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:45:00,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:45:00,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:45:00,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:45:00,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:45:00,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:45:00,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:45:00,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:45:00,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:45:00,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:45:00,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:45:00,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:45:00,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:45:00,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:45:00,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:45:00,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:45:00,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:45:00,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:45:00,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:45:00,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:45:00,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:45:00,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:45:00,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:45:00,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:45:00,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:45:00,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:45:00,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:45:00,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:45:00,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:45:00,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:45:00,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:45:00,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:45:00,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:45:00,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:45:00,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:45:00,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:45:00,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:45:00,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:45:00,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:45:00,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:45:00,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:45:00,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:45:00,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:45:00,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:45:00,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:45:00,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:45:00,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:45:00,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:45:00,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:45:00,788 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:45:00,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:45:00,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:45:00,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:45:00,789 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:45:00,789 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:45:00,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:45:00,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:45:00,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:45:00,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:45:00,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:45:00,791 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:45:00,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:45:00,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:45:00,791 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_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd25f4065252492fd72eb2914dbf05133535992d29d4e218c19e911561f90969 [2022-11-21 23:45:01,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:45:01,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:45:01,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:45:01,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:45:01,145 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:45:01,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_good.i [2022-11-21 23:45:04,163 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:45:04,581 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:45:04,581 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_good.i [2022-11-21 23:45:04,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/data/2412473f4/980f3ea413a047f38f977ee8649af5e1/FLAG98b6be7ab [2022-11-21 23:45:04,633 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/data/2412473f4/980f3ea413a047f38f977ee8649af5e1 [2022-11-21 23:45:04,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:45:04,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:45:04,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:45:04,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:45:04,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:45:04,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:45:04" (1/1) ... [2022-11-21 23:45:04,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d644a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:04, skipping insertion in model container [2022-11-21 23:45:04,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:45:04" (1/1) ... [2022-11-21 23:45:04,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:45:04,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:45:05,154 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:45:05,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:45:05,740 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:45:05,774 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:45:05,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:45:06,035 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:45:06,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06 WrapperNode [2022-11-21 23:45:06,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:45:06,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:45:06,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:45:06,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:45:06,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,124 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-21 23:45:06,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:45:06,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:45:06,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:45:06,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:45:06,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:45:06,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:45:06,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:45:06,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:45:06,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:45:06,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:45:06,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:45:06,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:45:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:45:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:45:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:45:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:45:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:45:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:45:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:45:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:45:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:45:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:45:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:45:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:45:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:45:06,519 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:45:06,521 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:45:06,677 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:45:06,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:45:06,710 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:45:06,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:45:06 BoogieIcfgContainer [2022-11-21 23:45:06,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:45:06,713 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:45:06,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:45:06,723 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:45:06,724 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:45:06" (1/1) ... [2022-11-21 23:45:06,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:45:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-11-21 23:45:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-21 23:45:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:45:06,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:45:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:45:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:45:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:45:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-21 23:45:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 23:45:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:45:07,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:45:07,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:45:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:45:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:45:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-21 23:45:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-21 23:45:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:45:07,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:45:07,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:45:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:45:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:45:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-11-21 23:45:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-21 23:45:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:45:07,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:45:07,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:45:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:45:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:45:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:45:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-21 23:45:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-21 23:45:07,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:45:07,624 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 23:45:07,651 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:45:07,683 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:45:07,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:45:07 ImpRootNode [2022-11-21 23:45:07,688 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:45:07,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:45:07,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:45:07,691 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:45:07,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:45:06" (3/4) ... [2022-11-21 23:45:07,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:45:07,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:45:07,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:45:07,722 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-21 23:45:07,723 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:45:07,723 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:45:07,723 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:45:07,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:45:07,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:45:07,789 INFO L158 Benchmark]: Toolchain (without parser) took 3142.11ms. Allocated memory is still 182.5MB. Free memory was 146.8MB in the beginning and 145.0MB in the end (delta: 1.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,790 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 134.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:45:07,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.29ms. Allocated memory is still 182.5MB. Free memory was 146.3MB in the beginning and 135.2MB in the end (delta: 11.1MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.43ms. Allocated memory is still 182.5MB. Free memory was 135.2MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,793 INFO L158 Benchmark]: Boogie Preprocessor took 54.64ms. Allocated memory is still 182.5MB. Free memory was 132.1MB in the beginning and 131.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:45:07,794 INFO L158 Benchmark]: RCFGBuilder took 532.51ms. Allocated memory is still 182.5MB. Free memory was 131.0MB in the beginning and 115.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,794 INFO L158 Benchmark]: CodeCheck took 974.54ms. Allocated memory is still 182.5MB. Free memory was 115.3MB in the beginning and 148.1MB in the end (delta: -32.8MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,794 INFO L158 Benchmark]: Witness Printer took 97.00ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 145.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:45:07,798 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: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 56 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: 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: 1597]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 134.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.29ms. Allocated memory is still 182.5MB. Free memory was 146.3MB in the beginning and 135.2MB in the end (delta: 11.1MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.43ms. Allocated memory is still 182.5MB. Free memory was 135.2MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.64ms. Allocated memory is still 182.5MB. Free memory was 132.1MB in the beginning and 131.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 532.51ms. Allocated memory is still 182.5MB. Free memory was 131.0MB in the beginning and 115.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 974.54ms. Allocated memory is still 182.5MB. Free memory was 115.3MB in the beginning and 148.1MB in the end (delta: -32.8MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 97.00ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 145.0MB 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! [2022-11-21 23:45:07,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c82f34-58ea-4373-a130-92efbf13240c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE