./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:01,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:01,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:43:01,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:43:01,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:43:01,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:01,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:01,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:01,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:01,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:01,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:01,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:01,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:43:01,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:01,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:01,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:01,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:01,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:01,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:01,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:01,577 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:43:01,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:43:01,577 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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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 -> 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 [2024-12-06 00:43:01,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:01,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:01,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:01,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:01,822 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:01,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-12-06 00:43:04,490 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/d3e7bebf4/5ed613486b624682a7e883b936d3e600/FLAGb26e6c53a [2024-12-06 00:43:04,688 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:04,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-12-06 00:43:04,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/d3e7bebf4/5ed613486b624682a7e883b936d3e600/FLAGb26e6c53a [2024-12-06 00:43:05,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/d3e7bebf4/5ed613486b624682a7e883b936d3e600 [2024-12-06 00:43:05,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:05,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:05,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:05,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:05,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:05,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8904354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05, skipping insertion in model container [2024-12-06 00:43:05,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:05,187 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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-12-06 00:43:05,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:05,349 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:43:05,357 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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-12-06 00:43:05,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:05,441 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:43:05,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05 WrapperNode [2024-12-06 00:43:05,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:05,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:05,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:43:05,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:43:05,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,653 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1659 [2024-12-06 00:43:05,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:05,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:43:05,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:43:05,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:43:05,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,767 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:43:05,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:43:05,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:43:05,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:43:05,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:05" (1/1) ... [2024-12-06 00:43:05,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:05,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:43:05,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:43:05,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:43:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:43:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:43:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:43:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:43:06,065 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:43:06,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:43:07,786 INFO L? ?]: Removed 1042 outVars from TransFormulas that were not future-live. [2024-12-06 00:43:07,786 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:43:09,907 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:43:09,907 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:43:09,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:09 BoogieIcfgContainer [2024-12-06 00:43:09,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:43:09,909 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:43:09,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:43:09,918 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:43:09,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:09" (1/1) ... [2024-12-06 00:43:09,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:43:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:43:09,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:43:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:43:09,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:09,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:14,414 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 00:43:24,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:34,504 WARN L539 Checker$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 00:43:37,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:39,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:43:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:43:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:43:39,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:42,954 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:56,311 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 00:43:56,315 INFO L158 Benchmark]: Toolchain (without parser) took 51274.28ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 91.6MB in the beginning and 728.9MB in the end (delta: -637.3MB). Peak memory consumption was 462.4MB. Max. memory is 16.1GB. [2024-12-06 00:43:56,315 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:56,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.26ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 61.3MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:43:56,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.34ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 61.3MB in the beginning and 155.5MB in the end (delta: -94.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-12-06 00:43:56,317 INFO L158 Benchmark]: Boogie Preprocessor took 198.43ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 147.6MB in the end (delta: 7.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-12-06 00:43:56,317 INFO L158 Benchmark]: RCFGBuilder took 4054.66ms. Allocated memory was 209.7MB in the beginning and 478.2MB in the end (delta: 268.4MB). Free memory was 147.6MB in the beginning and 338.2MB in the end (delta: -190.6MB). Peak memory consumption was 309.3MB. Max. memory is 16.1GB. [2024-12-06 00:43:56,318 INFO L158 Benchmark]: CodeCheck took 46405.71ms. Allocated memory was 478.2MB in the beginning and 1.2GB in the end (delta: 738.2MB). Free memory was 338.2MB in the beginning and 728.9MB in the end (delta: -390.7MB). Peak memory consumption was 347.4MB. Max. memory is 16.1GB. [2024-12-06 00:43:56,321 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.26ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 61.3MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.34ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 61.3MB in the beginning and 155.5MB in the end (delta: -94.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 198.43ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 147.6MB in the end (delta: 7.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4054.66ms. Allocated memory was 209.7MB in the beginning and 478.2MB in the end (delta: 268.4MB). Free memory was 147.6MB in the beginning and 338.2MB in the end (delta: -190.6MB). Peak memory consumption was 309.3MB. Max. memory is 16.1GB. * CodeCheck took 46405.71ms. Allocated memory was 478.2MB in the beginning and 1.2GB in the end (delta: 738.2MB). Free memory was 338.2MB in the beginning and 728.9MB in the end (delta: -390.7MB). Peak memory consumption was 347.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:43:56,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:58,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:58,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:43:58,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:58,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:58,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:58,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:58,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:58,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:58,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:58,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:58,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:58,384 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:58,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:43:58,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:58,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:58,385 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:43:58,385 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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/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 -> 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 [2024-12-06 00:43:58,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:58,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:58,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:58,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:58,630 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:58,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-12-06 00:44:01,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/6a4bafaac/6bede4f5b2cb4bb89e59620cfb0542dc/FLAG15fbe00bc [2024-12-06 00:44:01,494 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:44:01,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-12-06 00:44:01,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/6a4bafaac/6bede4f5b2cb4bb89e59620cfb0542dc/FLAG15fbe00bc [2024-12-06 00:44:01,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/data/6a4bafaac/6bede4f5b2cb4bb89e59620cfb0542dc [2024-12-06 00:44:01,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:44:01,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:44:01,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:01,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:44:01,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:44:01,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aed66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01, skipping insertion in model container [2024-12-06 00:44:01,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:44:01,683 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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-12-06 00:44:01,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:01,826 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:44:01,835 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_dbd54c70-42ee-46c7-aaae-f4813bb1a997/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-12-06 00:44:01,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:01,919 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:44:01,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01 WrapperNode [2024-12-06 00:44:01,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:01,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:01,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:44:01,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:44:01,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,979 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 587 [2024-12-06 00:44:01,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:01,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:44:01,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:44:01,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:44:01,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:01,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:44:02,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:44:02,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:44:02,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:44:02,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:01" (1/1) ... [2024-12-06 00:44:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:02,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:44:02,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:44:02,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:44:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:44:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:44:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:44:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:44:02,243 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:44:02,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:44:02,954 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-12-06 00:44:02,954 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:44:02,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:44:02,986 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:44:02,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:02 BoogieIcfgContainer [2024-12-06 00:44:02,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:44:02,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:44:02,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:44:02,997 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:44:02,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:02" (1/1) ... [2024-12-06 00:44:03,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:44:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:44:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:44:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:44:03,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:03,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:03,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:03,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:44:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:03,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:03,469 WARN L254 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-06 00:44:03,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:04,182 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 00:44:04,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:44:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:44:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:44:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:44:04,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:04,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:04,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:44:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:04,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:04,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-12-06 00:44:04,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:05,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:05,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 00:44:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-12-06 00:44:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-12-06 00:44:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:44:06,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:06,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:06,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:06,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:06,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:44:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:06,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:06,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-12-06 00:44:06,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:31,305 WARN L286 SmtUtils]: Spent 44.33s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:52:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:31,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd54c70-42ee-46c7-aaae-f4813bb1a997/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 00:57:20,599 WARN L286 SmtUtils]: Spent 1.49m on a formula simplification. DAG size of input: 772 DAG size of output: 771 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)