./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/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_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/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_b1e500c7-c5de-46c4-a251-69ba18310f28/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 69655d6c80119f0c9e558d78b78ddb933a5994c5f1b0e924534a46c9ec1d14b4 --- 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 23:57:07,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:57:07,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:57:08,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:57:08,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:57:08,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:57:08,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:57:08,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:57:08,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:57:08,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:57:08,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:57:08,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:57:08,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:57:08,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:57:08,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:57:08,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:57:08,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:57:08,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:57:08,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:57:08,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:57:08,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:57:08,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:57:08,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:57:08,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:57:08,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:57:08,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:57:08,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:57:08,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:57:08,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:57:08,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:57:08,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:57:08,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:57:08,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:57:08,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:57:08,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:57:08,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:57:08,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:57:08,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:57:08,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:57:08,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:57:08,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:57:08,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:57:08,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:57:08,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:57:08,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:57:08,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:57:08,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:57:08,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:57:08,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:57:08,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:57:08,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:57:08,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:57:08,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:57:08,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:57:08,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:57:08,120 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:57:08,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:57:08,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:57:08,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:57:08,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:57:08,121 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:57:08,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:57:08,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:57:08,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:57:08,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:57:08,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:57:08,122 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:57:08,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:57:08,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:57:08,123 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_b1e500c7-c5de-46c4-a251-69ba18310f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69655d6c80119f0c9e558d78b78ddb933a5994c5f1b0e924534a46c9ec1d14b4 [2022-11-21 23:57:08,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:57:08,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:57:08,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:57:08,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:57:08,457 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:57:08,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i [2022-11-21 23:57:11,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:57:11,983 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:57:11,991 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i [2022-11-21 23:57:12,022 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/data/1dee9caec/e3dc127c7d7644c9a46f6846072fac76/FLAGc753597e0 [2022-11-21 23:57:12,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/data/1dee9caec/e3dc127c7d7644c9a46f6846072fac76 [2022-11-21 23:57:12,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:57:12,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:57:12,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:57:12,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:57:12,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:57:12,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:57:12" (1/1) ... [2022-11-21 23:57:12,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d1056e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:12, skipping insertion in model container [2022-11-21 23:57:12,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:57:12" (1/1) ... [2022-11-21 23:57:12,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:57:12,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:57:12,644 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:57:13,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:57:13,255 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:57:13,272 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:57:13,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:57:13,490 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:57:13,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13 WrapperNode [2022-11-21 23:57:13,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:57:13,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:57:13,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:57:13,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:57:13,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,585 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70 [2022-11-21 23:57:13,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:57:13,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:57:13,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:57:13,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:57:13,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:57:13,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:57:13,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:57:13,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:57:13,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:13" (1/1) ... [2022-11-21 23:57:13,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:57:13,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:57:13,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:57:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:57:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:57:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:57:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:57:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:57:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:57:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:57:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:57:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:57:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:57:13,890 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:57:13,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:57:14,169 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:57:14,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:57:14,234 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:57:14,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:57:14 BoogieIcfgContainer [2022-11-21 23:57:14,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:57:14,237 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:57:14,237 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:57:14,248 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:57:14,248 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:57:14" (1/1) ... [2022-11-21 23:57:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:57:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 23:57:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 23:57:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:57:14,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:14,620 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 23:57:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 23:57:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 23:57:14,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:57:14,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:14,901 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 23:57:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 23:57:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 23:57:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:57:14,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:14,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:15,042 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 23:57:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-21 23:57:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 23:57:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:57:15,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:15,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:15,309 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 23:57:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-21 23:57:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-21 23:57:15,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:57:15,402 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 23:57:15,411 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:57:15,447 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:57:15,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:57:15 ImpRootNode [2022-11-21 23:57:15,455 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:57:15,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:57:15,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:57:15,458 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:57:15,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:57:14" (3/4) ... [2022-11-21 23:57:15,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:57:15,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:57:15,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:57:15,490 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-21 23:57:15,490 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:57:15,490 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:57:15,491 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:57:15,553 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:57:15,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:57:15,554 INFO L158 Benchmark]: Toolchain (without parser) took 3425.10ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 103.6MB in the beginning and 112.2MB in the end (delta: -8.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-11-21 23:57:15,554 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 110.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:57:15,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1359.58ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-11-21 23:57:15,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.13ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 97.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:57:15,556 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 138.4MB. Free memory was 97.7MB in the beginning and 96.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:57:15,556 INFO L158 Benchmark]: RCFGBuilder took 607.23ms. Allocated memory is still 138.4MB. Free memory was 96.3MB in the beginning and 76.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:57:15,557 INFO L158 Benchmark]: CodeCheck took 1217.50ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 76.7MB in the beginning and 115.3MB in the end (delta: -38.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-21 23:57:15,557 INFO L158 Benchmark]: Witness Printer took 96.24ms. Allocated memory is still 180.4MB. Free memory was 115.3MB in the beginning and 112.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:57:15,560 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 41 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 110.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1359.58ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.13ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 97.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.16ms. Allocated memory is still 138.4MB. Free memory was 97.7MB in the beginning and 96.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.23ms. Allocated memory is still 138.4MB. Free memory was 96.3MB in the beginning and 76.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1217.50ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 76.7MB in the beginning and 115.3MB in the end (delta: -38.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 96.24ms. Allocated memory is still 180.4MB. Free memory was 115.3MB in the beginning and 112.2MB 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! [2022-11-21 23:57:15,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e500c7-c5de-46c4-a251-69ba18310f28/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