./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_22_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_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/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_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/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_42c55650-a2bd-47aa-ba46-ce48fe3df979/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 4d62e89f3acdc36b1249a0f63b3eda241e4dec1a6cfb9fc24493da0cfc99de71 --- 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 23:00:00,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:00:00,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:00:00,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:00:00,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:00:00,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:00:00,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:00:00,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:00:00,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:00:00,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:00:00,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:00:00,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:00:00,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:00:00,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:00:00,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:00:00,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:00:00,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:00:00,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:00:00,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:00:00,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:00:00,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:00:00,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:00:00,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:00:00,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:00:00,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:00:00,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:00:00,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:00:00,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:00:00,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:00:00,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:00:00,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:00:00,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:00:00,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:00:00,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:00:00,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:00:00,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:00:00,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:00:00,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:00:00,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:00:00,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:00:00,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:00:00,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:00:00,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:00:00,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:00:00,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:00:00,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:00:00,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:00:00,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:00:00,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:00:00,732 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:00:00,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:00:00,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:00:00,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:00:00,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:00:00,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:00:00,733 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:00:00,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:00:00,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:00:00,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:00:00,734 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:00:00,734 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:00:00,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:00:00,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:00:00,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:00:00,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:00:00,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:00:00,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:00:00,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:00:00,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:00:00,736 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_42c55650-a2bd-47aa-ba46-ce48fe3df979/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d62e89f3acdc36b1249a0f63b3eda241e4dec1a6cfb9fc24493da0cfc99de71 [2022-11-21 23:00:01,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:00:01,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:00:01,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:00:01,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:00:01,069 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:00:01,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_22_good.i [2022-11-21 23:00:04,102 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:00:04,488 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:00:04,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_22_good.i [2022-11-21 23:00:04,512 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/data/af57a4810/225f8bb86692489c842b143669e5ccac/FLAG0c27e808e [2022-11-21 23:00:04,534 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/data/af57a4810/225f8bb86692489c842b143669e5ccac [2022-11-21 23:00:04,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:00:04,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:00:04,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:00:04,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:00:04,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:00:04,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:04" (1/1) ... [2022-11-21 23:00:04,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578c2e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:04, skipping insertion in model container [2022-11-21 23:00:04,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:04" (1/1) ... [2022-11-21 23:00:04,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:00:04,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:00:05,091 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:00:05,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:00:05,665 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:00:05,688 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:00:05,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:00:05,920 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:00:05,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05 WrapperNode [2022-11-21 23:00:05,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:00:05,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:00:05,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:00:05,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:00:05,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:05,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,010 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 77 [2022-11-21 23:00:06,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:00:06,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:00:06,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:00:06,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:00:06,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:00:06,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:00:06,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:00:06,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:00:06,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:05" (1/1) ... [2022-11-21 23:00:06,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:00:06,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:00:06,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:00:06,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:00:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:00:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:00:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:00:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:00:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:00:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:00:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:00:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:00:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:00:06,363 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:00:06,365 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:00:06,582 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:00:06,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:00:06,635 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:00:06,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:06 BoogieIcfgContainer [2022-11-21 23:00:06,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:00:06,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:00:06,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:00:06,653 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:00:06,662 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:06" (1/1) ... [2022-11-21 23:00:06,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:00:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-11-21 23:00:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-11-21 23:00:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:00:06,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:00:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 44 transitions. [2022-11-21 23:00:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-21 23:00:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:00:07,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:07,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:07,288 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 23:00:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 41 transitions. [2022-11-21 23:00:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-21 23:00:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:00:07,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:07,542 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 23:00:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 40 transitions. [2022-11-21 23:00:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-21 23:00:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:00:07,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:07,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:07,744 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 23:00:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 39 transitions. [2022-11-21 23:00:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 23:00:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:00:07,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:07,848 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 23:00:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 38 transitions. [2022-11-21 23:00:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-21 23:00:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:00:07,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:07,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:08,039 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 23:00:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-11-21 23:00:08,096 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-21 23:00:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:00:08,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:00:08,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:00:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:00:08,208 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 23:00:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:00:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 35 transitions. [2022-11-21 23:00:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-21 23:00:08,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:00:08,235 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-21 23:00:08,247 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:00:08,288 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:00:08,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:00:08 ImpRootNode [2022-11-21 23:00:08,294 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:00:08,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:00:08,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:00:08,296 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:00:08,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:06" (3/4) ... [2022-11-21 23:00:08,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:00:08,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:00:08,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:00:08,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 23:00:08,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:00:08,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:00:08,321 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:00:08,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:00:08,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:00:08,387 INFO L158 Benchmark]: Toolchain (without parser) took 3844.85ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 129.7MB in the beginning and 91.2MB in the end (delta: 38.6MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-11-21 23:00:08,393 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:00:08,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.82ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 82.7MB in the end (delta: 47.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 23:00:08,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.67ms. Allocated memory is still 165.7MB. Free memory was 82.7MB in the beginning and 79.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:00:08,397 INFO L158 Benchmark]: Boogie Preprocessor took 26.14ms. Allocated memory is still 165.7MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:00:08,397 INFO L158 Benchmark]: RCFGBuilder took 600.55ms. Allocated memory is still 165.7MB. Free memory was 78.5MB in the beginning and 62.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:00:08,398 INFO L158 Benchmark]: CodeCheck took 1654.52ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 62.3MB in the beginning and 95.2MB in the end (delta: -32.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-11-21 23:00:08,399 INFO L158 Benchmark]: Witness Printer took 90.55ms. Allocated memory is still 199.2MB. Free memory was 95.2MB in the beginning and 91.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:00:08,402 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, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 227 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 209 mSDtfsCounter, 206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 12/12 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: 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: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.82ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 82.7MB in the end (delta: 47.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.67ms. Allocated memory is still 165.7MB. Free memory was 82.7MB in the beginning and 79.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.14ms. Allocated memory is still 165.7MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.55ms. Allocated memory is still 165.7MB. Free memory was 78.5MB in the beginning and 62.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1654.52ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 62.3MB in the beginning and 95.2MB in the end (delta: -32.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 90.55ms. Allocated memory is still 199.2MB. Free memory was 95.2MB in the beginning and 91.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:00:08,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c55650-a2bd-47aa-ba46-ce48fe3df979/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