./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_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_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/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_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/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_ea75a6e8-4648-4d7d-b555-1586038b4305/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 2bef392a87a1cba9a64bbe152edb58bcdb8b5e67f5d2784944e5cf0e32c59e89 --- 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 17:47:15,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:47:15,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:47:15,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:47:15,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:47:15,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:47:15,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:47:15,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:47:15,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:47:15,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:47:15,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:47:15,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:47:15,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:47:15,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:47:15,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:47:15,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:47:15,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:47:15,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:47:15,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:47:15,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:47:15,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:47:15,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:47:15,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:47:15,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:47:15,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:47:15,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:47:15,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:47:15,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:47:15,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:47:15,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:47:15,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:47:15,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:47:15,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:47:15,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:47:15,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:47:15,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:47:15,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:47:15,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:47:15,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:47:15,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:47:15,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:47:15,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:47:15,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:47:15,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:47:15,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:47:15,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:47:15,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:47:15,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:47:15,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:47:15,787 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:47:15,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:47:15,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:47:15,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:47:15,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:47:15,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:47:15,789 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:47:15,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:47:15,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:47:15,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:47:15,790 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:47:15,791 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:47:15,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:47:15,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:47:15,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:47:15,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:47:15,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:47:15,792 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:47:15,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:47:15,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:47:15,793 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_ea75a6e8-4648-4d7d-b555-1586038b4305/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bef392a87a1cba9a64bbe152edb58bcdb8b5e67f5d2784944e5cf0e32c59e89 [2022-11-20 17:47:16,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:47:16,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:47:16,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:47:16,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:47:16,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:47:16,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_good.i [2022-11-20 17:47:19,236 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:47:19,640 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:47:19,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_good.i [2022-11-20 17:47:19,675 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/data/7ad7c4486/2b3e58ba146546ac8f26366062ac1b84/FLAG85efcad8d [2022-11-20 17:47:19,691 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/data/7ad7c4486/2b3e58ba146546ac8f26366062ac1b84 [2022-11-20 17:47:19,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:47:19,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:47:19,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:47:19,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:47:19,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:47:19,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:19" (1/1) ... [2022-11-20 17:47:19,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42db3e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:19, skipping insertion in model container [2022-11-20 17:47:19,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:19" (1/1) ... [2022-11-20 17:47:19,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:47:19,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:47:20,180 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:47:20,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:47:20,830 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:47:20,852 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:47:20,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:47:21,117 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:47:21,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21 WrapperNode [2022-11-20 17:47:21,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:47:21,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:47:21,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:47:21,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:47:21,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,190 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2022-11-20 17:47:21,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:47:21,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:47:21,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:47:21,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:47:21,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:47:21,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:47:21,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:47:21,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:47:21,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:47:21,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:47:21,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:47:21,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:47:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:47:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:47:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 17:47:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 17:47:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:47:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:47:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:47:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:47:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:47:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:47:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:47:21,449 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:47:21,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:47:21,733 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:47:21,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:47:21,892 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:47:21,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:21 BoogieIcfgContainer [2022-11-20 17:47:21,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:47:21,896 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:47:21,896 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:47:21,925 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:47:21,925 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:21" (1/1) ... [2022-11-20 17:47:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:47:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-20 17:47:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 17:47:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:47:21,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:21,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:22,715 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 17:47:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 59 transitions. [2022-11-20 17:47:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-11-20 17:47:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:47:22,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:22,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:23,168 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 17:47:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 58 transitions. [2022-11-20 17:47:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-20 17:47:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:47:23,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:23,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:23,280 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 17:47:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 57 transitions. [2022-11-20 17:47:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-20 17:47:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:47:23,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:23,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:23,412 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 17:47:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 56 transitions. [2022-11-20 17:47:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 17:47:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:47:23,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:23,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:47:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 55 transitions. [2022-11-20 17:47:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:47:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:47:23,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:47:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 54 transitions. [2022-11-20 17:47:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 17:47:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:47:23,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:23,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:47:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 53 transitions. [2022-11-20 17:47:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-20 17:47:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:47:23,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:23,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:47:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 52 transitions. [2022-11-20 17:47:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-11-20 17:47:24,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:47:24,058 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:47:24,067 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:47:24,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:47:24,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:47:24 ImpRootNode [2022-11-20 17:47:24,150 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:47:24,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:47:24,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:47:24,151 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:47:24,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:21" (3/4) ... [2022-11-20 17:47:24,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:47:24,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:47:24,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 17:47:24,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:47:24,166 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:47:24,166 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:47:24,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:47:24,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:47:24,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:47:24,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:47:24,239 INFO L158 Benchmark]: Toolchain (without parser) took 4544.02ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 87.5MB in the beginning and 81.2MB in the end (delta: 6.2MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,240 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:47:24,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1418.62ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 85.2MB in the end (delta: 1.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.49ms. Allocated memory is still 144.7MB. Free memory was 85.2MB in the beginning and 81.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,241 INFO L158 Benchmark]: Boogie Preprocessor took 30.34ms. Allocated memory is still 144.7MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,241 INFO L158 Benchmark]: RCFGBuilder took 672.39ms. Allocated memory is still 144.7MB. Free memory was 79.8MB in the beginning and 50.1MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,241 INFO L158 Benchmark]: CodeCheck took 2254.85ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 50.1MB in the beginning and 85.4MB in the end (delta: -35.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,242 INFO L158 Benchmark]: Witness Printer took 87.91ms. Allocated memory is still 207.6MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:47:24,243 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, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 518 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 335 IncrementalHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 272 mSDtfsCounter, 335 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1172 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 64/64 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1418.62ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 85.2MB in the end (delta: 1.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.49ms. Allocated memory is still 144.7MB. Free memory was 85.2MB in the beginning and 81.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.34ms. Allocated memory is still 144.7MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.39ms. Allocated memory is still 144.7MB. Free memory was 79.8MB in the beginning and 50.1MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 2254.85ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 50.1MB in the beginning and 85.4MB in the end (delta: -35.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Witness Printer took 87.91ms. Allocated memory is still 207.6MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:47:24,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea75a6e8-4648-4d7d-b555-1586038b4305/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