./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.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_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:04:02,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:04:02,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:04:02,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:04:02,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:04:02,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:04:02,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:04:02,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:04:02,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:04:02,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:04:02,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:04:02,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:04:02,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:04:02,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:04:02,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:02,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:04:02,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:04:02,498 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_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2024-12-06 03:04:02,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:04:02,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:04:02,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:04:02,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:04:02,737 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:04:02,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-12-06 03:04:05,442 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/78db3506e/90c56088816e4141af12d30317262442/FLAG72db52576 [2024-12-06 03:04:05,627 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:04:05,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-12-06 03:04:05,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/78db3506e/90c56088816e4141af12d30317262442/FLAG72db52576 [2024-12-06 03:04:05,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/78db3506e/90c56088816e4141af12d30317262442 [2024-12-06 03:04:05,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:04:05,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:04:05,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:05,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:04:06,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:04:06,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:05" (1/1) ... [2024-12-06 03:04:06,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bdd57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06, skipping insertion in model container [2024-12-06 03:04:06,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:05" (1/1) ... [2024-12-06 03:04:06,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:04:06,119 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_3ea17be7-d663-468a-887b-cf68b8758991/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-12-06 03:04:06,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:06,144 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:04:06,152 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_3ea17be7-d663-468a-887b-cf68b8758991/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-12-06 03:04:06,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:06,170 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:04:06,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06 WrapperNode [2024-12-06 03:04:06,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:06,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:06,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:04:06,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:04:06,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,196 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 03:04:06,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:06,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:04:06,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:04:06,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:04:06,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:04:06,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:04:06,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:04:06,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:04:06,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:06,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:04:06,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:04:06,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:04:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:04:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:04:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:04:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:04:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:04:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:04:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:04:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:04:06,318 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:04:06,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:04:06,463 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:04:06,464 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:04:06,487 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:04:06,488 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 03:04:06,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:06 BoogieIcfgContainer [2024-12-06 03:04:06,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:04:06,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:04:06,489 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:04:06,495 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:04:06,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:06" (1/1) ... [2024-12-06 03:04:06,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:04:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 03:04:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 03:04:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:04:06,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:06,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:04:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 03:04:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 03:04:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:04:06,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:04:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-12-06 03:04:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 03:04:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:04:06,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:06,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:04:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:07,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:04:07,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:04:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-12-06 03:04:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 03:04:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:04:07,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:07,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:04:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:04:17,462 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:04:17,465 INFO L158 Benchmark]: Toolchain (without parser) took 11468.39ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 63.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:17,465 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:17,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.77ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:17,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.66ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:17,466 INFO L158 Benchmark]: Boogie Preprocessor took 18.45ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 793.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:17,466 INFO L158 Benchmark]: RCFGBuilder took 272.21ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.2MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:17,466 INFO L158 Benchmark]: CodeCheck took 10975.41ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-12-06 03:04:17,468 INFO L338 ainManager$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 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.77ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.66ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.45ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 793.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.21ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.2MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10975.41ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:04:17,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:04:19,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:04:19,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:04:19,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:04:19,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:04:19,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:04:19,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:04:19,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:04:19,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:04:19,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:04:19,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:04:19,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:04:19,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:04:19,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:19,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:04:19,467 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:04:19,468 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:19,468 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:04:19,468 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_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2024-12-06 03:04:19,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:04:19,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:04:19,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:04:19,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:04:19,709 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:04:19,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-12-06 03:04:22,341 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/bdc530f58/06717abeb9a1460a89aee4a06a5cf842/FLAG7e42cef7d [2024-12-06 03:04:22,550 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:04:22,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2024-12-06 03:04:22,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/bdc530f58/06717abeb9a1460a89aee4a06a5cf842/FLAG7e42cef7d [2024-12-06 03:04:22,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/data/bdc530f58/06717abeb9a1460a89aee4a06a5cf842 [2024-12-06 03:04:22,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:04:22,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:04:22,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:22,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:04:22,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:04:22,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:22" (1/1) ... [2024-12-06 03:04:22,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f874ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:22, skipping insertion in model container [2024-12-06 03:04:22,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:22" (1/1) ... [2024-12-06 03:04:22,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:04:23,037 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_3ea17be7-d663-468a-887b-cf68b8758991/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-12-06 03:04:23,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:23,065 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:04:23,074 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_3ea17be7-d663-468a-887b-cf68b8758991/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2024-12-06 03:04:23,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:23,090 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:04:23,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23 WrapperNode [2024-12-06 03:04:23,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:23,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:23,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:04:23,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:04:23,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,116 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 03:04:23,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:23,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:04:23,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:04:23,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:04:23,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:04:23,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:04:23,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:04:23,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:04:23,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:23,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:04:23,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:04:23,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:04:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:04:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:04:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:04:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:04:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:04:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:04:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:04:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:04:23,261 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:04:23,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:04:23,423 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:04:23,423 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:04:23,452 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:04:23,453 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 03:04:23,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:23 BoogieIcfgContainer [2024-12-06 03:04:23,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:04:23,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:04:23,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:04:23,462 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:04:23,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:23" (1/1) ... [2024-12-06 03:04:23,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:04:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 03:04:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 03:04:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:04:23,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:23,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:23,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:23,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:23,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:04:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:23,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:23,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 03:04:23,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:04:23,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:04:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 03:04:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 03:04:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:04:23,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:23,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:23,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:23,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:23,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:04:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:23,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:23,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:04:23,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:04:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:04:23,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:04:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-06 03:04:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 03:04:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:04:24,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:24,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:24,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:04:24,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:04:24,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:04:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:24,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:04:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:04:34,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:04:34,395 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:04:34,399 INFO L158 Benchmark]: Toolchain (without parser) took 11501.92ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 43.1MB in the end (delta: 27.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:34,399 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:34,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.01ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:34,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.19ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:34,400 INFO L158 Benchmark]: Boogie Preprocessor took 19.16ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:34,400 INFO L158 Benchmark]: RCFGBuilder took 316.28ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 42.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:04:34,401 INFO L158 Benchmark]: CodeCheck took 10944.04ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 43.1MB in the end (delta: -950.4kB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-12-06 03:04:34,402 INFO L338 ainManager$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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.01ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.19ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.16ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 316.28ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 42.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10944.04ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 43.1MB in the end (delta: -950.4kB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:04:34,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea17be7-d663-468a-887b-cf68b8758991/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown