./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/lcm2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm --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 e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:35:17,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:35:17,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:35:17,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:35:17,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:35:17,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:35:17,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:35:17,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:35:17,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:35:17,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:35:17,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:35:17,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:35:17,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:35:17,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:35:17,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:35:17,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:35:17,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:35:17,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:35:17,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:35:17,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:35:17,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:35:17,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:35:17,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:35:17,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:35:17,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:35:17,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:35:17,341 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 [2024-11-13 16:35:17,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:35:17,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:35:17,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:35:17,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:35:17,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:35:17,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/lcm2.c Unable to find full path for "g++" [2024-11-13 16:35:19,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:35:19,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:35:19,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/sv-benchmarks/c/nla-digbench/lcm2.c [2024-11-13 16:35:19,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data/370204701/4d789606e8544778aa93dd1ccd1fe723/FLAGebba5832f [2024-11-13 16:35:20,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data/370204701/4d789606e8544778aa93dd1ccd1fe723 [2024-11-13 16:35:20,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:35:20,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:35:20,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:35:20,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:35:20,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:35:20,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a695d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20, skipping insertion in model container [2024-11-13 16:35:20,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:35:20,429 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-11-13 16:35:20,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:35:20,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:35:20,472 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-11-13 16:35:20,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:35:20,493 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:35:20,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20 WrapperNode [2024-11-13 16:35:20,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:35:20,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:35:20,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:35:20,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:35:20,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,526 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2024-11-13 16:35:20,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:35:20,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:35:20,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:35:20,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:35:20,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:35:20,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:35:20,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:35:20,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:35:20,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:20,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:35:20,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:35:20,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:35:20,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:35:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:35:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:35:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:35:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:35:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:35:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:35:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:35:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:35:20,700 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:35:20,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:35:20,902 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 16:35:20,903 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:35:20,975 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:35:20,977 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:35:20,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:20 BoogieIcfgContainer [2024-11-13 16:35:20,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:35:20,979 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:35:20,979 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:35:20,990 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:35:20,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:20" (1/1) ... [2024-11-13 16:35:21,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 16:35:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 16:35:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:35:21,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:35:21,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 16:35:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 16:35:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:35:21,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:21,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:21,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:35:21,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 16:35:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 16:35:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 16:35:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:35:21,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:22,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:35:22,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:35:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-13 16:35:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-13 16:35:22,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:35:22,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:35:24,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:35:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 16:35:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 16:35:25,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:35:25,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:25,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:32,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:35:32,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:35:48,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:35:50,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:35:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-13 16:35:51,856 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-13 16:35:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 16:35:51,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:51,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:59,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:35:59,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:37:06,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:37:19,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:37:20,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:37:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2024-11-13 16:37:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2024-11-13 16:37:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 16:37:21,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:21,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:37:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:37:31,282 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:37:31,286 INFO L158 Benchmark]: Toolchain (without parser) took 131017.33ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 45.8MB in the end (delta: 47.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 16:37:31,286 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:31,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.11ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:37:31,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.17ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:31,287 INFO L158 Benchmark]: Boogie Preprocessor took 18.72ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 655.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:37:31,288 INFO L158 Benchmark]: RCFGBuilder took 432.29ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 67.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:37:31,288 INFO L158 Benchmark]: CodeCheck took 130306.24ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 45.8MB in the end (delta: 21.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 16:37:31,293 INFO L338 ainManager$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 1.22ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.11ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.17ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.72ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 655.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 432.29ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 67.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 130306.24ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 45.8MB in the end (delta: 21.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:37:31,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm --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 e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:37:34,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:37:34,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:37:34,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:37:34,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:37:34,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:37:34,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:37:34,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:37:34,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:37:34,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:37:34,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:37:34,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:37:34,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:37:34,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:37:34,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:37:34,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:37:34,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:37:34,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:37:34,205 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:37:34,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:37:34,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:34,206 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:37:34,206 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 [2024-11-13 16:37:34,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:37:34,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:37:34,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:37:34,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:37:34,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:37:34,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/lcm2.c Unable to find full path for "g++" [2024-11-13 16:37:36,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:37:36,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:37:36,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/sv-benchmarks/c/nla-digbench/lcm2.c [2024-11-13 16:37:36,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data/06251c668/725c8b9b6b6a473bbf5a3a4ff7d83f0b/FLAG6789ff1de [2024-11-13 16:37:36,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/data/06251c668/725c8b9b6b6a473bbf5a3a4ff7d83f0b [2024-11-13 16:37:36,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:37:36,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:37:36,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:37:36,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:37:36,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:37:36,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f091c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36, skipping insertion in model container [2024-11-13 16:37:36,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:37:37,061 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-11-13 16:37:37,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:37:37,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:37:37,124 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_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-11-13 16:37:37,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:37:37,155 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:37:37,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37 WrapperNode [2024-11-13 16:37:37,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:37:37,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:37:37,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:37:37,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:37:37,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,193 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2024-11-13 16:37:37,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:37:37,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:37:37,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:37:37,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:37:37,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:37:37,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:37:37,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:37:37,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:37:37,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:37:37,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:37:37,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:37:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:37:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:37:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:37:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:37:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:37:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:37:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:37:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:37:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:37:37,365 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:37:37,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:37:37,572 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 16:37:37,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:37:37,660 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:37:37,664 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:37:37,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:37 BoogieIcfgContainer [2024-11-13 16:37:37,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:37:37,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:37:37,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:37:37,675 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:37:37,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:37:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 16:37:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 16:37:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:37:37,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:37,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:37,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:37,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:37,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:37:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:37,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:37,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:37:37,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:37:37,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:37:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 16:37:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 16:37:37,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:37:37,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:37,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:37,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:37,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:37,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:37:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:38,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:37:48,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:37:48,279 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:37:48,285 INFO L158 Benchmark]: Toolchain (without parser) took 11439.97ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 46.6MB in the end (delta: 45.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:37:48,286 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:48,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.75ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:37:48,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.15ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:48,287 INFO L158 Benchmark]: Boogie Preprocessor took 40.32ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.6MB in the end (delta: 806.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:48,288 INFO L158 Benchmark]: RCFGBuilder took 427.72ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 63.6MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:37:48,289 INFO L158 Benchmark]: CodeCheck took 10619.22ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 46.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:37:48,291 INFO L338 ainManager$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 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.75ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.15ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.32ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.6MB in the end (delta: 806.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.72ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 63.6MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10619.22ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 46.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:37:48,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f9e25-5128-4d92-9800-9eb54c2d3e6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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