./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3 --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 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:00:25,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:00:25,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:00:25,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:00:25,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:00:25,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:00:25,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:00:25,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:00:25,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:00:25,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:00:25,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:00:25,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:00:25,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:00:25,258 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:00:25,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:00:25,259 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:00:25,259 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:00:25,259 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:00:25,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:00:25,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:00:25,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:00:25,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:00:25,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:00:25,260 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:00:25,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:00:25,260 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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3 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 -> 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f [2024-11-25 03:00:25,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:00:25,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:00:25,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:00:25,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:00:25,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:00:25,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-11-25 03:00:28,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/6c7d788fe/b2d128459758404fa06c805b648f6fad/FLAG11a17cb27 [2024-11-25 03:00:28,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:00:28,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-11-25 03:00:28,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/6c7d788fe/b2d128459758404fa06c805b648f6fad/FLAG11a17cb27 [2024-11-25 03:00:29,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/6c7d788fe/b2d128459758404fa06c805b648f6fad [2024-11-25 03:00:29,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:00:29,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:00:29,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:00:29,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:00:29,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:00:29,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33646a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29, skipping insertion in model container [2024-11-25 03:00:29,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:00:29,467 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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-25 03:00:29,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:00:29,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:00:29,511 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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-25 03:00:29,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:00:29,531 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:00:29,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29 WrapperNode [2024-11-25 03:00:29,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:00:29,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:00:29,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:00:29,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:00:29,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,562 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 03:00:29,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:00:29,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:00:29,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:00:29,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:00:29,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:00:29,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:00:29,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:00:29,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:00:29,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:00:29,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:00:29,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:00:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:00:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:00:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:00:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:00:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:00:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:00:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:00:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:00:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:00:29,736 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:00:29,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:00:29,881 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:00:29,881 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:00:29,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:00:29,937 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:00:29,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:29 BoogieIcfgContainer [2024-11-25 03:00:29,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:00:29,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:00:29,939 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:00:29,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:00:29,951 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:29" (1/1) ... [2024-11-25 03:00:29,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:00:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 03:00:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 03:00:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:00:30,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:30,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:00:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:30,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:00:30,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:00:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:00:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 03:00:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 03:00:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:00:30,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:00:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-25 03:00:33,017 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-25 03:00:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:00:33,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:33,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:00:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:33,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:00:33,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:00:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:00:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 03:00:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 03:00:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:00:41,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:00:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:00:51,748 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:00:51,753 INFO L158 Benchmark]: Toolchain (without parser) took 22486.98ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 62.1MB in the end (delta: 31.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-25 03:00:51,754 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:00:51,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.09ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:00:51,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.50ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:00:51,755 INFO L158 Benchmark]: Boogie Preprocessor took 30.21ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.9MB in the end (delta: 854.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:00:51,756 INFO L158 Benchmark]: RCFGBuilder took 343.06ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:00:51,757 INFO L158 Benchmark]: CodeCheck took 21813.48ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 62.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-25 03:00:51,760 INFO L338 ainManager$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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.09ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.50ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.21ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.9MB in the end (delta: 854.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 343.06ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 21813.48ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 62.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:00:51,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3 --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 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:00:54,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:00:54,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:00:54,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:00:54,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:00:54,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:00:54,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:00:54,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:00:54,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:00:54,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:00:54,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:00:54,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:00:54,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:00:54,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:00:54,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:00:54,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:00:54,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:00:54,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:00:54,537 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:00:54,537 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:00:54,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:00:54,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:00:54,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:00:54,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:00:54,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:00:54,538 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:00:54,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:00:54,538 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:00:54,538 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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3 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 -> 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f [2024-11-25 03:00:54,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:00:54,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:00:54,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:00:54,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:00:54,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:00:54,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-11-25 03:00:57,914 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/e37624e6c/c9d963d1a7c14e0db3353d2651af435c/FLAG8abaf8d76 [2024-11-25 03:00:58,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:00:58,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-11-25 03:00:58,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/e37624e6c/c9d963d1a7c14e0db3353d2651af435c/FLAG8abaf8d76 [2024-11-25 03:00:58,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/data/e37624e6c/c9d963d1a7c14e0db3353d2651af435c [2024-11-25 03:00:58,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:00:58,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:00:58,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:00:58,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:00:58,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:00:58,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80d2fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58, skipping insertion in model container [2024-11-25 03:00:58,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:00:58,484 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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-25 03:00:58,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:00:58,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:00:58,541 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_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-25 03:00:58,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:00:58,574 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:00:58,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58 WrapperNode [2024-11-25 03:00:58,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:00:58,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:00:58,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:00:58,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:00:58,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,614 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 03:00:58,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:00:58,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:00:58,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:00:58,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:00:58,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,637 