./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-05 22:34:31,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:31,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:34:31,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:34:31,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:34:31,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:31,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:31,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:31,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:31,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:31,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:31,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:34:31,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:31,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:31,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:31,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:31,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:31,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:34:31,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:34:31,771 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_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 22:34:31,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:31,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:31,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:31,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:31,996 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:31,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-nla/hard-both-t.c [2024-12-05 22:34:34,670 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/data/c3cdcec59/1c2aff09b1d94bb4aa911c6aa04635e8/FLAG090239096 [2024-12-05 22:34:34,842 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:34:34,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/sv-benchmarks/c/termination-nla/hard-both-t.c [2024-12-05 22:34:34,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/data/c3cdcec59/1c2aff09b1d94bb4aa911c6aa04635e8/FLAG090239096 [2024-12-05 22:34:35,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/data/c3cdcec59/1c2aff09b1d94bb4aa911c6aa04635e8 [2024-12-05 22:34:35,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:34:35,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:34:35,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:35,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:34:35,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:34:35,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e57357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35, skipping insertion in model container [2024-12-05 22:34:35,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:34:35,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:35,357 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:34:35,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:35,381 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:34:35,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35 WrapperNode [2024-12-05 22:34:35,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:35,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:35,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:34:35,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:34:35,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,402 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-05 22:34:35,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:35,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:34:35,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:34:35,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:34:35,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,412 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:34:35,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:34:35,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:34:35,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:34:35,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:35,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:34:35,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:34:35,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:34:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:34:35,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:34:35,503 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:34:35,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:34:35,688 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-05 22:34:35,689 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:34:35,706 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:34:35,706 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 22:34:35,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:35 BoogieIcfgContainer [2024-12-05 22:34:35,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:34:35,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:34:35,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:34:35,716 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:34:35,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:35" (1/1) ... [2024-12-05 22:34:35,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:34:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2024-12-05 22:34:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-12-05 22:34:35,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:34:35,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:35,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:35,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:34:35,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2024-12-05 22:34:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2024-12-05 22:34:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:34:35,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:35,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:34:35,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2024-12-05 22:34:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-12-05 22:34:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:34:36,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:34:36,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2024-12-05 22:34:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2024-12-05 22:34:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:34:36,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 73 transitions. [2024-12-05 22:34:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2024-12-05 22:34:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:34:36,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:34:36,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2024-12-05 22:34:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2024-12-05 22:34:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:34:36,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:36,728 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:34:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:36,739 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-05 22:34:36,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:34:36 ImpRootNode [2024-12-05 22:34:36,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:34:36,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:34:36,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:34:36,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:34:36,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:35" (3/4) ... [2024-12-05 22:34:36,759 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:34:36,788 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-05 22:34:36,819 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:34:36,819 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:34:36,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:34:36,820 INFO L158 Benchmark]: Toolchain (without parser) took 1590.62ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 94.5MB in the end (delta: 23.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,820 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:36,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.44ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.61ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:36,821 INFO L158 Benchmark]: Boogie Preprocessor took 15.88ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 772.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:36,821 INFO L158 Benchmark]: RCFGBuilder took 286.73ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 91.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,822 INFO L158 Benchmark]: CodeCheck took 1050.25ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 99.1MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:36,822 INFO L158 Benchmark]: Witness Printer took 61.62ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 94.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:36,824 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, 52 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 26 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: 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] [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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.44ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.61ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.88ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 772.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.73ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 91.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1050.25ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 99.1MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.62ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 94.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:34:36,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611173bc-b8db-411d-9d56-67a15d026f24/bin/ukojak-verify-CZk0znPC7b/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)