./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/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_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:56,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:56,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:18:56,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:56,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:56,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:56,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:56,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:56,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:56,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:56,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:56,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:56,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:56,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:56,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:56,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:56,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:56,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:56,332 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_020b2d4b-aa0a-4985-b27e-90bd84381a89/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 ! call(reach_error())) ) 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 -> f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 [2024-12-06 01:18:56,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:56,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:56,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:56,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:56,571 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:56,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-12-06 01:18:59,211 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/9ebc49191/eb44c36365334c0db49516699b360fe4/FLAG536f9f654 [2024-12-06 01:18:59,427 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:59,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-12-06 01:18:59,435 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/9ebc49191/eb44c36365334c0db49516699b360fe4/FLAG536f9f654 [2024-12-06 01:18:59,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/9ebc49191/eb44c36365334c0db49516699b360fe4 [2024-12-06 01:18:59,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:59,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:59,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:59,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:59,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:59,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf96296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59, skipping insertion in model container [2024-12-06 01:18:59,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:59,919 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-12-06 01:18:59,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:59,943 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:59,951 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-12-06 01:18:59,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:59,967 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:59,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59 WrapperNode [2024-12-06 01:18:59,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:59,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:59,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:59,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:59,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,989 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 01:18:59,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:59,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:59,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:59,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:59,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:18:59,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:19:00,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:19:00,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:19:00,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:19:00,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:19:00,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:19:00,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:19:00,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:19:00,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:19:00,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:59" (1/1) ... [2024-12-06 01:19:00,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:00,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:19:00,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:19:00,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:19:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:19:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:19:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:19:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:19:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:19:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:19:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:19:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:19:00,105 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:19:00,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:19:00,214 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:19:00,214 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:19:00,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:19:00,243 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:19:00,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:00 BoogieIcfgContainer [2024-12-06 01:19:00,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:19:00,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:19:00,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:19:00,250 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:19:00,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:00" (1/1) ... [2024-12-06 01:19:00,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:19:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 01:19:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 01:19:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:19:00,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:00,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:00,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:19:00,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:19:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:00,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 01:19:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 01:19:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:19:00,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:19:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 01:19:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 01:19:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:19:01,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:01,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:02,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:19:02,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:25,518 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:19:35,528 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:19:40,884 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:19:50,612 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:20:00,683 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:20:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:20:53,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:21:09,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:21:12,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:21:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-12-06 01:21:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-12-06 01:21:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:21:12,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:13,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:21:13,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:26,904 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:21:36,918 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:21:48,173 WARN L286 SmtUtils]: Spent 11.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:22:03,378 WARN L286 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 01:22:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 01:22:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 42 transitions. [2024-12-06 01:22:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-12-06 01:22:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:22:07,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:07,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:22:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:22:18,081 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:22:18,084 INFO L158 Benchmark]: Toolchain (without parser) took 198292.56ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 51.2MB in the end (delta: 65.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-12-06 01:22:18,085 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:18,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.21ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:18,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.58ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:18,086 INFO L158 Benchmark]: Boogie Preprocessor took 15.91ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.4MB in the end (delta: 738.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:18,086 INFO L158 Benchmark]: RCFGBuilder took 236.68ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 90.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:18,086 INFO L158 Benchmark]: CodeCheck took 197839.80ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 51.2MB in the end (delta: 38.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-12-06 01:22:18,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * 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 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.21ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.58ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.91ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.4MB in the end (delta: 738.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 236.68ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 90.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 197839.80ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 51.2MB in the end (delta: 38.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:22:18,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/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_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:22:19,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:22:20,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:22:20,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:22:20,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:22:20,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:22:20,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:22:20,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:22:20,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:22:20,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:22:20,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:22:20,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:22:20,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:22:20,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:22:20,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:20,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:22:20,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:22:20,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:22:20,065 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:22:20,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:20,065 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:22:20,065 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_020b2d4b-aa0a-4985-b27e-90bd84381a89/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 ! call(reach_error())) ) 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 -> f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 [2024-12-06 01:22:20,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:22:20,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:22:20,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:22:20,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:22:20,297 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:22:20,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-12-06 01:22:22,999 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/e6441654d/6ee31a81bbfd4f7ca7620f2e579c2797/FLAG2cc1cb224 [2024-12-06 01:22:23,165 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:22:23,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-12-06 01:22:23,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/e6441654d/6ee31a81bbfd4f7ca7620f2e579c2797/FLAG2cc1cb224 [2024-12-06 01:22:23,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/data/e6441654d/6ee31a81bbfd4f7ca7620f2e579c2797 [2024-12-06 01:22:23,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:22:23,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:22:23,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:23,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:22:23,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:22:23,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de9c8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23, skipping insertion in model container [2024-12-06 01:22:23,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:22:23,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-12-06 01:22:23,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:23,365 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:22:23,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-12-06 01:22:23,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:23,396 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:22:23,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23 WrapperNode [2024-12-06 01:22:23,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:23,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:23,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:22:23,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:22:23,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,419 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 01:22:23,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:23,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:22:23,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:22:23,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:22:23,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:22:23,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:22:23,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:22:23,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:22:23,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:23,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:22:23,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:22:23,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:22:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:22:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:22:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:22:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:22:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:22:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:22:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:22:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:22:23,544 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:22:23,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:22:23,660 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:22:23,660 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:22:23,704 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:22:23,704 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:22:23,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:23 BoogieIcfgContainer [2024-12-06 01:22:23,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:22:23,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:22:23,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:22:23,713 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:22:23,713 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:23" (1/1) ... [2024-12-06 01:22:23,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:22:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 01:22:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 01:22:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:22:23,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:23,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:23,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:23,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:23,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:22:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:23,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:25,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:22:25,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:22:25,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:22:27,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:22:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 35 transitions. [2024-12-06 01:22:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 01:22:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:22:27,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:27,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:27,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:27,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:22:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:27,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:27,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:22:27,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:22:28,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 01:22:30,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:22:36,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.32s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:22:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 44 transitions. [2024-12-06 01:22:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-06 01:22:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:22:36,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:36,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:36,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:37,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:22:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:37,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:42,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:22:42,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:22:45,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:23:07,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.37s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:23:10,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:23:13,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:23:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 50 transitions. [2024-12-06 01:23:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-12-06 01:23:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:23:13,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:13,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:13,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:13,315 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:13,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:23:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:14,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:20,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 01:23:20,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:23:39,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:23:56,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:24:43,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:24:44,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:24:48,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:24:53,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:24:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:24:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 33 states and 55 transitions. [2024-12-06 01:24:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 01:24:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:24:53,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:24:53,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:24:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:24:53,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:24:53,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:24:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:24:55,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:25:05,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 01:25:05,209 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:25:05,213 INFO L158 Benchmark]: Toolchain (without parser) took 162021.86ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-12-06 01:25:05,213 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:05,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.16ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:05,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.66ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:05,214 INFO L158 Benchmark]: Boogie Preprocessor took 19.55ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.9MB in the end (delta: 965.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:05,215 INFO L158 Benchmark]: RCFGBuilder took 264.39ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:05,215 INFO L158 Benchmark]: CodeCheck took 161506.61ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 58.9MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:05,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.16ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.66ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.55ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.9MB in the end (delta: 965.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 264.39ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 161506.61ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 58.9MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:25:05,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_020b2d4b-aa0a-4985-b27e-90bd84381a89/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown