./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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 a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:33:52,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:33:52,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:33:52,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:33:52,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:33:52,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:33:52,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:33:52,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:33:52,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:33:52,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:33:52,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:33:52,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:33:52,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:33:52,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:33:52,175 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:33:52,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:33:52,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:33:52,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:33:52,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:33:52,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:33:52,176 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:33:52,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:33:52,176 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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 -> a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 [2024-12-06 02:33:52,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:33:52,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:33:52,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:33:52,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:33:52,446 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:33:52,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c [2024-12-06 02:33:55,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/ab091aa98/e006fcd3771146d8b353cf735cbd9fb8/FLAGa3c6c841a [2024-12-06 02:33:55,779 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:33:55,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c [2024-12-06 02:33:55,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/ab091aa98/e006fcd3771146d8b353cf735cbd9fb8/FLAGa3c6c841a [2024-12-06 02:33:55,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/ab091aa98/e006fcd3771146d8b353cf735cbd9fb8 [2024-12-06 02:33:55,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:33:55,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:33:55,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:33:55,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:33:55,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:33:55,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:33:55" (1/1) ... [2024-12-06 02:33:55,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8abe42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:55, skipping insertion in model container [2024-12-06 02:33:55,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:33:55" (1/1) ... [2024-12-06 02:33:55,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:33:56,117 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-12-06 02:33:56,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:33:56,484 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:33:56,514 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-12-06 02:33:56,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:33:56,714 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:33:56,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56 WrapperNode [2024-12-06 02:33:56,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:33:56,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:33:56,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:33:56,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:33:56,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:56,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:57,426 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9015 [2024-12-06 02:33:57,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:33:57,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:33:57,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:33:57,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:33:57,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:57,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:57,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:57,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:57,878 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:57,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:58,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:58,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:58,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:58,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:33:58,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:33:58,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:33:58,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:33:58,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:33:56" (1/1) ... [2024-12-06 02:33:58,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:33:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:33:58,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:33:58,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:33:58,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:33:58,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:33:58,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:33:58,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:33:58,890 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:33:58,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:34:10,437 INFO L? ?]: Removed 4938 outVars from TransFormulas that were not future-live. [2024-12-06 02:34:10,437 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:34:21,998 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:34:21,999 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:34:21,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:34:21 BoogieIcfgContainer [2024-12-06 02:34:21,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:34:22,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:34:22,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:34:22,007 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:34:22,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:34:21" (1/1) ... [2024-12-06 02:34:22,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:34:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:34:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:34:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:34:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:34:22,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:34:22,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:34:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:34:27,672 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 02:34:38,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:48,101 WARN L539 Checker$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 02:34:51,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:01,927 WARN L539 Checker$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 02:35:04,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:06,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:16,971 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 02:35:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:35:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:35:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:35:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:35:17,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:35:17,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:38:19,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:41:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:41:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:41:47,208 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 02:41:47,212 INFO L158 Benchmark]: Toolchain (without parser) took 471390.42ms. Allocated memory was 142.6MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 113.