./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:44:56,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:44:56,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:44:56,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:44:56,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:44:56,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:44:56,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:44:56,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:44:56,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:44:56,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:44:56,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:44:56,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:44:56,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:44:56,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:44:56,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:44:56,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:44:56,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:44:56,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:44:56,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:44:56,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:44:56,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:44:56,182 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_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef [2024-11-25 02:44:56,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:44:56,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:44:56,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:44:56,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:44:56,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:44:56,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-11-25 02:45:00,526 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/b3891c944/0943c5b4bc8e4cdcb9fddeb721767180/FLAGce7da33f0 [2024-11-25 02:45:00,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:45:00,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-11-25 02:45:00,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/b3891c944/0943c5b4bc8e4cdcb9fddeb721767180/FLAGce7da33f0 [2024-11-25 02:45:00,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/b3891c944/0943c5b4bc8e4cdcb9fddeb721767180 [2024-11-25 02:45:00,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:45:00,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:45:00,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:00,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:45:00,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:45:00,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:00" (1/1) ... [2024-11-25 02:45:00,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43668568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:00, skipping insertion in model container [2024-11-25 02:45:00,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:00" (1/1) ... [2024-11-25 02:45:00,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:45:01,189 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_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-25 02:45:01,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:01,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:45:01,263 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_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-25 02:45:01,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:01,301 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:45:01,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01 WrapperNode [2024-11-25 02:45:01,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:01,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:01,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:45:01,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:45:01,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,352 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-25 02:45:01,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:01,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:45:01,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:45:01,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:45:01,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:45:01,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:45:01,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:45:01,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:45:01,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:45:01,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:45:01,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:45:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:45:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:45:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:45:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:45:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:45:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:45:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:45:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:45:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:45:01,589 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:45:01,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:45:01,901 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 02:45:01,902 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:45:01,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:45:01,950 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 02:45:01,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:01 BoogieIcfgContainer [2024-11-25 02:45:01,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:45:01,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:45:01,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:45:01,966 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:45:01,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:01" (1/1) ... [2024-11-25 02:45:01,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:45:02,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-25 02:45:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-25 02:45:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:45:02,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:45:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 02:45:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 02:45:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:45:02,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:02,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:45:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-11-25 02:45:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-25 02:45:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:45:02,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:02,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:45:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:02,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:45:02,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:45:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-25 02:45:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-25 02:45:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:45:03,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:45:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:45:13,593 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:45:13,599 INFO L158 Benchmark]: Toolchain (without parser) took 12661.58ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-25 02:45:13,599 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:13,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.63ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:45:13,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.59ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:13,601 INFO L158 Benchmark]: Boogie Preprocessor took 37.60ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.3MB in the end (delta: 734.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:45:13,602 INFO L158 Benchmark]: RCFGBuilder took 557.08ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 90.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:45:13,603 INFO L158 Benchmark]: CodeCheck took 11645.02ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 105.1MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:13,607 INFO L338 ainManager$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 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.63ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.59ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.60ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.3MB in the end (delta: 734.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 557.08ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 90.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11645.02ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 105.1MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:45:13,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:45:17,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:45:17,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:45:17,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:45:17,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:45:17,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:45:17,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:45:17,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:45:17,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:45:17,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:45:17,717 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:45:17,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:45:17,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:45:17,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:45:17,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:45:17,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:45:17,719 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:45:17,719 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:45:17,720 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:45:17,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:45:17,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:45:17,720 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:45:17,720 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:45:17,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:45:17,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:45:17,721 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:45:17,721 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:17,722 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:45:17,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:45:17,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:45:17,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:45:17,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:45:17,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:45:17,724 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:45:17,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:17,724 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:45:17,724 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_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef [2024-11-25 02:45:18,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:45:18,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:45:18,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:45:18,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:45:18,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:45:18,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-11-25 02:45:21,531 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/1c9643b1c/91059c4f099645c5bd9d00e923c6a358/FLAG27ea46c48 [2024-11-25 02:45:21,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:45:21,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-11-25 02:45:21,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/1c9643b1c/91059c4f099645c5bd9d00e923c6a358/FLAG27ea46c48 [2024-11-25 02:45:21,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/data/1c9643b1c/91059c4f099645c5bd9d00e923c6a358 [2024-11-25 02:45:21,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:45:21,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:45:21,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:21,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:45:21,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:45:21,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:21" (1/1) ... [2024-11-25 02:45:21,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2f3ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:21, skipping insertion in model container [2024-11-25 02:45:21,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:21" (1/1) ... [2024-11-25 02:45:21,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:45:22,222 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_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-25 02:45:22,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:22,295 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:45:22,315 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_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-25 02:45:22,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:22,349 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:45:22,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22 WrapperNode [2024-11-25 02:45:22,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:22,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:22,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:45:22,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:45:22,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,395 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-25 02:45:22,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:22,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:45:22,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:45:22,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:45:22,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,419 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:45:22,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:45:22,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:45:22,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:45:22,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:22" (1/1) ... [2024-11-25 02:45:22,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:45:22,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:45:22,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:45:22,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:45:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:45:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:45:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:45:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:45:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:45:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:45:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:45:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:45:22,655 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:45:22,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:45:23,044 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 02:45:23,045 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:45:23,134 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:45:23,134 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 02:45:23,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:23 BoogieIcfgContainer [2024-11-25 02:45:23,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:45:23,136 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:45:23,137 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:45:23,153 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:45:23,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:23" (1/1) ... [2024-11-25 02:45:23,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:45:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-25 02:45:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-25 02:45:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:45:23,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:23,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:23,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:23,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:45:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:23,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:23,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:45:23,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:45:23,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 02:45:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 02:45:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:45:23,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:23,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:23,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:23,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:23,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:45:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:23,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:23,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:45:23,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:45:24,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:45:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-25 02:45:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-25 02:45:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:45:24,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:24,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:24,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:24,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:45:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:24,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:45:34,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:45:34,687 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:45:34,691 INFO L158 Benchmark]: Toolchain (without parser) took 12752.78ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 88.2MB in the end (delta: 5.5MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-25 02:45:34,691 INFO L158 Benchmark]: CDTParser took 3.62ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:34,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.94ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:45:34,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.71ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:34,694 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 977.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:34,694 INFO L158 Benchmark]: RCFGBuilder took 702.24ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 64.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:45:34,694 INFO L158 Benchmark]: CodeCheck took 11553.30ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 88.2MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:45:34,697 INFO L338 ainManager$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 3.62ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.94ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.71ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 977.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 702.24ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 64.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11553.30ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 88.2MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:45:34,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eceef8a2-bc3d-4953-9634-0ecd1c4230ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown