./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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 ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:27:10,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:27:10,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:27:10,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:27:10,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:27:10,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:27:10,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:27:10,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:27:10,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:27:10,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:27:10,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:27:10,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:27:10,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:27:10,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:27:10,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:27:10,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:27:10,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:27:10,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:27:10,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:27:10,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:27:10,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:27:10,942 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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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 -> ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e [2024-12-06 03:27:11,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:27:11,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:27:11,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:27:11,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:27:11,196 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:27:11,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2024-12-06 03:27:13,872 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/637d7cb64/6d8192a485764958af2a5f1a6250672a/FLAG47549b6d1 [2024-12-06 03:27:14,170 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:27:14,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2024-12-06 03:27:14,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/637d7cb64/6d8192a485764958af2a5f1a6250672a/FLAG47549b6d1 [2024-12-06 03:27:14,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/637d7cb64/6d8192a485764958af2a5f1a6250672a [2024-12-06 03:27:14,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:27:14,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:27:14,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:27:14,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:27:14,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:27:14,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:27:14" (1/1) ... [2024-12-06 03:27:14,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61560176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:14, skipping insertion in model container [2024-12-06 03:27:14,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:27:14" (1/1) ... [2024-12-06 03:27:14,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:27:14,429 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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-12-06 03:27:14,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:27:14,782 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:27:14,790 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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-12-06 03:27:15,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:27:15,026 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:27:15,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15 WrapperNode [2024-12-06 03:27:15,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:27:15,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:27:15,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:27:15,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:27:15,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:15,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:15,685 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8288 [2024-12-06 03:27:15,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:27:15,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:27:15,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:27:15,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:27:15,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:15,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:15,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:15,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:27:16,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:27:16,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:27:16,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:27:16,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:15" (1/1) ... [2024-12-06 03:27:16,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:27:16,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:27:16,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:27:16,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:27:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:27:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:27:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:27:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:27:16,968 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:27:16,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:27:26,256 INFO L? ?]: Removed 4654 outVars from TransFormulas that were not future-live. [2024-12-06 03:27:26,257 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:27:36,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:27:36,436 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:27:36,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:36 BoogieIcfgContainer [2024-12-06 03:27:36,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:27:36,437 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:27:36,437 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:27:36,444 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:27:36,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:36" (1/1) ... [2024-12-06 03:27:36,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:27:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:27:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:27:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:27:36,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:36,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:27:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:40,869 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 03:27:51,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:28:01,157 WARN L539 Checker$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 03:28:02,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:28:05,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:28:08,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:28:19,009 WARN L539 Checker$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 03:28:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:28:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:28:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:28:19,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:30:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:30:54,724 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:33:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:33:26,595 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:33:26,598 INFO L158 Benchmark]: Toolchain (without parser) took 372391.67ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 89.1MB in the beginning and 514.9MB in the end (delta: -425.8MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 03:33:26,599 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:26,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.09ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.1MB in the beginning and 150.1MB in the end (delta: -61.0MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2024-12-06 03:33:26,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 657.38ms. Allocated memory was 234.9MB in the beginning and 704.6MB in the end (delta: 469.8MB). Free memory was 150.1MB in the beginning and 531.0MB in the end (delta: -380.9MB). Peak memory consumption was 198.9MB. Max. memory is 16.1GB. [2024-12-06 03:33:26,601 INFO L158 Benchmark]: Boogie Preprocessor took 726.48ms. Allocated memory was 704.6MB in the beginning and 587.2MB in the end (delta: -117.4MB). Free memory was 531.0MB in the beginning and 368.8MB in the end (delta: 162.2MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-12-06 03:33:26,602 INFO L158 Benchmark]: RCFGBuilder took 20024.02ms. Allocated memory was 587.2MB in the beginning and 1.2GB in the end (delta: 587.2MB). Free memory was 368.8MB in the beginning and 593.7MB in the end (delta: -224.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 03:33:26,602 INFO L158 Benchmark]: CodeCheck took 350160.19ms. Allocated memory was 1.2GB in the beginning and 2.0GB in the end (delta: 838.9MB). Free memory was 593.7MB in the beginning and 514.9MB in the end (delta: 78.8MB). Peak memory consumption was 925.9MB. Max. memory is 16.1GB. [2024-12-06 03:33:26,605 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 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.09ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.1MB in the beginning and 150.1MB in the end (delta: -61.0MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 657.38ms. Allocated memory was 234.9MB in the beginning and 704.6MB in the end (delta: 469.8MB). Free memory was 150.1MB in the beginning and 531.0MB in the end (delta: -380.9MB). Peak memory consumption was 198.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 726.48ms. Allocated memory was 704.6MB in the beginning and 587.2MB in the end (delta: -117.4MB). Free memory was 531.0MB in the beginning and 368.8MB in the end (delta: 162.2MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * RCFGBuilder took 20024.02ms. Allocated memory was 587.2MB in the beginning and 1.2GB in the end (delta: 587.2MB). Free memory was 368.8MB in the beginning and 593.7MB in the end (delta: -224.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 350160.19ms. Allocated memory was 1.2GB in the beginning and 2.0GB in the end (delta: 838.9MB). Free memory was 593.7MB in the beginning and 514.9MB in the end (delta: 78.8MB). Peak memory consumption was 925.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:33:26,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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 ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:33:28,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:33:28,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:33:28,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:33:28,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:33:28,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:33:28,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:33:28,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:33:28,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:33:28,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:33:28,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:33:28,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:28,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:33:28,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:33:28,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:33:28,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:33:28,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:28,744 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:33:28,744 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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/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 -> ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e [2024-12-06 03:33:28,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:33:29,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:33:29,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:33:29,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:33:29,008 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:33:29,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2024-12-06 03:33:31,708 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/2834fc2e4/aaa88afaee1445fa856d798841889b18/FLAG416900bc1 [2024-12-06 03:33:31,982 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:33:31,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2024-12-06 03:33:31,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/2834fc2e4/aaa88afaee1445fa856d798841889b18/FLAG416900bc1 [2024-12-06 03:33:32,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/data/2834fc2e4/aaa88afaee1445fa856d798841889b18 [2024-12-06 03:33:32,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:33:32,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:33:32,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:32,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:33:32,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:33:32,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:32,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785434d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32, skipping insertion in model container [2024-12-06 03:33:32,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:32,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:33:32,481 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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-12-06 03:33:32,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:32,770 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:33:32,779 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_b9a451a2-8acc-4103-82d5-0ef7a15ca300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-12-06 03:33:32,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:32,946 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:33:32,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32 WrapperNode [2024-12-06 03:33:32,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:32,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:32,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:33:32,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:33:32,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:32,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,097 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2808 [2024-12-06 03:33:33,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:33,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:33:33,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:33:33,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:33:33,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:33:33,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:33:33,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:33:33,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:33:33,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:32" (1/1) ... [2024-12-06 03:33:33,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:33:33,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:33:33,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:33:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:33:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:33:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:33:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:33:33,735 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:33:33,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:33:36,976 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-12-06 03:33:36,976 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:33:37,072 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:33:37,072 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:33:37,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:37 BoogieIcfgContainer [2024-12-06 03:33:37,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:33:37,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:33:37,074 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:33:37,083 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:33:37,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:37" (1/1) ... [2024-12-06 03:33:37,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:33:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:33:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:33:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:33:37,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:37,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:37,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:37,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:37,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:33:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:38,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:38,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:33:38,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:38,353 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 03:33:38,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 03:33:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:33:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:33:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:33:38,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:38,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:38,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:38,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:38,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a451a2-8acc-4103-82d5-0ef7a15ca300/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:33:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:40,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:40,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:33:40,473 INFO L279 TraceCheckSpWp]: Computing forward predicates...