./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4 --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 2d5a928396209f6afbe052db99b548634822ad989fb038e22efdc46c01ec1641 --- 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-2329fc7 [2022-12-15 00:21:12,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:21:12,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:21:12,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:21:12,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:21:12,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:21:12,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:21:13,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:21:13,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:21:13,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:21:13,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:21:13,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:21:13,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:21:13,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:21:13,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:21:13,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:21:13,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:21:13,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:21:13,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:21:13,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:21:13,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:21:13,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:21:13,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:21:13,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:21:13,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:21:13,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:21:13,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:21:13,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:21:13,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:21:13,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:21:13,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:21:13,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:21:13,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:21:13,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:21:13,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:21:13,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:21:13,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:21:13,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:21:13,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:21:13,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:21:13,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:21:13,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:21:13,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:21:13,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:21:13,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:21:13,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:21:13,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:21:13,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:21:13,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:21:13,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:21:13,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:21:13,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:21:13,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:21:13,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:21:13,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:21:13,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:21:13,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:21:13,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:21:13,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:21:13,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:21:13,054 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:21:13,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:21:13,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:21:13,055 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_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5a928396209f6afbe052db99b548634822ad989fb038e22efdc46c01ec1641 [2022-12-15 00:21:13,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:21:13,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:21:13,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:21:13,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:21:13,241 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:21:13,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i [2022-12-15 00:21:15,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:21:16,093 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:21:16,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_good.i [2022-12-15 00:21:16,106 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/data/f36fb244c/5b8ad758c3e74a36ad25a76135cd6ae9/FLAG1f1245c4e [2022-12-15 00:21:16,414 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/data/f36fb244c/5b8ad758c3e74a36ad25a76135cd6ae9 [2022-12-15 00:21:16,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:21:16,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:21:16,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:21:16,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:21:16,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:21:16,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:16" (1/1) ... [2022-12-15 00:21:16,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1311d9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:16, skipping insertion in model container [2022-12-15 00:21:16,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:16" (1/1) ... [2022-12-15 00:21:16,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:21:16,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:21:16,744 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:21:17,065 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:21:17,070 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:21:17,072 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:21:17,074 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:21:17,075 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:21:17,108 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:21:17,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:21:17,115 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:21:17,127 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:21:17,158 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:21:17,159 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:21:17,160 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:21:17,161 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:21:17,162 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:21:17,169 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:21:17,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:21:17,269 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:21:17,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17 WrapperNode [2022-12-15 00:21:17,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:21:17,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:21:17,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:21:17,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:21:17,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,329 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-12-15 00:21:17,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:21:17,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:21:17,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:21:17,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:21:17,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:21:17,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:21:17,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:21:17,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:21:17,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:21:17,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:21:17,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:21:17,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:21:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 00:21:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 00:21:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:21:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:21:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:21:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:21:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:21:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:21:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:21:17,530 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:21:17,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:21:17,711 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:21:17,815 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:21:17,815 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-15 00:21:17,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:17 BoogieIcfgContainer [2022-12-15 00:21:17,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:21:17,819 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:21:17,819 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:21:17,833 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:21:17,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:17" (1/1) ... [2022-12-15 00:21:17,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:21:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-12-15 00:21:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-12-15 00:21:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:21:17,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:17,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:21:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 54 transitions. [2022-12-15 00:21:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-12-15 00:21:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:21:18,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:21:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 53 transitions. [2022-12-15 00:21:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-12-15 00:21:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:21:18,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:18,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:21:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 51 transitions. [2022-12-15 00:21:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-15 00:21:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:21:18,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:21:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 50 transitions. [2022-12-15 00:21:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-12-15 00:21:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:21:18,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:18,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:21:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 45 transitions. [2022-12-15 00:21:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-12-15 00:21:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:21:18,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:18,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:21:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 44 transitions. [2022-12-15 00:21:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:21:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:21:18,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:18,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:21:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 42 transitions. [2022-12-15 00:21:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-15 00:21:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 00:21:19,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:21:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 41 transitions. [2022-12-15 00:21:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:21:19,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:21:19,308 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 00:21:19,316 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 00:21:19,349 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:21:19,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:21:19 ImpRootNode [2022-12-15 00:21:19,354 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:21:19,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:21:19,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:21:19,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:21:19,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:17" (3/4) ... [2022-12-15 00:21:19,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:21:19,363 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 00:21:19,363 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 00:21:19,368 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 00:21:19,368 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 00:21:19,368 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 00:21:19,369 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:21:19,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:21:19,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:21:19,416 INFO L158 Benchmark]: Toolchain (without parser) took 2995.77ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 100.9MB in the beginning and 84.7MB in the end (delta: 16.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-12-15 00:21:19,416 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:21:19,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.61ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 100.9MB in the beginning and 112.7MB in the end (delta: -11.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-12-15 00:21:19,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.04ms. Allocated memory is still 169.9MB. Free memory was 112.7MB in the beginning and 108.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:21:19,417 INFO L158 Benchmark]: Boogie Preprocessor took 29.57ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:21:19,417 INFO L158 Benchmark]: RCFGBuilder took 457.54ms. Allocated memory is still 169.9MB. Free memory was 106.8MB in the beginning and 77.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-15 00:21:19,418 INFO L158 Benchmark]: CodeCheck took 1535.49ms. Allocated memory is still 169.9MB. Free memory was 77.0MB in the beginning and 88.8MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:21:19,418 INFO L158 Benchmark]: Witness Printer took 60.66ms. Allocated memory is still 169.9MB. Free memory was 88.8MB in the beginning and 84.7MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:21:19,420 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, 44 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 9, 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, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 332 IncrementalHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 176 mSDtfsCounter, 332 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.61ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 100.9MB in the beginning and 112.7MB in the end (delta: -11.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.04ms. Allocated memory is still 169.9MB. Free memory was 112.7MB in the beginning and 108.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.57ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.54ms. Allocated memory is still 169.9MB. Free memory was 106.8MB in the beginning and 77.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 1535.49ms. Allocated memory is still 169.9MB. Free memory was 77.0MB in the beginning and 88.8MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.66ms. Allocated memory is still 169.9MB. Free memory was 88.8MB in the beginning and 84.7MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:21:19,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17fedbf0-c0d0-4f02-8b4e-a137060bc7b8/bin/ukojak-rkRKPMF4O4/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