./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/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_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/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 64bit --witnessprinter.graph.data.programhash 65bf51258db9d1060ac04f6eb447a3edfae2476b23881e44c2b30493b7b492fc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:18:00,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:18:00,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:18:00,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:18:00,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:18:00,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:18:00,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:18:00,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:18:00,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:18:00,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:18:00,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:18:00,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:18:00,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:18:00,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:18:00,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:18:00,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:18:00,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:18:00,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:18:00,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:18:00,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:18:00,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:18:00,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:18:00,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:18:00,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:18:00,706 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:18:00,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:18:00,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:00,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:18:00,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:18:00,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:18:00,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:18:00,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:18:00,710 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_b4b69d0b-669b-4881-a061-1ed1e974d004/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf51258db9d1060ac04f6eb447a3edfae2476b23881e44c2b30493b7b492fc [2024-11-08 23:18:01,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:18:01,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:18:01,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:18:01,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:18:01,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:18:01,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted/Pure3Phase-2.c Unable to find full path for "g++" [2024-11-08 23:18:03,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:18:03,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:18:03,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/sv-benchmarks/c/termination-crafted/Pure3Phase-2.c [2024-11-08 23:18:03,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/data/bbe3eac2f/77130252cc9246608a4d14481571e7cb/FLAGca09d0a23 [2024-11-08 23:18:03,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/data/bbe3eac2f/77130252cc9246608a4d14481571e7cb [2024-11-08 23:18:03,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:18:03,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:18:03,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:03,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:18:03,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:18:03,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:03,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c779ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03, skipping insertion in model container [2024-11-08 23:18:03,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:03,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:18:03,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:03,927 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:18:03,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:03,969 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:18:03,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03 WrapperNode [2024-11-08 23:18:03,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:03,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:03,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:18:03,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:18:03,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:03,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,001 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-08 23:18:04,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:04,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:18:04,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:18:04,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:18:04,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:18:04,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:18:04,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:18:04,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:18:04,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:03" (1/1) ... [2024-11-08 23:18:04,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:04,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:18:04,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:18:04,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:18:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:18:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:18:04,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:18:04,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:18:04,385 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 23:18:04,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:18:04,415 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:18:04,415 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:18:04,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:04 BoogieIcfgContainer [2024-11-08 23:18:04,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:18:04,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:18:04,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:18:04,431 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:18:04,431 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:04" (1/1) ... [2024-11-08 23:18:04,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-08 23:18:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-08 23:18:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:18:04,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,788 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 23:18:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-08 23:18:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-08 23:18:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:18:04,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:04,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:05,076 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 23:18:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2024-11-08 23:18:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-08 23:18:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:18:05,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:05,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:05,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:05,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:05,602 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 23:18:05,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:18:05 ImpRootNode [2024-11-08 23:18:05,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:18:05,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:18:05,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:18:05,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:18:05,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:04" (3/4) ... [2024-11-08 23:18:05,639 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:18:05,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:18:05,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:18:05,686 INFO L158 Benchmark]: Toolchain (without parser) took 2074.14ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 95.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,687 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.30ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 86.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.98ms. Allocated memory is still 127.9MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,689 INFO L158 Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 84.4MB in the end (delta: 896.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,689 INFO L158 Benchmark]: RCFGBuilder took 389.49ms. Allocated memory is still 127.9MB. Free memory was 84.4MB in the beginning and 73.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,690 INFO L158 Benchmark]: CodeCheck took 1218.83ms. Allocated memory is still 127.9MB. Free memory was 73.6MB in the beginning and 98.0MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:05,691 INFO L158 Benchmark]: Witness Printer took 47.89ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 95.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:05,695 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 1 procedures, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 20 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y, z; [L20] x = __VERIFIER_nondet_int() [L21] y = __VERIFIER_nondet_int() [L22] z = __VERIFIER_nondet_int() [L23] COND FALSE !(x >= 0) VAL [x=2147483647, y=0, z=1] [L23] COND TRUE x >= 0 [L24] COND FALSE !(__VERIFIER_nondet_int() != 0) [L27] x + z VAL [y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.30ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 86.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.98ms. Allocated memory is still 127.9MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.99ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 84.4MB in the end (delta: 896.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.49ms. Allocated memory is still 127.9MB. Free memory was 84.4MB in the beginning and 73.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1218.83ms. Allocated memory is still 127.9MB. Free memory was 73.6MB in the beginning and 98.0MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.89ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 95.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:18:05,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b69d0b-669b-4881-a061-1ed1e974d004/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)