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:00:58,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:00:58,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:00:58,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:00:58,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:58,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:00:58,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:00:58,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:00:58,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:00:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:00:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:00:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:00:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:00:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:00:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:00:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:00:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:00:58,782 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:00:58,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:00:58,936 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:00:58,936 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:00:58,987 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:00:58,987 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:00:58,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:58 BoogieIcfgContainer [2024-11-25 03:00:58,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:00:58,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:00:58,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:00:58,999 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:00:59,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:58" (1/1) ... [2024-11-25 03:00:59,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:00:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 03:00:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 03:00:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:00:59,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:59,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:00:59,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:00:59,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:00:59,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:00:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:59,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:00:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:59,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:00:59,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:00:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 03:00:59,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:01:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 35 transitions. [2024-11-25 03:01:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 03:01:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:01:00,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:00,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:01:00,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:01:00,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:01:00,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:01:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:00,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:01:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:00,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:01:00,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:01:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 03:01:02,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:01:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 44 transitions. [2024-11-25 03:01:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-11-25 03:01:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:01:04,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:04,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:01:04,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:01:04,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:01:04,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:01:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:04,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:01:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:04,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:01:04,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:01:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 03:01:05,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:01:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 53 transitions. [2024-11-25 03:01:11,715 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-11-25 03:01:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 03:01:11,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:11,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:01:11,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:01:11,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:01:11,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:01:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:12,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:01:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:12,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 03:01:12,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:01:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-25 03:01:15,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:01:26,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 34 states and 57 transitions. [2024-11-25 03:01:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-11-25 03:01:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 03:01:26,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:26,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:01:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:01:26,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:01:26,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:01:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:27,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:01:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:27,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:01:27,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:01:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 03:01:39,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:02:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 62 transitions. [2024-11-25 03:02:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-11-25 03:02:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:02:04,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:04,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:02:04,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:02:04,893 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:02:04,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:02:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:05,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:02:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:06,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 03:02:06,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:02:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 03:02:25,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:02:41,031 WARN L286 SmtUtils]: Spent 14.22s on a formula simplification. DAG size of input: 163 DAG size of output: 156 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:02:54,331 WARN L286 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:03:09,031 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 206 DAG size of output: 205 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:03:25,210 WARN L286 SmtUtils]: Spent 13.40s on a formula simplification that was a NOOP. DAG size: 206 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:03:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 67 transitions. [2024-11-25 03:03:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-11-25 03:03:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 03:03:26,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:26,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:03:26,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:03:26,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:03:26,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:03:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:27,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:03:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:27,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:03:27,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:03:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-25 03:03:56,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:04:20,705 WARN L286 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 170 DAG size of output: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:04:45,159 WARN L286 SmtUtils]: Spent 22.75s on a formula simplification. DAG size of input: 172 DAG size of output: 140 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:05:02,900 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:05:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 28 states and 41 transitions. [2024-11-25 03:05:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-25 03:05:04,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:05:04,298 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 03:05:04,306 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:05:11,640 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:05:11,640 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (not (and (not (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32))) (bvuge |ULTIMATE.start_main_~a~0#1| (_ bv1 32)) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)))) [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)) [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)) [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L38(lines 37 50) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L43-2(lines 37 50) the Hoare annotation is: true [2024-11-25 03:05:11,641 INFO L77 FloydHoareUtils]: At program point L37-2(lines 37 50) the Hoare annotation is: true [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: (not (= (_ bv0 32) |assume_abort_if_not_#in~cond|)) [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (= (_ bv1 32) __VERIFIER_assert_~cond) (not (= __VERIFIER_assert_~cond |__VERIFIER_assert_#in~cond|)))) [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: true [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-25 03:05:11,642 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-25 03:05:11,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:05:11 ImpRootNode [2024-11-25 03:05:11,658 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:05:11,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:05:11,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:05:11,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:05:11,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:58" (3/4) ... [2024-11-25 03:05:11,663 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:05:11,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 03:05:11,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 03:05:11,672 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-25 03:05:11,672 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 03:05:11,673 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:05:11,673 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:05:11,673 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:05:11,763 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:05:11,763 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:05:11,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:05:11,765 INFO L158 Benchmark]: Toolchain (without parser) took 253489.71ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 92.1MB in the beginning and 113.1MB in the end (delta: -20.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-25 03:05:11,765 INFO L158 Benchmark]: CDTParser took 3.71ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:11,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:05:11,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.95ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:11,767 INFO L158 Benchmark]: Boogie Preprocessor took 36.45ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.2MB in the end (delta: 910.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:11,767 INFO L158 Benchmark]: RCFGBuilder took 333.56ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 64.0MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:05:11,768 INFO L158 Benchmark]: CodeCheck took 252669.51ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 64.0MB in the beginning and 117.4MB in the end (delta: -53.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-25 03:05:11,768 INFO L158 Benchmark]: Witness Printer took 104.31ms. Allocated memory is still 184.5MB. Free memory was 117.4MB in the beginning and 113.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:11,769 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 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 245.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 27.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 25.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 403 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1167 IncrementalHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 403 mSolverCounterUnsat, 200 mSDtfsCounter, 1167 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2263 GetRequests, 2140 SyntacticMatches, 49 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2114 ImplicationChecksByTransitivity, 196.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 66.8s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 6111 SizeOfPredicates, 10 NumberOfNonLiveVariables, 563 ConjunctsInSsa, 183 ConjunctsInUnsatCore, 7 InterpolantComputations, 0 PerfectInterpolantSequences, 288/377 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 - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (0 != cond) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.71ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.95ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.45ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.2MB in the end (delta: 910.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.56ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 64.0MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 252669.51ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 64.0MB in the beginning and 117.4MB in the end (delta: -53.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 104.31ms. Allocated memory is still 184.5MB. Free memory was 117.4MB in the beginning and 113.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:05:11,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a1aa95-e9da-4ce3-b317-7e5c9ffe3a85/bin/ukojak-verify-ENZ3QT5qd3/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: TRUE