./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohendiv.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/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_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohendiv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/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_905c4437-3026-44a7-94ae-a8d9375cabce/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 3d6660b4fea1525f79546380d9fc86f7ff57e03176037fab78e14751bab459a9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:24:50,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:50,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 19:24:50,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:24:50,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:24:50,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:50,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:24:50,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:24:50,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:50,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:50,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:50,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:24:50,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:50,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:24:50,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:50,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:50,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:24:50,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:24:50,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:24:50,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:50,581 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:24:50,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:24:50,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:50,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:50,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:50,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:24:50,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:24:50,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:24:50,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:50,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:50,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:50,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:24:50,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:24:50,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:24:50,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:24:50,591 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_905c4437-3026-44a7-94ae-a8d9375cabce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d6660b4fea1525f79546380d9fc86f7ff57e03176037fab78e14751bab459a9 [2024-11-08 19:24:50,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:24:51,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:24:51,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:24:51,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:24:51,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:24:51,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/cohendiv.c Unable to find full path for "g++" [2024-11-08 19:24:53,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:24:53,995 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:24:53,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/sv-benchmarks/c/nla-digbench/cohendiv.c [2024-11-08 19:24:54,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/data/45720c1a1/8c400d9ac352402cb3ef14e154aeac0a/FLAG6051fa1d6 [2024-11-08 19:24:54,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/data/45720c1a1/8c400d9ac352402cb3ef14e154aeac0a [2024-11-08 19:24:54,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:24:54,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:24:54,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:54,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:24:54,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:24:54,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50903268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54, skipping insertion in model container [2024-11-08 19:24:54,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:24:54,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:54,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:24:54,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:54,428 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:24:54,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54 WrapperNode [2024-11-08 19:24:54,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:54,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:54,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:24:54,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:24:54,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,481 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-08 19:24:54,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:54,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:24:54,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:24:54,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:24:54,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:24:54,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:24:54,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:24:54,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:24:54,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:54" (1/1) ... [2024-11-08 19:24:54,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:24:54,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:54,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:24:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:24:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:24:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:24:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:24:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:24:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:24:54,707 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:24:54,709 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:24:55,299 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-08 19:24:55,299 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:24:55,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:24:55,398 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:24:55,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55 BoogieIcfgContainer [2024-11-08 19:24:55,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:24:55,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:24:55,400 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:24:55,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:24:55,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2024-11-08 19:24:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2024-11-08 19:24:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 19:24:55,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:55,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:24:55,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:55,749 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 19:24:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2024-11-08 19:24:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-11-08 19:24:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:24:55,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:55,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:55,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:24:55,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:55,893 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 19:24:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2024-11-08 19:24:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2024-11-08 19:24:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:24:55,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:56,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:24:56,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:56,052 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 19:24:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2024-11-08 19:24:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2024-11-08 19:24:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:24:56,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:56,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:56,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:24:56,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:56,322 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 19:24:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2024-11-08 19:24:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2024-11-08 19:24:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:24:56,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:56,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:56,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:24:56,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:56,579 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 19:24:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 92 states and 107 transitions. [2024-11-08 19:24:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 107 transitions. [2024-11-08 19:24:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:24:56,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:56,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:56,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:24:56,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:57,112 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 19:24:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2024-11-08 19:24:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2024-11-08 19:24:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:24:57,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:57,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:24:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2024-11-08 