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-12-06 02:41:47,212 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:41:47,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.61ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 77.6MB in the end (delta: 35.5MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2024-12-06 02:41:47,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 710.78ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 77.6MB in the beginning and 131.1MB in the end (delta: -53.5MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2024-12-06 02:41:47,214 INFO L158 Benchmark]: Boogie Preprocessor took 898.80ms. Allocated memory was 343.9MB in the beginning and 755.0MB in the end (delta: 411.0MB). Free memory was 131.1MB in the beginning and 506.9MB in the end (delta: -375.8MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-12-06 02:41:47,215 INFO L158 Benchmark]: RCFGBuilder took 23671.79ms. Allocated memory was 755.0MB in the beginning and 1.0GB in the end (delta: 251.7MB). Free memory was 506.9MB in the beginning and 218.1MB in the end (delta: 288.8MB). Peak memory consumption was 761.7MB. Max. memory is 16.1GB. [2024-12-06 02:41:47,215 INFO L158 Benchmark]: CodeCheck took 445211.46ms. Allocated memory was 1.0GB in the beginning and 3.7GB in the end (delta: 2.7GB). Free memory was 218.1MB in the beginning and 1.2GB in the end (delta: -968.9MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 02:41:47,218 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 0.40ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.61ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 77.6MB in the end (delta: 35.5MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 710.78ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 77.6MB in the beginning and 131.1MB in the end (delta: -53.5MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 898.80ms. Allocated memory was 343.9MB in the beginning and 755.0MB in the end (delta: 411.0MB). Free memory was 131.1MB in the beginning and 506.9MB in the end (delta: -375.8MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. * RCFGBuilder took 23671.79ms. Allocated memory was 755.0MB in the beginning and 1.0GB in the end (delta: 251.7MB). Free memory was 506.9MB in the beginning and 218.1MB in the end (delta: 288.8MB). Peak memory consumption was 761.7MB. Max. memory is 16.1GB. * CodeCheck took 445211.46ms. Allocated memory was 1.0GB in the beginning and 3.7GB in the end (delta: 2.7GB). Free memory was 218.1MB in the beginning and 1.2GB in the end (delta: -968.9MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:41:47,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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 a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:41:49,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:41:49,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:41:49,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:41:49,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:41:49,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:41:49,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:41:49,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:41:49,469 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:41:49,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:49,470 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:41:49,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:41:49,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:41:49,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:41:49,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:41:49,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:41:49,471 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:41:49,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:49,471 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:41:49,471 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/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 -> a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 [2024-12-06 02:41:49,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:41:49,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:41:49,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:41:49,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:41:49,726 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:41:49,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c [2024-12-06 02:41:52,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/0f7346855/89a664b1c21649dc9207d65a37f82bdf/FLAG0ee347cdc [2024-12-06 02:41:52,725 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:41:52,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c [2024-12-06 02:41:52,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/0f7346855/89a664b1c21649dc9207d65a37f82bdf/FLAG0ee347cdc [2024-12-06 02:41:52,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/data/0f7346855/89a664b1c21649dc9207d65a37f82bdf [2024-12-06 02:41:52,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:41:52,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:41:52,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:41:52,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:41:52,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:41:52,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:41:52" (1/1) ... [2024-12-06 02:41:52,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c945dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:52, skipping insertion in model container [2024-12-06 02:41:52,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:41:52" (1/1) ... [2024-12-06 02:41:53,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:41:53,179 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-12-06 02:41:53,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:41:53,461 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:41:53,471 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_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-12-06 02:41:53,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:41:53,632 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:41:53,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53 WrapperNode [2024-12-06 02:41:53,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:41:53,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:41:53,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:41:53,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:41:53,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,768 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2791 [2024-12-06 02:41:53,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:41:53,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:41:53,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:41:53,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:41:53,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:41:53,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:41:53,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:41:53,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:41:53,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:53" (1/1) ... [2024-12-06 02:41:53,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:41:53,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:41:53,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:41:53,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:41:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:41:54,354 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:41:54,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:41:57,547 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-12-06 02:41:57,547 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:41:57,606 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:41:57,606 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:41:57,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:41:57 BoogieIcfgContainer [2024-12-06 02:41:57,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:41:57,607 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:41:57,607 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:41:57,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:41:57,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:41:57" (1/1) ... [2024-12-06 02:41:57,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:41:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:41:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:41:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:41:57,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:57,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:57,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:57,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:57,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:41:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:58,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:41:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:58,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:41:58,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:58,793 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 02:41:58,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:41:59,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:59,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:41:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:41:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:41:59,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:59,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:59,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:59,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:59,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c23ad-b45d-4cd0-90a9-a7b0d4d59998/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:42:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:00,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:00,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-12-06 02:42:00,721 INFO L279 TraceCheckSpWp]: Computing forward predicates...