./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-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_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/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_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/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_70767333-2862-4bd0-9148-acadcdcdcc9d/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:36:12,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:36:12,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:36:12,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:36:12,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:36:12,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:36:12,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:36:12,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:36:12,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:36:12,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:36:12,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:36:12,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:36:12,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:36:12,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:36:12,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:36:12,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:36:12,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:36:12,150 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_70767333-2862-4bd0-9148-acadcdcdcc9d/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 -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-12-06 00:36:12,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:36:12,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:36:12,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:36:12,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:36:12,412 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:36:12,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-12-06 00:36:15,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/fe835cda1/54d4ace00fbc461ba0d813e8c742fcbd/FLAG1a440a3a9 [2024-12-06 00:36:15,322 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:36:15,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-12-06 00:36:15,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/fe835cda1/54d4ace00fbc461ba0d813e8c742fcbd/FLAG1a440a3a9 [2024-12-06 00:36:15,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/fe835cda1/54d4ace00fbc461ba0d813e8c742fcbd [2024-12-06 00:36:15,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:36:15,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:36:15,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:36:15,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:36:15,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:36:15,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:36:15" (1/1) ... [2024-12-06 00:36:15,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2d77cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:15, skipping insertion in model container [2024-12-06 00:36:15,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:36:15" (1/1) ... [2024-12-06 00:36:15,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:36:15,789 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_70767333-2862-4bd0-9148-acadcdcdcc9d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-12-06 00:36:16,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:36:16,074 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:36:16,081 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_70767333-2862-4bd0-9148-acadcdcdcc9d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-12-06 00:36:16,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:36:16,261 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:36:16,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16 WrapperNode [2024-12-06 00:36:16,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:36:16,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:36:16,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:36:16,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:36:16,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:16,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:16,939 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7236 [2024-12-06 00:36:16,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:36:16,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:36:16,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:36:16,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:36:16,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:16,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:36:17,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:36:17,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:36:17,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:36:17,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:16" (1/1) ... [2024-12-06 00:36:17,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:36:17,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:36:17,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:36:17,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:36:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:36:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:36:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:36:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:36:17,910 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:36:17,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:36:25,652 INFO L? ?]: Removed 3985 outVars from TransFormulas that were not future-live. [2024-12-06 00:36:25,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:36:33,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:36:33,517 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:36:33,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:36:33 BoogieIcfgContainer [2024-12-06 00:36:33,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:36:33,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:36:33,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:36:33,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:36:33,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:36:33" (1/1) ... [2024-12-06 00:36:33,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:36:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:36:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:36:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:36:33,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:33,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:36:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:37,107 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 00:36:47,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:57,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:36:59,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:37:07,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:37:18,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:37:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:37:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:37:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:37:18,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:38:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:51,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:40:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:40:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:40:55,237 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 00:40:55,241 INFO L158 Benchmark]: Toolchain (without parser) took 279664.34ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 115.1MB in the beginning and 377.2MB in the end (delta: -262.0MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 00:40:55,242 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:40:55,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.57ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 66.6MB in the end (delta: 48.3MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2024-12-06 00:40:55,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 676.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.6MB in the beginning and 274.1MB in the end (delta: -207.5MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2024-12-06 00:40:55,243 INFO L158 Benchmark]: Boogie Preprocessor took 483.44ms. Allocated memory is still 427.8MB. Free memory was 274.1MB in the beginning and 219.7MB in the end (delta: 54.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-12-06 00:40:55,244 INFO L158 Benchmark]: RCFGBuilder took 16093.93ms. Allocated memory was 427.8MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 219.2MB in the beginning and 770.1MB in the end (delta: -550.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 00:40:55,244 INFO L158 Benchmark]: CodeCheck took 261722.55ms. Allocated memory was 2.3GB in the beginning and 2.0GB in the end (delta: -318.8MB). Free memory was 770.1MB in the beginning and 377.2MB in the end (delta: 392.9MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2024-12-06 00:40:55,246 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.57ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 66.6MB in the end (delta: 48.3MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 676.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.6MB in the beginning and 274.1MB in the end (delta: -207.5MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 483.44ms. Allocated memory is still 427.8MB. Free memory was 274.1MB in the beginning and 219.7MB in the end (delta: 54.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16093.93ms. Allocated memory was 427.8MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 219.2MB in the beginning and 770.1MB in the end (delta: -550.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 261722.55ms. Allocated memory was 2.3GB in the beginning and 2.0GB in the end (delta: -318.8MB). Free memory was 770.1MB in the beginning and 377.2MB in the end (delta: 392.9MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:40:55,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/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_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/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_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/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_70767333-2862-4bd0-9148-acadcdcdcc9d/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:40:57,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:40:57,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:40:57,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:40:57,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:40:57,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:40:57,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:40:57,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:40:57,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:40:57,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:40:57,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:40:57,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:40:57,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:40:57,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:40:57,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:40:57,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:40:57,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:57,315 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:40:57,315 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_70767333-2862-4bd0-9148-acadcdcdcc9d/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 -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-12-06 00:40:57,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:40:57,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:40:57,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:40:57,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:40:57,586 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:40:57,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-12-06 00:41:00,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/1976d90f7/adaf74255e554062b0a57d88493f0d0a/FLAGfef654006 [2024-12-06 00:41:00,602 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:41:00,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-12-06 00:41:00,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/1976d90f7/adaf74255e554062b0a57d88493f0d0a/FLAGfef654006 [2024-12-06 00:41:00,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/data/1976d90f7/adaf74255e554062b0a57d88493f0d0a [2024-12-06 00:41:00,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:41:00,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:41:00,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:41:00,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:41:00,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:41:00,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:41:00" (1/1) ... [2024-12-06 00:41:00,871 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 12:41:00, skipping insertion in model container [2024-12-06 00:41:00,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:41:00" (1/1) ... [2024-12-06 00:41:00,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:41:01,090 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_70767333-2862-4bd0-9148-acadcdcdcc9d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-12-06 00:41:01,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:41:01,347 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:41:01,356 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_70767333-2862-4bd0-9148-acadcdcdcc9d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-12-06 00:41:01,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:41:01,498 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:41:01,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01 WrapperNode [2024-12-06 00:41:01,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:41:01,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:41:01,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:41:01,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:41:01,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,608 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2316 [2024-12-06 00:41:01,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:41:01,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:41:01,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:41:01,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:41:01,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:41:01,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:41:01,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:41:01,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:41:01,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:01" (1/1) ... [2024-12-06 00:41:01,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:41:01,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:41:01,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:41:01,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:41:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:41:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:41:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:41:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:41:02,157 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:41:02,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:41:04,559 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-12-06 00:41:04,559 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:41:04,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:41:04,652 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:41:04,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:41:04 BoogieIcfgContainer [2024-12-06 00:41:04,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:41:04,654 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:41:04,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:41:04,664 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:41:04,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:41:04" (1/1) ... [2024-12-06 00:41:04,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:41:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:41:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:41:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:41:04,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:04,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:04,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:04,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:41:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:05,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:05,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:41:05,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:05,790 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 00:41:05,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 00:41:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:41:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:41:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:41:06,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:06,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:06,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:06,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:06,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70767333-2862-4bd0-9148-acadcdcdcc9d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:41:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:07,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:07,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 00:41:07,662 INFO L279 TraceCheckSpWp]: Computing forward predicates...