./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/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_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/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 64bit --witnessprinter.graph.data.programhash c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:38:01,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:38:01,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:38:01,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:38:01,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:38:01,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:38:01,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:38:01,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:38:01,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:38:01,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:38:01,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:38:01,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:38:01,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:38:01,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:38:01,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:38:01,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:38:01,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:38:01,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:38:01,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:38:01,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:38:01,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:38:01,181 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_d0993571-1063-4743-a006-178f4b1b8011/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 [2024-12-06 04:38:01,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:38:01,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:38:01,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:38:01,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:38:01,435 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:38:01,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c [2024-12-06 04:38:04,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/61af238b0/2c4e69b45b3d46a19437b69b7b01d0e4/FLAG809bb9628 [2024-12-06 04:38:04,381 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:38:04,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c [2024-12-06 04:38:04,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/61af238b0/2c4e69b45b3d46a19437b69b7b01d0e4/FLAG809bb9628 [2024-12-06 04:38:04,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/61af238b0/2c4e69b45b3d46a19437b69b7b01d0e4 [2024-12-06 04:38:04,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:38:04,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:38:04,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:38:04,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:38:04,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:38:04,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:04" (1/1) ... [2024-12-06 04:38:04,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3243fc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:04, skipping insertion in model container [2024-12-06 04:38:04,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:04" (1/1) ... [2024-12-06 04:38:04,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:38:04,647 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_d0993571-1063-4743-a006-178f4b1b8011/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-12-06 04:38:05,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:38:05,061 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:38:05,071 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_d0993571-1063-4743-a006-178f4b1b8011/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-12-06 04:38:05,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:38:05,322 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:38:05,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05 WrapperNode [2024-12-06 04:38:05,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:38:05,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:38:05,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:38:05,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:38:05,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:05,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,102 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11629 [2024-12-06 04:38:06,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:38:06,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:38:06,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:38:06,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:38:06,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:06,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:07,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:38:07,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:38:07,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:38:07,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:38:07,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:05" (1/1) ... [2024-12-06 04:38:07,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:38:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:38:07,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:38:07,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:38:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:38:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:38:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:38:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:38:07,887 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:38:07,889 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:38:25,443 INFO L? ?]: Removed 6198 outVars from TransFormulas that were not future-live. [2024-12-06 04:38:25,443 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:38:42,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:38:42,323 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:38:42,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:42 BoogieIcfgContainer [2024-12-06 04:38:42,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:38:42,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:38:42,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:38:42,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:38:42,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:42" (1/1) ... [2024-12-06 04:38:42,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:38:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:38:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:38:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:38:42,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:42,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:38:56,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:39:06,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:39:09,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:39:11,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:39:13,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:39:23,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:39:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:23,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:39:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:39:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:39:23,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:43:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:43:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:43:43,749 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 04:43:43,757 INFO L158 Benchmark]: Toolchain (without parser) took 339338.97ms. Allocated memory was 142.6MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 112.5MB in the beginning and 607.0MB in the end (delta: -494.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 04:43:43,758 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:43:43,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.97ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 112.3MB in the beginning and 70.1MB in the end (delta: 42.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2024-12-06 04:43:43,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 778.58ms. Allocated memory was 151.0MB in the beginning and 343.9MB in the end (delta: 192.9MB). Free memory was 70.1MB in the beginning and 110.8MB in the end (delta: -40.8MB). Peak memory consumption was 232.7MB. Max. memory is 16.1GB. [2024-12-06 04:43:43,761 INFO L158 Benchmark]: Boogie Preprocessor took 1085.64ms. Allocated memory was 343.9MB in the beginning and 788.5MB in the end (delta: 444.6MB). Free memory was 110.8MB in the beginning and 494.3MB in the end (delta: -383.5MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-12-06 04:43:43,762 INFO L158 Benchmark]: RCFGBuilder took 35133.98ms. Allocated memory was 788.5MB in the beginning and 2.6GB in the end (delta: 1.8GB). Free memory was 494.3MB in the beginning and 1.3GB in the end (delta: -810.1MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-06 04:43:43,763 INFO L158 Benchmark]: CodeCheck took 301430.77ms. Allocated memory was 2.6GB in the beginning and 2.1GB in the end (delta: -503.3MB). Free memory was 1.3GB in the beginning and 607.0MB in the end (delta: 697.4MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2024-12-06 04:43:43,768 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.97ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 112.3MB in the beginning and 70.1MB in the end (delta: 42.