./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash 0f77dea8ac4e90769e7f79fe586c3bc8814d52e2350b8c4d8b140363f12c9ac8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:08:22,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:08:22,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:08:22,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:08:22,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:08:22,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:08:22,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:08:22,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:08:22,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:08:22,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:08:22,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:08:22,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:08:22,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:08:22,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:08:22,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:08:22,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:08:22,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:08:22,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:08:22,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:08:22,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:08:22,695 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:08:22,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:08:22,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:08:22,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:08:22,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:08:22,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:08:22,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:08:22,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:08:22,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:08:22,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:08:22,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:08:22,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:08:22,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:08:22,702 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:08:22,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:08:22,703 INFO L153 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_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f77dea8ac4e90769e7f79fe586c3bc8814d52e2350b8c4d8b140363f12c9ac8 [2024-11-08 23:08:23,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:08:23,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:08:23,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:08:23,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:08:23,111 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:08:23,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo3-ll.c Unable to find full path for "g++" [2024-11-08 23:08:25,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:08:25,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:08:25,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/sv-benchmarks/c/recursified_nla-digbench/recursified_geo3-ll.c [2024-11-08 23:08:25,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/data/689a26015/b688541f8aa34b4dbf2709cd7c3d0d7f/FLAG4db408e9e [2024-11-08 23:08:26,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/data/689a26015/b688541f8aa34b4dbf2709cd7c3d0d7f [2024-11-08 23:08:26,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:08:26,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:08:26,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:08:26,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:08:26,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:08:26,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbf298b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26, skipping insertion in model container [2024-11-08 23:08:26,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:08:26,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:08:26,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:08:26,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:08:26,531 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:08:26,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26 WrapperNode [2024-11-08 23:08:26,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:08:26,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:08:26,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:08:26,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:08:26,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,584 INFO L138 Inliner]: procedures = 16, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-11-08 23:08:26,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:08:26,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:08:26,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:08:26,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:08:26,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:08:26,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:08:26,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:08:26,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:08:26,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:08:26" (1/1) ... [2024-11-08 23:08:26,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:08:26,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:08:26,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:08:26,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:08:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:08:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2024-11-08 23:08:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2024-11-08 23:08:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:08:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:08:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:08:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:08:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:08:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:08:26,868 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:08:26,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:08:27,308 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:08:27,308 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:08:27,398 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:08:27,399 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:08:27,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:08:27 BoogieIcfgContainer [2024-11-08 23:08:27,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:08:27,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:08:27,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:08:27,414 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:08:27,414 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:08:27" (1/1) ... [2024-11-08 23:08:27,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:08:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-08 23:08:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-08 23:08:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:08:27,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:27,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 23:08:27,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 23:08:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 23:08:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:08:28,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:28,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:08:28,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:28,797 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:08:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2024-11-08 23:08:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:28,979 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-08 23:08:28,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 74 treesize of output 64 [2024-11-08 23:08:29,023 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:08:29,026 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2024-11-08 23:08:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:08:29,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-11-08 23:08:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:08:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:08:29,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:08:29,159 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:08:29,170 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 23:08:29,227 INFO L77 FloydHoareUtils]: At program point L57(lines 57 63) the Hoare annotation is: true [2024-11-08 23:08:29,228 INFO L77 FloydHoareUtils]: At program point L56(line 56) the Hoare annotation is: true [2024-11-08 23:08:29,228 INFO L77 FloydHoareUtils]: At program point L56-1(line 56) the Hoare annotation is: true [2024-11-08 23:08:29,229 INFO L77 FloydHoareUtils]: At program point L53(lines 53 72) the Hoare annotation is: true [2024-11-08 23:08:29,229 INFO L77 FloydHoareUtils]: At program point L53-1(lines 51 73) the Hoare annotation is: true [2024-11-08 23:08:29,230 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 51 73) the Hoare annotation is: true [2024-11-08 23:08:29,230 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: true [2024-11-08 23:08:29,230 INFO L77 FloydHoareUtils]: At program point func_to_recursive_line_30_to_38_0EXIT(lines 51 73) the Hoare annotation is: true [2024-11-08 23:08:29,231 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 90) no Hoare annotation was computed. [2024-11-08 23:08:29,232 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:08:29,232 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 90) no Hoare annotation was computed. [2024-11-08 23:08:29,232 INFO L77 FloydHoareUtils]: At program point L92(line 92) the Hoare annotation is: true [2024-11-08 23:08:29,232 INFO L77 FloydHoareUtils]: At program point L91(line 91) the Hoare annotation is: true [2024-11-08 23:08:29,234 INFO L77 FloydHoareUtils]: At program point L92-1(line 92) the Hoare annotation is: true [2024-11-08 23:08:29,234 INFO L77 FloydHoareUtils]: At program point L90(line 90) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem23#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_#t~mem22#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_#t~mem23#1| 2147483648)) (<= |ULTIMATE.start_main_#t~mem22#1| 2147483647)) [2024-11-08 23:08:29,234 INFO L77 FloydHoareUtils]: At program point L91-1(line 91) the Hoare annotation is: true [2024-11-08 23:08:29,235 INFO L77 FloydHoareUtils]: At program point L90-1(line 90) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem23#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_#t~mem22#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_#t~mem23#1| 2147483648)) (<= |ULTIMATE.start_main_#t~mem22#1| 2147483647)) [2024-11-08 23:08:29,235 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:08:29,235 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 35 49) the Hoare annotation is: true [2024-11-08 23:08:29,235 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 35 49) the Hoare annotation is: true [2024-11-08 23:08:29,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:08:29 ImpRootNode [2024-11-08 23:08:29,260 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:08:29,262 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:08:29,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:08:29,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:08:29,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:08:27" (3/4) ... [2024-11-08 23:08:29,267 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:08:29,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_30_to_38_0 [2024-11-08 23:08:29,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:08:29,283 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-08 23:08:29,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 23:08:29,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:08:29,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:08:29,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:08:29,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:08:29,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:08:29,425 INFO L158 Benchmark]: Toolchain (without parser) took 3296.34ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 108.5MB in the beginning and 98.9MB in the end (delta: 9.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-08 23:08:29,425 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:08:29,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.25ms. Allocated memory is still 140.5MB. Free memory was 108.5MB in the beginning and 95.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:08:29,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 93.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:08:29,426 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 140.5MB. Free memory was 93.7MB in the beginning and 92.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:08:29,427 INFO L158 Benchmark]: RCFGBuilder took 779.74ms. Allocated memory is still 140.5MB. Free memory was 92.1MB in the beginning and 73.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:08:29,427 INFO L158 Benchmark]: CodeCheck took 1859.62ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 73.8MB in the beginning and 104.1MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:08:29,428 INFO L158 Benchmark]: Witness Printer took 161.27ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 98.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:08:29,431 INFO L338 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 23 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.25ms. Allocated memory is still 140.5MB. Free memory was 108.5MB in the beginning and 95.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.42ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 93.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 140.5MB. Free memory was 93.7MB in the beginning and 92.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.74ms. Allocated memory is still 140.5MB. Free memory was 92.1MB in the beginning and 73.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1859.62ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 73.8MB in the beginning and 104.1MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 161.27ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 98.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:08:29,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0403761e-7743-44f3-a811-e3aa95b2eaae/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE