./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/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_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/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_15f19393-2ad0-4588-880d-7a32b27e7a5f/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 6c09f999b9ef29b44d810668fe8b02e6bea1b05ac450e8d3a4496f2e3025c469 --- 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 18:07:43,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:07:43,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:07:43,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:07:43,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:07:43,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:07:43,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:07:43,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:07:43,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:07:43,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:07:43,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:07:43,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:07:43,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:07:43,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:07:43,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:07:43,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:07:43,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:07:43,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:07:43,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:07:43,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:07:43,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:07:43,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:07:43,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:07:43,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:07:43,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:07:43,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:07:43,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:07:43,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:07:43,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:07:43,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:07:43,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:07:43,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:07:43,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:07:43,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:07:43,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:07:43,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:07:43,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:07:43,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:07:43,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:07:43,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:07:43,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:07:43,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:07:43,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:07:43,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:07:43,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:07:43,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:07:43,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:07:43,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:07:43,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:07:43,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:07:43,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:07:43,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:07:43,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:07:43,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:07:43,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:07:43,656 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:07:43,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:07:43,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:07:43,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:07:43,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:07:43,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:07:43,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:07:43,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:43,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:07:43,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:07:43,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:07:43,659 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:07:43,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:07:43,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:07:43,660 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_15f19393-2ad0-4588-880d-7a32b27e7a5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c09f999b9ef29b44d810668fe8b02e6bea1b05ac450e8d3a4496f2e3025c469 [2022-11-20 18:07:43,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:07:43,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:07:43,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:07:43,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:07:43,976 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:07:43,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2022-11-20 18:07:47,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:07:47,524 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:07:47,525 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2022-11-20 18:07:47,557 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/data/cc062fd4b/d8402cc456724e2682f0758abd3d1adc/FLAG9f309876f [2022-11-20 18:07:47,578 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/data/cc062fd4b/d8402cc456724e2682f0758abd3d1adc [2022-11-20 18:07:47,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:07:47,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:07:47,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:47,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:07:47,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:07:47,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:47" (1/1) ... [2022-11-20 18:07:47,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b8b0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:47, skipping insertion in model container [2022-11-20 18:07:47,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:47" (1/1) ... [2022-11-20 18:07:47,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:07:47,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:07:48,076 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:07:48,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:48,661 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:07:48,695 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:07:48,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:48,930 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:07:48,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48 WrapperNode [2022-11-20 18:07:48,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:48,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:48,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:07:48,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:07:48,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,067 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2022-11-20 18:07:49,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:49,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:07:49,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:07:49,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:07:49,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,102 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:07:49,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:07:49,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:07:49,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:07:49,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:48" (1/1) ... [2022-11-20 18:07:49,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:49,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:07:49,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:07:49,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:07:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:07:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:07:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:07:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:07:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:07:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:07:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:07:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:07:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:07:49,468 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:07:49,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:07:49,682 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:07:49,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:07:49,826 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 18:07:49,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:49 BoogieIcfgContainer [2022-11-20 18:07:49,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:07:49,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:07:49,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:07:49,840 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:07:49,840 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:49" (1/1) ... [2022-11-20 18:07:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:07:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2022-11-20 18:07:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-20 18:07:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:07:49,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:49,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,274 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 18:07:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 57 transitions. [2022-11-20 18:07:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-11-20 18:07:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:07:50,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,492 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 18:07:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 56 transitions. [2022-11-20 18:07:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-11-20 18:07:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:07:50,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,678 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 18:07:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 55 transitions. [2022-11-20 18:07:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-20 18:07:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:07:50,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,788 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 18:07:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 54 transitions. [2022-11-20 18:07:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-11-20 18:07:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:07:50,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,917 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 18:07:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 49 transitions. [2022-11-20 18:07:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-20 18:07:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:07:50,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:51,057 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 18:07:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 48 transitions. [2022-11-20 18:07:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-11-20 18:07:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:07:51,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:51,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:51,293 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 18:07:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 46 transitions. [2022-11-20 18:07:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-20 18:07:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:07:51,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:51,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:51,465 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 18:07:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 45 transitions. [2022-11-20 18:07:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-11-20 18:07:51,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:07:51,569 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 18:07:51,578 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 18:07:51,662 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:07:51,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:07:51 ImpRootNode [2022-11-20 18:07:51,686 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:07:51,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:07:51,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:07:51,687 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:07:51,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:49" (3/4) ... [2022-11-20 18:07:51,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:07:51,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:07:51,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:07:51,701 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 18:07:51,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 18:07:51,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:07:51,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:07:51,838 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:07:51,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:07:51,850 INFO L158 Benchmark]: Toolchain (without parser) took 4267.39ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 118.4MB in the beginning and 108.2MB in the end (delta: 10.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,851 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:07:51,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.06ms. Allocated memory is still 151.0MB. Free memory was 118.4MB in the beginning and 120.4MB in the end (delta: -2.0MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.99ms. Allocated memory is still 151.0MB. Free memory was 120.4MB in the beginning and 117.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,852 INFO L158 Benchmark]: Boogie Preprocessor took 44.88ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 115.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,852 INFO L158 Benchmark]: RCFGBuilder took 715.38ms. Allocated memory is still 151.0MB. Free memory was 115.4MB in the beginning and 84.8MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,853 INFO L158 Benchmark]: CodeCheck took 1856.27ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.8MB in the beginning and 111.2MB in the end (delta: -26.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,853 INFO L158 Benchmark]: Witness Printer took 163.37ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 108.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:07:51,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 380 IncrementalHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 156 mSDtfsCounter, 380 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.06ms. Allocated memory is still 151.0MB. Free memory was 118.4MB in the beginning and 120.4MB in the end (delta: -2.0MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.99ms. Allocated memory is still 151.0MB. Free memory was 120.4MB in the beginning and 117.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.88ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 115.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.38ms. Allocated memory is still 151.0MB. Free memory was 115.4MB in the beginning and 84.8MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 1856.27ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 84.8MB in the beginning and 111.2MB in the end (delta: -26.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 163.37ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 108.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:07:51,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f19393-2ad0-4588-880d-7a32b27e7a5f/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