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 778.58ms. Allocated memory was 151.0MB in the beginning and 343.9MB in the end (delta: 192.9MB). Free memory was 70.1MB in the beginning and 110.8MB in the end (delta: -40.8MB). Peak memory consumption was 232.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1085.64ms. Allocated memory was 343.9MB in the beginning and 788.5MB in the end (delta: 444.6MB). Free memory was 110.8MB in the beginning and 494.3MB in the end (delta: -383.5MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * RCFGBuilder took 35133.98ms. Allocated memory was 788.5MB in the beginning and 2.6GB in the end (delta: 1.8GB). Free memory was 494.3MB in the beginning and 1.3GB in the end (delta: -810.1MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * CodeCheck took 301430.77ms. Allocated memory was 2.6GB in the beginning and 2.1GB in the end (delta: -503.3MB). Free memory was 1.3GB in the beginning and 607.0MB in the end (delta: 697.4MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:43:43,985 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:43:44,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/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_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/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 64bit --witnessprinter.graph.data.programhash c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:43:45,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:43:45,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:43:46,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:43:46,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:43:46,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:43:46,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:43:46,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:43:46,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:43:46,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:43:46,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:43:46,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:43:46,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:43:46,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:43:46,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:43:46,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:43:46,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:46,013 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:43:46,013 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_d0993571-1063-4743-a006-178f4b1b8011/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 [2024-12-06 04:43:46,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:43:46,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:43:46,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:43:46,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:43:46,260 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:43:46,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c [2024-12-06 04:43:48,983 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/127d1005b/dd1f17eef68e4d818b87c59a72aa13fb/FLAG70c251176 [2024-12-06 04:43:49,264 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:43:49,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c [2024-12-06 04:43:49,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/127d1005b/dd1f17eef68e4d818b87c59a72aa13fb/FLAG70c251176 [2024-12-06 04:43:49,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/data/127d1005b/dd1f17eef68e4d818b87c59a72aa13fb [2024-12-06 04:43:49,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:43:49,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:43:49,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:43:49,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:43:49,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:43:49,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:43:49" (1/1) ... [2024-12-06 04:43:49,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:49, skipping insertion in model container [2024-12-06 04:43:49,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:43:49" (1/1) ... [2024-12-06 04:43:49,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:43:49,549 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_d0993571-1063-4743-a006-178f4b1b8011/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-12-06 04:43:49,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:43:49,879 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:43:49,889 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_d0993571-1063-4743-a006-178f4b1b8011/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-12-06 04:43:50,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:43:50,083 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:43:50,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50 WrapperNode [2024-12-06 04:43:50,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:43:50,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:43:50,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:43:50,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:43:50,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,232 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3321 [2024-12-06 04:43:50,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:43:50,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:43:50,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:43:50,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:43:50,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,315 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:43:50,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:43:50,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:43:50,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:43:50,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:43:50" (1/1) ... [2024-12-06 04:43:50,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:43:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:43:50,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:43:50,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:43:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:43:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:43:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:43:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:43:50,909 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:43:50,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:43:56,051 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 04:43:56,051 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:43:56,120 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:43:56,120 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:43:56,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:43:56 BoogieIcfgContainer [2024-12-06 04:43:56,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:43:56,121 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:43:56,121 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:43:56,128 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:43:56,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:43:56" (1/1) ... [2024-12-06 04:43:56,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:43:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:43:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:43:56,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:43:56,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:56,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:56,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:56,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:43:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:57,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:57,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:43:57,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:43:57,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:43:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:43:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:43:58,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:58,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:58,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:58,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:58,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0993571-1063-4743-a006-178f4b1b8011/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:44:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:00,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:00,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 04:44:00,771 INFO L279 TraceCheckSpWp]: Computing forward predicates...