./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_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_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/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_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/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_2ab750ea-977c-4c9a-a699-2f48b0248ab2/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 7cbae9391c4ed9cd4a359fd1d9ab3bf365e2d8097ded5d2c5a1c1e449d1b38da --- 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 [2022-12-14 18:10:07,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:10:07,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:10:07,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:10:07,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:10:07,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:10:07,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:10:07,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:10:07,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:10:07,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:10:07,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:10:07,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:10:07,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:10:07,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:10:07,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:10:07,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:10:07,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:10:07,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:10:07,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:10:07,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:10:07,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:10:07,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:10:07,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:10:07,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:10:07,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:10:07,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:10:07,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:10:07,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:10:07,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:10:07,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:10:07,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:10:07,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:10:07,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:10:07,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:10:07,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:10:07,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:10:07,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:10:07,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:10:07,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:10:07,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:10:07,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:10:07,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:10:07,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:10:07,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:10:07,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:10:07,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:10:07,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:10:07,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:10:07,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:10:07,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:10:07,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:10:07,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:10:07,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:10:07,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:10:07,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:10:07,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:10:07,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:10:07,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:10:07,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:10:07,663 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:10:07,663 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:10:07,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:10:07,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:10:07,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:10:07,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:10:07,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:10:07,664 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:10:07,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:10:07,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:10:07,664 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_2ab750ea-977c-4c9a-a699-2f48b0248ab2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cbae9391c4ed9cd4a359fd1d9ab3bf365e2d8097ded5d2c5a1c1e449d1b38da [2022-12-14 18:10:07,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:10:07,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:10:07,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:10:07,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:10:07,863 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:10:07,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_good.i [2022-12-14 18:10:10,449 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:10:10,643 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:10:10,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_good.i [2022-12-14 18:10:10,655 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/data/4bf5d0e52/e3850ba098094853880b080e9f14b810/FLAG3889971ec [2022-12-14 18:10:10,666 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/data/4bf5d0e52/e3850ba098094853880b080e9f14b810 [2022-12-14 18:10:10,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:10:10,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:10:10,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:10:10,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:10:10,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:10:10,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:10:10" (1/1) ... [2022-12-14 18:10:10,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142f0cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:10, skipping insertion in model container [2022-12-14 18:10:10,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:10:10" (1/1) ... [2022-12-14 18:10:10,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:10:10,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:10:10,964 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:10:11,257 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:10:11,261 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:10:11,262 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:10:11,264 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:10:11,265 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:10:11,292 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:10:11,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:10:11,300 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:10:11,314 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:10:11,346 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:10:11,347 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:10:11,348 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:10:11,349 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:10:11,350 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:10:11,355 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:10:11,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:10:11,440 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:10:11,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11 WrapperNode [2022-12-14 18:10:11,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:10:11,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:10:11,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:10:11,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:10:11,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,476 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2022-12-14 18:10:11,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:10:11,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:10:11,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:10:11,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:10:11,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:10:11,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:10:11,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:10:11,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:10:11,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:10:11,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:10:11,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:10:11,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:10:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:10:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:10:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:10:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:10:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:10:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:10:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:10:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:10:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:10:11,667 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:10:11,669 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:10:11,801 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:10:11,830 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:10:11,830 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:10:11,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:10:11 BoogieIcfgContainer [2022-12-14 18:10:11,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:10:11,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:10:11,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:10:11,843 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:10:11,844 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:10:11" (1/1) ... [2022-12-14 18:10:11,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:10:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-14 18:10:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-14 18:10:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:10:11,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:10:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-12-14 18:10:12,147 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-14 18:10:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:10:12,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:10:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-12-14 18:10:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-14 18:10:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:10:12,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:12,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:10:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:12,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 29 transitions. [2022-12-14 18:10:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-14 18:10:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:10:12,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:10:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-12-14 18:10:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 18:10:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:10:12,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:10:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-12-14 18:10:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-14 18:10:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:10:12,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:10:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-12-14 18:10:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 18:10:12,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:10:12,821 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 18:10:12,827 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 18:10:12,851 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:10:12,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:10:12 ImpRootNode [2022-12-14 18:10:12,856 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:10:12,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:10:12,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:10:12,856 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:10:12,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:10:11" (3/4) ... [2022-12-14 18:10:12,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:10:12,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:10:12,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:10:12,867 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 18:10:12,868 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:10:12,868 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:10:12,868 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:10:12,904 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:10:12,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:10:12,905 INFO L158 Benchmark]: Toolchain (without parser) took 2236.37ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 95.3MB in the beginning and 128.6MB in the end (delta: -33.3MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-12-14 18:10:12,906 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:10:12,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.98ms. Allocated memory is still 138.4MB. Free memory was 95.3MB in the beginning and 87.8MB in the end (delta: 7.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-12-14 18:10:12,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 138.4MB. Free memory was 87.8MB in the beginning and 85.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:10:12,907 INFO L158 Benchmark]: Boogie Preprocessor took 18.08ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:10:12,907 INFO L158 Benchmark]: RCFGBuilder took 337.16ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 68.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:10:12,908 INFO L158 Benchmark]: CodeCheck took 1022.13ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 67.6MB in the beginning and 131.8MB in the end (delta: -64.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 18:10:12,908 INFO L158 Benchmark]: Witness Printer took 48.40ms. Allocated memory is still 230.7MB. Free memory was 131.8MB in the beginning and 128.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:10:12,910 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 174 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 595 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: 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: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.98ms. Allocated memory is still 138.4MB. Free memory was 95.3MB in the beginning and 87.8MB in the end (delta: 7.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 138.4MB. Free memory was 87.8MB in the beginning and 85.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.08ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.16ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 68.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1022.13ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 67.6MB in the beginning and 131.8MB in the end (delta: -64.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 48.40ms. Allocated memory is still 230.7MB. Free memory was 131.8MB in the beginning and 128.6MB 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! [2022-12-14 18:10:12,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab750ea-977c-4c9a-a699-2f48b0248ab2/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