./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg --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 36f4ea92b5aa0abddfd7732665203d2e14aa463961743937f3bf501aaf9bdac5 --- 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-b5237d8 [2022-11-21 21:47:05,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:47:05,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:47:05,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:47:05,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:47:05,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:47:05,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:47:05,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:47:05,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:47:05,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:47:05,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:47:05,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:47:05,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:47:05,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:47:05,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:47:05,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:47:05,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:47:05,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:47:05,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:47:05,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:47:05,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:47:05,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:47:05,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:47:05,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:47:05,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:47:05,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:47:05,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:47:05,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:47:05,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:47:05,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:47:05,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:47:05,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:47:05,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:47:05,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:47:05,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:47:05,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:47:05,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:47:05,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:47:05,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:47:05,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:47:05,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:47:05,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:47:05,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:47:05,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:47:05,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:47:05,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:47:05,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:47:05,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:47:05,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:47:05,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:47:05,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:47:05,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:47:05,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:47:05,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:47:05,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:47:05,469 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:47:05,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:47:05,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:47:05,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:47:05,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:47:05,470 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:47:05,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:47:05,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:05,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:47:05,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:47:05,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:47:05,471 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:47:05,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:47:05,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:47:05,471 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_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36f4ea92b5aa0abddfd7732665203d2e14aa463961743937f3bf501aaf9bdac5 [2022-11-21 21:47:05,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:47:05,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:47:05,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:47:05,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:47:05,826 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:47:05,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i [2022-11-21 21:47:08,701 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:47:09,088 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:47:09,097 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i [2022-11-21 21:47:09,122 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/data/ae80c6da8/46d14bfddafa4cc0b588cd1e65d8b1da/FLAGfb23a1458 [2022-11-21 21:47:09,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/data/ae80c6da8/46d14bfddafa4cc0b588cd1e65d8b1da [2022-11-21 21:47:09,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:47:09,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:47:09,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:09,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:47:09,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:47:09,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:09" (1/1) ... [2022-11-21 21:47:09,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd0c014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:09, skipping insertion in model container [2022-11-21 21:47:09,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:09" (1/1) ... [2022-11-21 21:47:09,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:47:09,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:47:09,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:10,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:10,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:47:10,150 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:10,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:10,303 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:47:10,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10 WrapperNode [2022-11-21 21:47:10,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:10,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:10,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:47:10,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:47:10,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,363 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2022-11-21 21:47:10,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:10,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:47:10,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:47:10,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:47:10,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:47:10,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:47:10,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:47:10,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:47:10,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:10" (1/1) ... [2022-11-21 21:47:10,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:47:10,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:47:10,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:47:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:47:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:47:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 21:47:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 21:47:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:47:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:47:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:47:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:47:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:47:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:47:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:47:10,680 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:47:10,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:47:10,954 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:47:11,181 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:47:11,181 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:47:11,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:11 BoogieIcfgContainer [2022-11-21 21:47:11,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:47:11,185 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:47:11,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:47:11,195 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:47:11,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:11" (1/1) ... [2022-11-21 21:47:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:47:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2022-11-21 21:47:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-21 21:47:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 21:47:11,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:11,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:47:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-11-21 21:47:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-11-21 21:47:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 21:47:11,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:47:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2022-11-21 21:47:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 21:47:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 21:47:11,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:11,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:47:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2022-11-21 21:47:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-11-21 21:47:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 21:47:12,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:47:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2022-11-21 21:47:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-11-21 21:47:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:47:12,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 21:47:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-11-21 21:47:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-21 21:47:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:47:12,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 21:47:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-11-21 21:47:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-11-21 21:47:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 21:47:12,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 21:47:12,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 61 transitions. [2022-11-21 21:47:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-21 21:47:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 21:47:12,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 21:47:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 60 transitions. [2022-11-21 21:47:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-21 21:47:12,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:47:12,825 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 21:47:12,833 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 21:47:12,899 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:47:12,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:47:12 ImpRootNode [2022-11-21 21:47:12,906 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:47:12,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:47:12,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:47:12,906 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:47:12,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:11" (3/4) ... [2022-11-21 21:47:12,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:47:12,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 21:47:12,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-21 21:47:12,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 21:47:12,930 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 21:47:12,930 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 21:47:12,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 21:47:12,931 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:47:12,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:47:12,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:47:12,980 INFO L158 Benchmark]: Toolchain (without parser) took 3840.39ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 151.3MB in the beginning and 99.8MB in the end (delta: 51.6MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,980 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:12,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1163.22ms. Allocated memory is still 184.5MB. Free memory was 150.5MB in the beginning and 105.1MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.97ms. Allocated memory is still 184.5MB. Free memory was 105.1MB in the beginning and 102.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,981 INFO L158 Benchmark]: Boogie Preprocessor took 45.95ms. Allocated memory is still 184.5MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,981 INFO L158 Benchmark]: RCFGBuilder took 773.95ms. Allocated memory is still 184.5MB. Free memory was 100.0MB in the beginning and 145.4MB in the end (delta: -45.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,982 INFO L158 Benchmark]: CodeCheck took 1720.52ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 144.4MB in the beginning and 104.0MB in the end (delta: 40.4MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,982 INFO L158 Benchmark]: Witness Printer took 73.06ms. Allocated memory is still 222.3MB. Free memory was 104.0MB in the beginning and 99.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:47:12,984 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: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 544 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 248 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1159 GetRequests, 1147 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 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 0.40ms. Allocated memory is still 125.8MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1163.22ms. Allocated memory is still 184.5MB. Free memory was 150.5MB in the beginning and 105.1MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.97ms. Allocated memory is still 184.5MB. Free memory was 105.1MB in the beginning and 102.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.95ms. Allocated memory is still 184.5MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.95ms. Allocated memory is still 184.5MB. Free memory was 100.0MB in the beginning and 145.4MB in the end (delta: -45.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * CodeCheck took 1720.52ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 144.4MB in the beginning and 104.0MB in the end (delta: 40.4MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Witness Printer took 73.06ms. Allocated memory is still 222.3MB. Free memory was 104.0MB in the beginning and 99.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 21:47:13,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb73ca3b-d45b-453e-aaeb-4710b451b812/bin/ukojak-jW3SillKbg/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