./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/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_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/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_e4f6250b-69a3-47da-8569-20b11d982271/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 61be2c02b1c6a48a0ade796ef932fc9f32a4b5ee89409761f46545bf82bedcd1 --- 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 17:24:36,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:24:36,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:24:36,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:24:36,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:24:36,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:24:36,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:24:36,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:24:36,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:24:36,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:24:36,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:24:36,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:24:36,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:24:36,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:24:36,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:24:36,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:24:36,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:24:36,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:24:36,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:24:36,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:24:36,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:24:36,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:24:36,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:24:36,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:24:36,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:24:36,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:24:36,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:24:36,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:24:36,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:24:36,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:24:36,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:24:36,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:24:36,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:24:36,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:24:36,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:24:36,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:24:36,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:24:36,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:24:36,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:24:36,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:24:36,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:24:36,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:24:36,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:24:36,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:24:36,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:24:36,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:24:36,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:24:36,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:24:36,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:24:36,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:24:36,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:24:36,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:24:36,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:24:36,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:24:36,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:24:36,219 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:24:36,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:24:36,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:24:36,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:24:36,219 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:24:36,220 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:24:36,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:24:36,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:24:36,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:24:36,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:24:36,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:24:36,221 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:24:36,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:24:36,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:24:36,222 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_e4f6250b-69a3-47da-8569-20b11d982271/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61be2c02b1c6a48a0ade796ef932fc9f32a4b5ee89409761f46545bf82bedcd1 [2022-11-20 17:24:36,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:24:36,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:24:36,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:24:36,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:24:36,533 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:24:36,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_12_good.i [2022-11-20 17:24:39,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:24:40,037 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:24:40,043 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_12_good.i [2022-11-20 17:24:40,073 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/data/1679c28a5/169befd1c7ac4460b6cd449f05fc3481/FLAGe5bde68f2 [2022-11-20 17:24:40,096 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/data/1679c28a5/169befd1c7ac4460b6cd449f05fc3481 [2022-11-20 17:24:40,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:24:40,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:24:40,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:24:40,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:24:40,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:24:40,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:40" (1/1) ... [2022-11-20 17:24:40,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454ee24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:40, skipping insertion in model container [2022-11-20 17:24:40,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:40" (1/1) ... [2022-11-20 17:24:40,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:24:40,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:24:40,577 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:24:41,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:24:41,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:24:41,255 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:24:41,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:24:41,508 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:24:41,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41 WrapperNode [2022-11-20 17:24:41,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:24:41,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:24:41,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:24:41,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:24:41,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,601 INFO L138 Inliner]: procedures = 501, calls = 78, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2022-11-20 17:24:41,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:24:41,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:24:41,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:24:41,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:24:41,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:24:41,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:24:41,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:24:41,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:24:41,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:41" (1/1) ... [2022-11-20 17:24:41,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:24:41,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:24:41,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:24:41,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:24:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:24:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:24:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 17:24:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 17:24:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:24:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:24:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:24:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:24:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:24:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:24:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:24:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:24:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:24:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:24:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:24:41,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:24:41,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:24:42,310 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:24:42,379 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:24:42,379 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:24:42,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:42 BoogieIcfgContainer [2022-11-20 17:24:42,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:24:42,383 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:24:42,383 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:24:42,395 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:24:42,395 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:42" (1/1) ... [2022-11-20 17:24:42,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:24:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2022-11-20 17:24:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-20 17:24:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:24:42,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:42,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:43,145 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 17:24:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-11-20 17:24:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-11-20 17:24:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:24:43,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:43,413 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 17:24:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2022-11-20 17:24:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:24:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:24:43,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:43,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:43,786 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 17:24:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2022-11-20 17:24:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-11-20 17:24:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:24:44,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:44,195 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 17:24:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2022-11-20 17:24:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-11-20 17:24:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:24:44,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:44,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:24:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-11-20 17:24:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-20 17:24:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:24:44,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:24:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-11-20 17:24:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-11-20 17:24:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:24:44,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:44,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:24:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 61 transitions. [2022-11-20 17:24:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-20 17:24:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:24:45,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:45,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:24:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 60 transitions. [2022-11-20 17:24:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-20 17:24:45,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:24:45,207 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:24:45,217 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:24:45,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:24:45,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:24:45 ImpRootNode [2022-11-20 17:24:45,308 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:24:45,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:24:45,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:24:45,309 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:24:45,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:42" (3/4) ... [2022-11-20 17:24:45,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:24:45,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:24:45,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 17:24:45,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:24:45,340 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:24:45,342 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:24:45,343 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:24:45,343 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:24:45,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:24:45,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:24:45,434 INFO L158 Benchmark]: Toolchain (without parser) took 5329.48ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 118.6MB in the beginning and 95.5MB in the end (delta: 23.1MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,434 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:24:45,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1402.86ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 101.1MB in the end (delta: 17.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.99ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 98.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,436 INFO L158 Benchmark]: Boogie Preprocessor took 35.89ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,436 INFO L158 Benchmark]: RCFGBuilder took 743.31ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 78.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,437 INFO L158 Benchmark]: CodeCheck took 2924.57ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 78.1MB in the beginning and 99.6MB in the end (delta: -21.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,438 INFO L158 Benchmark]: Witness Printer took 122.21ms. Allocated memory is still 184.5MB. Free memory was 99.6MB in the beginning and 95.5MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:24:45,443 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 4 procedures, 52 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 254 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 141 mSolverCounterUnsat, 244 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1201 GetRequests, 1165 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 56/56 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1402.86ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 101.1MB in the end (delta: 17.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.99ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 98.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.89ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.31ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 78.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2924.57ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 78.1MB in the beginning and 99.6MB in the end (delta: -21.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 122.21ms. Allocated memory is still 184.5MB. Free memory was 99.6MB in the beginning and 95.5MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:24:45,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6250b-69a3-47da-8569-20b11d982271/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