./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_04_bad.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_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/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_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/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_41bf249d-b807-4c34-8318-bbd9fa139522/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 f5ad2493d011070f51a850b2ae53f89d0a76cf1c8a236d00cb54674f3037d0e5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:01:56,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:01:56,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:01:56,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:01:56,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:01:56,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:01:56,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:01:56,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:01:56,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:01:56,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:01:56,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:01:56,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:01:56,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:01:56,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:01:56,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:01:56,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:01:56,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:01:56,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:01:56,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:01:56,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:01:56,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:01:56,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:01:56,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:01:56,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:01:56,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:01:56,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:01:56,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:01:56,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:01:56,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:01:56,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:01:56,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:01:56,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:01:56,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:01:56,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:01:56,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:01:56,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:01:56,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:01:56,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:01:56,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:01:56,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:01:56,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:01:56,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:01:56,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:01:56,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:01:56,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:01:56,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:01:56,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:01:56,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:01:56,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:01:56,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:01:56,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:01:56,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:01:56,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:01:56,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:01:56,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:01:56,610 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:01:56,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:01:56,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:01:56,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:01:56,611 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:01:56,611 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:01:56,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:01:56,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:56,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:01:56,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:01:56,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:01:56,613 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:01:56,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:01:56,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:01:56,614 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_41bf249d-b807-4c34-8318-bbd9fa139522/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5ad2493d011070f51a850b2ae53f89d0a76cf1c8a236d00cb54674f3037d0e5 [2022-11-20 18:01:56,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:01:56,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:01:56,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:01:56,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:01:56,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:01:56,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_04_bad.i [2022-11-20 18:01:59,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:02:00,358 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:02:00,366 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_04_bad.i [2022-11-20 18:02:00,392 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/data/700bdfc40/45ce8ddedf344fa080123134f67bce55/FLAG3b2a437cd [2022-11-20 18:02:00,410 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/data/700bdfc40/45ce8ddedf344fa080123134f67bce55 [2022-11-20 18:02:00,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:02:00,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:02:00,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:00,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:02:00,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:02:00,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:00" (1/1) ... [2022-11-20 18:02:00,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de879ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:00, skipping insertion in model container [2022-11-20 18:02:00,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:00" (1/1) ... [2022-11-20 18:02:00,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:02:00,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:02:00,914 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:02:01,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:01,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:02:01,503 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:02:01,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:01,723 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:02:01,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01 WrapperNode [2022-11-20 18:02:01,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:01,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:01,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:02:01,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:02:01,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,874 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2022-11-20 18:02:01,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:01,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:02:01,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:02:01,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:02:01,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:02:01,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:02:01,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:02:01,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:02:01,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:01" (1/1) ... [2022-11-20 18:02:01,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:01,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:02:01,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:02:01,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:02:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:02:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:02:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:02:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:02:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:02:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:02:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:02:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:02:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:02:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:02:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:02:02,157 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:02:02,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:02:02,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:02:02,378 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:02:02,378 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:02:02,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:02 BoogieIcfgContainer [2022-11-20 18:02:02,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:02:02,382 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:02:02,382 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:02:02,392 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:02:02,393 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:02" (1/1) ... [2022-11-20 18:02:02,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:02:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-20 18:02:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-20 18:02:02,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:02,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:02,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 18:02:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 18:02:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:02:02,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:02,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:02,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:02:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:03,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:02:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:03,202 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:02:03,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:02:03 ImpRootNode [2022-11-20 18:02:03,263 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:02:03,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:02:03,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:02:03,265 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:02:03,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:02" (3/4) ... [2022-11-20 18:02:03,270 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:02:03,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:02:03,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:02:03,320 INFO L158 Benchmark]: Toolchain (without parser) took 2902.10ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 64.0MB in the end (delta: 49.4MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-11-20 18:02:03,321 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 113.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:03,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1302.47ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 52.2MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 18:02:03,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.75ms. Allocated memory is still 146.8MB. Free memory was 51.8MB in the beginning and 115.9MB in the end (delta: -64.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-20 18:02:03,323 INFO L158 Benchmark]: Boogie Preprocessor took 46.53ms. Allocated memory is still 146.8MB. Free memory was 115.9MB in the beginning and 114.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:03,323 INFO L158 Benchmark]: RCFGBuilder took 458.90ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 99.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:02:03,324 INFO L158 Benchmark]: CodeCheck took 881.70ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 66.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 18:02:03,324 INFO L158 Benchmark]: Witness Printer took 55.10ms. Allocated memory is still 146.8MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:03,328 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 1562]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=16, argc=16, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_multiply_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1560] EXPR \read(data) VAL [\read(data)=-1073741825, data={8367:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1560] COND TRUE data < 0 [L1562] EXPR \read(data) VAL [\read(data)=-1073741825, data={8367:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1562] data * 2 VAL [\read(data)=-1073741825, data={8367:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 113.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1302.47ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 52.2MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.75ms. Allocated memory is still 146.8MB. Free memory was 51.8MB in the beginning and 115.9MB in the end (delta: -64.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.53ms. Allocated memory is still 146.8MB. Free memory was 115.9MB in the beginning and 114.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.90ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 99.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 881.70ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 66.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 55.10ms. Allocated memory is still 146.8MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:02:03,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bf249d-b807-4c34-8318-bbd9fa139522/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)