./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/lcm1.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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:22:44,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:22:44,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:22:44,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:22:44,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:22:44,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:22:44,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:22:44,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:22:44,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:22:44,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:22:44,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:22:44,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:22:44,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:22:44,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:22:44,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:22:44,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:22:44,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:22:44,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:22:44,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:22:44,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:22:44,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:22:44,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:44,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:22:44,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:22:44,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:22:44,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:22:44,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:22:44,841 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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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 -> 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd [2024-11-13 21:22:45,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:22:45,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:22:45,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:22:45,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:22:45,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:22:45,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/lcm1.c Unable to find full path for "g++" [2024-11-13 21:22:47,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:22:47,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:22:47,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/sv-benchmarks/c/nla-digbench/lcm1.c [2024-11-13 21:22:47,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data/44a9ad986/c2a329f81cc34803baf9a6c25a662516/FLAG05ea2fe46 [2024-11-13 21:22:47,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data/44a9ad986/c2a329f81cc34803baf9a6c25a662516 [2024-11-13 21:22:47,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:22:47,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:22:47,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:47,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:22:47,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:22:47,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d27a7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47, skipping insertion in model container [2024-11-13 21:22:47,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:22:47,519 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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-11-13 21:22:47,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:47,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:22:47,575 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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-11-13 21:22:47,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:47,601 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:22:47,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47 WrapperNode [2024-11-13 21:22:47,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:47,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:47,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:22:47,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:22:47,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,640 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-11-13 21:22:47,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:47,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:22:47,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:22:47,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:22:47,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:22:47,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:22:47,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:22:47,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:22:47,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:47" (1/1) ... [2024-11-13 21:22:47,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:22:47,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:22:47,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:22:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:22:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:22:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:22:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:22:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:22:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:22:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:22:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:22:47,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:22:47,821 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:22:47,967 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:22:47,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:22:48,006 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:22:48,006 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:22:48,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:48 BoogieIcfgContainer [2024-11-13 21:22:48,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:22:48,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:22:48,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:22:48,016 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:22:48,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:48" (1/1) ... [2024-11-13 21:22:48,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:22:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 21:22:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 21:22:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:22:48,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:48,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:48,241 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 21:22:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:22:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:22:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:22:48,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:48,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:48,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:22:48,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:48,594 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 21:22:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 21:22:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 21:22:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:22:48,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:48,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:58,956 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:22:58,960 INFO L158 Benchmark]: Toolchain (without parser) took 11643.68ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 88.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-13 21:22:58,960 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:58,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.52ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:58,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.94ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:58,962 INFO L158 Benchmark]: Boogie Preprocessor took 24.59ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 821.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:58,962 INFO L158 Benchmark]: RCFGBuilder took 339.96ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:58,962 INFO L158 Benchmark]: CodeCheck took 10951.37ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 88.2MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:58,965 INFO L338 ainManager$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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.52ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.94ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.59ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 821.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 339.96ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10951.37ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 88.2MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:22:58,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:01,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:01,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:23:01,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:01,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:01,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:01,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:01,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:01,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:23:01,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:01,785 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:01,785 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:23:01,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:01,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:01,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:01,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:01,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:01,786 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:23:01,787 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:01,787 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:23:01,787 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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/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 -> 127eafc67dbf4c09ebdb87b122412adad2353ff20b5e6bda1f5cac7c627afccd [2024-11-13 21:23:02,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:02,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:02,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:02,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:02,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:02,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/lcm1.c Unable to find full path for "g++" [2024-11-13 21:23:04,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:04,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:04,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/sv-benchmarks/c/nla-digbench/lcm1.c [2024-11-13 21:23:04,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data/0e9702272/6387b1055cde4d268fada081e75a9484/FLAG3bf8acb47 [2024-11-13 21:23:04,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/data/0e9702272/6387b1055cde4d268fada081e75a9484 [2024-11-13 21:23:04,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:04,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:04,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:04,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:04,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:04,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7055af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04, skipping insertion in model container [2024-11-13 21:23:04,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:04,500 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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-11-13 21:23:04,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:04,544 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:04,561 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_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/sv-benchmarks/c/nla-digbench/lcm1.c[552,565] [2024-11-13 21:23:04,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:04,593 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:04,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04 WrapperNode [2024-11-13 21:23:04,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:04,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:04,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:04,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:04,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,633 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2024-11-13 21:23:04,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:04,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:04,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:04,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:04,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:04,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:04,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:04,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:04,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:04" (1/1) ... [2024-11-13 21:23:04,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:04,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:04,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:04,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:23:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:23:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:23:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:23:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:23:04,825 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:04,827 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:23:05,024 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:23:05,025 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:23:05,071 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:23:05,072 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:23:05,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:05 BoogieIcfgContainer [2024-11-13 21:23:05,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:23:05,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:23:05,073 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:23:05,083 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:23:05,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:05" (1/1) ... [2024-11-13 21:23:05,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:23:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 21:23:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 21:23:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:23:05,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:05,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:05,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:05,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:05,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:23:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:05,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:05,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:23:05,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:05,369 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 21:23:05,370 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:23:05,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:23:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:23:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:23:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:23:05,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:05,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:05,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:05,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:05,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:23:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:05,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:15,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:23:15,848 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:23:15,852 INFO L158 Benchmark]: Toolchain (without parser) took 11555.85ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 48.4MB in the end (delta: 43.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:23:15,853 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:15,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.26ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:15,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.10ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:15,854 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.5MB in the end (delta: 881.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:15,854 INFO L158 Benchmark]: RCFGBuilder took 400.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 64.8MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:15,855 INFO L158 Benchmark]: CodeCheck took 10777.31ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 48.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:15,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.26ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.10ms. Allocated memory is still 117.4MB. Free memory was 80.5MB 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 34.56ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.5MB in the end (delta: 881.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 64.8MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10777.31ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 48.4MB in the end (delta: 16.3MB). 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 21:23:15,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e081a-91a8-4ceb-85a7-1cc41f40a319/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown