./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm --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 c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:21,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:21,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:04:21,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:04:21,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:04:21,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:21,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:21,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:21,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:21,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:21,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:21,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:21,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:04:21,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:04:21,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:04:21,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:21,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:21,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:21,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:21,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:21,608 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:04:21,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:04:21,609 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:04:21,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:21,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:21,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:21,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:21,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:21,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:21,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:21,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:21,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:21,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:21,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:04:21,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:04:21,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm 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 -> c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce [2024-11-13 22:04:21,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:21,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:21,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:21,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:21,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:21,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-nla/hard-both-t.c Unable to find full path for "g++" [2024-11-13 22:04:23,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:24,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:24,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/sv-benchmarks/c/termination-nla/hard-both-t.c [2024-11-13 22:04:24,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/data/449167ad1/01849b6eb37e4ffebbd58b21b365bde7/FLAGc452e9031 [2024-11-13 22:04:24,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/data/449167ad1/01849b6eb37e4ffebbd58b21b365bde7 [2024-11-13 22:04:24,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:24,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:24,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:24,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:24,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:24,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b65ea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24, skipping insertion in model container [2024-11-13 22:04:24,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:24,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:24,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:24,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:24,730 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:24,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24 WrapperNode [2024-11-13 22:04:24,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:24,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:24,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:24,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:24,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,760 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 22:04:24,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:24,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:24,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:24,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:24,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:24,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:24,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:24,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:24,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:24" (1/1) ... [2024-11-13 22:04:24,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:24,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:24,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:24,908 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:24,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:25,236 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:25,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:25,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:25,274 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:04:25,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:25 BoogieIcfgContainer [2024-11-13 22:04:25,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:25,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:25,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:25,288 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:25,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:25" (1/1) ... [2024-11-13 22:04:25,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2024-11-13 22:04:25,360 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-11-13 22:04:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:04:25,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:25,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2024-11-13 22:04:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2024-11-13 22:04:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:04:25,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2024-11-13 22:04:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2024-11-13 22:04:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:04:25,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2024-11-13 22:04:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2024-11-13 22:04:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:04:26,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2024-11-13 22:04:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2024-11-13 22:04:26,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:04:26,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:26,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:04:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:27,005 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 22:04:27,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:04:27 ImpRootNode [2024-11-13 22:04:27,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:04:27,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:04:27,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:04:27,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:04:27,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:25" (3/4) ... [2024-11-13 22:04:27,049 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:04:27,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:04:27,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:04:27,099 INFO L158 Benchmark]: Toolchain (without parser) took 2581.81ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 62.7MB in the end (delta: 30.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-13 22:04:27,099 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:27,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.32ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:27,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.36ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 81.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:27,101 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 655.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:27,101 INFO L158 Benchmark]: RCFGBuilder took 495.21ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 67.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:04:27,102 INFO L158 Benchmark]: CodeCheck took 1768.28ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-13 22:04:27,102 INFO L158 Benchmark]: Witness Printer took 52.51ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:27,105 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, 54 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 28 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L28] COND FALSE !(B < 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L35] COND TRUE 1 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] COND FALSE !(!(r >= B * p)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L41] 2 * d VAL [A=1073741824, B=1073741824, p=1, q=0, r=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.32ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.36ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 81.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.73ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 655.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.21ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 67.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1768.28ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 64.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 52.51ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:04:27,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49de25d-80df-481a-8201-cda2f16bff74/bin/ukojak-verify-EEHR8qb7sm/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)