./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/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_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/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_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/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 0e1ad59d358cc8237c1724bc8a17f9b2761d17d71ab58ae61c349b2206f4d4fb --- 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 17:34:51,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:34:51,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:34:51,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:34:51,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:34:51,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:34:51,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:34:51,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:34:51,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:34:51,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:34:51,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:34:51,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:34:51,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:34:51,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:34:51,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:34:51,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:34:51,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:34:51,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:34:51,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:34:51,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:34:51,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:34:51,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:34:51,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:34:51,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:34:51,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:34:51,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:34:51,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:34:51,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:34:51,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:34:51,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:34:51,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:34:51,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:34:51,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:34:51,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:34:51,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:34:51,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:34:51,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:34:51,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:34:51,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:34:51,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:34:51,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:34:51,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:34:51,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:34:51,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:34:51,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:34:51,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:34:51,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:34:51,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:34:51,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:34:51,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:34:51,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:34:51,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:34:51,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:34:51,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:34:51,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:34:51,791 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:34:51,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:34:51,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:34:51,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:34:51,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:34:51,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:34:51,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:34:51,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:51,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:34:51,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:34:51,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:34:51,793 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:34:51,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:34:51,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:34:51,794 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_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e1ad59d358cc8237c1724bc8a17f9b2761d17d71ab58ae61c349b2206f4d4fb [2022-11-20 17:34:52,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:34:52,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:34:52,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:34:52,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:34:52,139 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:34:52,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_21_good.i [2022-11-20 17:34:55,250 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:34:55,691 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:34:55,693 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_21_good.i [2022-11-20 17:34:55,723 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/data/36ff805b5/c28c437e80dc4f71b8abd697613410e7/FLAG50f3cd958 [2022-11-20 17:34:55,742 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/data/36ff805b5/c28c437e80dc4f71b8abd697613410e7 [2022-11-20 17:34:55,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:34:55,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:34:55,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:55,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:34:55,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:34:55,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:55" (1/1) ... [2022-11-20 17:34:55,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566a83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:55, skipping insertion in model container [2022-11-20 17:34:55,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:55" (1/1) ... [2022-11-20 17:34:55,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:34:55,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:34:56,214 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:34:56,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:56,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:34:56,792 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:34:56,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:57,126 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:34:57,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57 WrapperNode [2022-11-20 17:34:57,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:57,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:57,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:34:57,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:34:57,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,209 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2022-11-20 17:34:57,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:57,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:34:57,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:34:57,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:34:57,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:34:57,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:34:57,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:34:57,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:34:57,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:57,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:34:57,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:34:57,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:34:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:34:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:34:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:34:57,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:34:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:34:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:34:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:34:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:34:57,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:34:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:34:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:34:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:34:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:34:57,590 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:34:57,593 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:34:57,780 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:34:57,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:34:57,841 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:34:57,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:57 BoogieIcfgContainer [2022-11-20 17:34:57,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:34:57,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:34:57,845 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:34:57,860 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:34:57,860 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:57" (1/1) ... [2022-11-20 17:34:57,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:34:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-20 17:34:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-20 17:34:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:34:57,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:58,200 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 17:34:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-11-20 17:34:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-11-20 17:34:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:34:58,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:58,529 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 17:34:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-11-20 17:34:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-20 17:34:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:34:58,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:58,702 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 17:34:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 41 transitions. [2022-11-20 17:34:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-20 17:34:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:34:58,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:58,839 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 17:34:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2022-11-20 17:34:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 17:34:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:34:58,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:58,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:58,986 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 17:34:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 39 transitions. [2022-11-20 17:34:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-20 17:34:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:34:59,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:59,232 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 17:34:59,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 38 transitions. [2022-11-20 17:34:59,426 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-20 17:34:59,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:34:59,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:34:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 37 transitions. [2022-11-20 17:34:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-20 17:34:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:34:59,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:34:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 36 transitions. [2022-11-20 17:34:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-20 17:34:59,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:34:59,700 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:34:59,710 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 17:34:59,761 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:34:59,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:34:59 ImpRootNode [2022-11-20 17:34:59,768 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:34:59,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:34:59,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:34:59,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:34:59,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:57" (3/4) ... [2022-11-20 17:34:59,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:34:59,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:34:59,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:34:59,791 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:34:59,791 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:34:59,791 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:34:59,791 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:34:59,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:34:59,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:34:59,854 INFO L158 Benchmark]: Toolchain (without parser) took 4104.30ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 91.5MB in the beginning and 57.5MB in the end (delta: 33.9MB). Peak memory consumption was 99.5MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,854 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 140.5MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:59,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.04ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 90.9MB in the beginning and 150.7MB in the end (delta: -59.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.52ms. Allocated memory is still 205.5MB. Free memory was 150.7MB in the beginning and 147.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,855 INFO L158 Benchmark]: Boogie Preprocessor took 40.66ms. Allocated memory is still 205.5MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,855 INFO L158 Benchmark]: RCFGBuilder took 591.69ms. Allocated memory is still 205.5MB. Free memory was 146.5MB in the beginning and 127.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,856 INFO L158 Benchmark]: CodeCheck took 1923.74ms. Allocated memory is still 205.5MB. Free memory was 127.6MB in the beginning and 61.7MB in the end (delta: 65.9MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,856 INFO L158 Benchmark]: Witness Printer took 84.29ms. Allocated memory is still 205.5MB. Free memory was 61.7MB in the beginning and 57.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:59,858 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 413 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 236 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 260 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 218 mSDtfsCounter, 260 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 765 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1630]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 140.5MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.04ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 90.9MB in the beginning and 150.7MB in the end (delta: -59.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.52ms. Allocated memory is still 205.5MB. Free memory was 150.7MB in the beginning and 147.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.66ms. Allocated memory is still 205.5MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.69ms. Allocated memory is still 205.5MB. Free memory was 146.5MB in the beginning and 127.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1923.74ms. Allocated memory is still 205.5MB. Free memory was 127.6MB in the beginning and 61.7MB in the end (delta: 65.9MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Witness Printer took 84.29ms. Allocated memory is still 205.5MB. Free memory was 61.7MB in the beginning and 57.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:34:59,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778f15d6-b3f4-4ddd-9c49-dcf615d444eb/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