19:24:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-11-08 19:24:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:24:57,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:57,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:24:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2024-11-08 19:24:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2024-11-08 19:24:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:24:58,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:24:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2024-11-08 19:24:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2024-11-08 19:24:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:24:58,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:58,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:24:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:58,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:24:58,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:24:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:59,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 119 states and 149 transitions. [2024-11-08 19:24:59,934 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2024-11-08 19:24:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:24:59,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:59,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:25:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 124 states and 156 transitions. [2024-11-08 19:25:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2024-11-08 19:25:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:25:01,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:01,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:25:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:01,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:25:01,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:25:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 129 states and 169 transitions. [2024-11-08 19:25:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 169 transitions. [2024-11-08 19:25:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:25:02,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:02,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:25:04,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 133 states and 172 transitions. [2024-11-08 19:25:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2024-11-08 19:25:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:25:04,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:04,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:25:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 138 states and 180 transitions. [2024-11-08 19:25:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 180 transitions. [2024-11-08 19:25:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:25:04,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:25:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 144 states and 189 transitions. [2024-11-08 19:25:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2024-11-08 19:25:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:25:06,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:25:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 151 states and 199 transitions. [2024-11-08 19:25:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 199 transitions. [2024-11-08 19:25:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:25:06,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:06,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:25:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 159 states and 211 transitions. [2024-11-08 19:25:07,645 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2024-11-08 19:25:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:25:07,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:07,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 19:25:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 228 transitions. [2024-11-08 19:25:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2024-11-08 19:25:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:25:09,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:09,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:25:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:25:09,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:25:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:25:10,008 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2024-11-08 19:25:10,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:25:10 ImpRootNode [2024-11-08 19:25:10,059 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:25:10,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:25:10,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:25:10,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:25:10,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55" (3/4) ... [2024-11-08 19:25:10,062 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:25:10,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:25:10,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:25:10,140 INFO L158 Benchmark]: Toolchain (without parser) took 16103.46ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 113.4MB in the beginning and 46.0MB in the end (delta: 67.4MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-11-08 19:25:10,140 INFO L158 Benchmark]: CDTParser took 3.34ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:10,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.59ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 100.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:25:10,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 98.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:25:10,142 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 97.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:10,142 INFO L158 Benchmark]: RCFGBuilder took 883.54ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 108.0MB in the end (delta: -10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:25:10,143 INFO L158 Benchmark]: CodeCheck took 14659.08ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 108.0MB in the beginning and 48.1MB in the end (delta: 59.9MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2024-11-08 19:25:10,143 INFO L158 Benchmark]: Witness Printer took 79.59ms. Allocated memory is still 172.0MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:25:10,146 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 2 procedures, 76 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1654 SdHoareTripleChecker+Valid, 10.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1095 mSDsluCounter, 1020 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3228 IncrementalHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 610 mSDtfsCounter, 3228 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2788 GetRequests, 2605 SyntacticMatches, 29 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12331 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 4 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 58/58 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 - CounterExampleResult [Line: 49]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, q, r, a, b; [L25] x = __VERIFIER_nondet_int() [L26] y = __VERIFIER_nondet_int() [L28] CALL assume_abort_if_not(y >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(y >= 1) [L30] q = 0 [L31] r = x [L32] a = 0 [L33] b = 0 VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L35] COND TRUE 1 VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L36] EXPR y*a VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L36] CALL __VERIFIER_assert(b == y*a) [L15] COND FALSE !(!(cond)) [L36] RET __VERIFIER_assert(b == y*a) VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] EXPR q*y VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] EXPR q*y + r VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] CALL __VERIFIER_assert(x == q*y + r) [L15] COND FALSE !(!(cond)) [L37] RET __VERIFIER_assert(x == q*y + r) VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L39] COND FALSE !(!(r >= y)) [L41] a = 1 [L42] b = y VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L44] COND TRUE 1 VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L45] EXPR y*a VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L45] CALL __VERIFIER_assert(b == y*a) [L15] COND FALSE !(!(cond)) [L45] RET __VERIFIER_assert(b == y*a) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] EXPR q*y VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] EXPR q*y + r VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] CALL __VERIFIER_assert(x == q*y + r) [L15] COND FALSE !(!(cond)) [L46] RET __VERIFIER_assert(x == q*y + r) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L47] CALL __VERIFIER_assert(r >= 0) [L15] COND FALSE !(!(cond)) [L47] RET __VERIFIER_assert(r >= 0) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L49] 2 * b VAL [a=1, q=0, r=1073741824, x=1073741824, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.34ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.59ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 100.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 98.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 97.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.54ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 108.0MB in the end (delta: -10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14659.08ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 108.0MB in the beginning and 48.1MB in the end (delta: 59.9MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. * Witness Printer took 79.59ms. Allocated memory is still 172.0MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:25:10,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905c4437-3026-44a7-94ae-a8d9375cabce/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)