./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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 be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:58:27,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:58:27,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:58:27,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:58:27,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:58:27,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:58:27,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:58:27,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:58:27,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:58:27,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:58:27,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:58:27,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:58:27,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:58:27,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:58:27,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:58:27,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:58:27,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:58:27,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:58:27,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:27,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:58:27,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:58:27,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:58:27,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:58:27,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:58:27,470 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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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 -> be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c [2024-12-06 00:58:27,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:58:27,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:58:27,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:58:27,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:58:27,715 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:58:27,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c [2024-12-06 00:58:30,395 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/a19286f91/392447b2baf0422f946bb58545209f34/FLAG26b9dabb5 [2024-12-06 00:58:30,674 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:58:30,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c [2024-12-06 00:58:30,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/a19286f91/392447b2baf0422f946bb58545209f34/FLAG26b9dabb5 [2024-12-06 00:58:30,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/a19286f91/392447b2baf0422f946bb58545209f34 [2024-12-06 00:58:30,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:58:30,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:58:30,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:30,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:58:30,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:58:30,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:30" (1/1) ... [2024-12-06 00:58:30,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae3c042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:30, skipping insertion in model container [2024-12-06 00:58:30,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:58:30" (1/1) ... [2024-12-06 00:58:30,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:58:30,906 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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-12-06 00:58:31,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:58:31,170 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:58:31,177 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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-12-06 00:58:31,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:58:31,341 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:58:31,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31 WrapperNode [2024-12-06 00:58:31,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:58:31,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:58:31,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:58:31,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:58:31,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:31,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:31,756 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4609 [2024-12-06 00:58:31,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:58:31,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:58:31,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:58:31,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:58:31,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:31,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:31,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:31,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:31,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:32,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:32,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:32,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:32,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:32,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:58:32,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:58:32,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:58:32,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:58:32,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:58:31" (1/1) ... [2024-12-06 00:58:32,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:58:32,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:58:32,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:58:32,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:58:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:58:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:58:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:58:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:58:32,502 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:58:32,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:58:37,144 INFO L? ?]: Removed 2638 outVars from TransFormulas that were not future-live. [2024-12-06 00:58:37,144 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:58:41,953 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:58:41,954 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:58:41,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:58:41 BoogieIcfgContainer [2024-12-06 00:58:41,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:58:41,954 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:58:41,954 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:58:41,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:58:41,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:58:41" (1/1) ... [2024-12-06 00:58:41,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:58:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:58:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:58:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:58:41,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:42,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:58:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:58:54,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:04,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:13,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:59:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:59:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:59:13,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:59:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:59:48,139 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:00:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:34,267 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 01:00:34,272 INFO L158 Benchmark]: Toolchain (without parser) took 123567.01ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 114.3MB in the beginning and 1.0GB in the end (delta: -901.9MB). Peak memory consumption was 698.0MB. Max. memory is 16.1GB. [2024-12-06 01:00:34,272 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:34,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.85ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 95.0MB in the end (delta: 19.3MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-12-06 01:00:34,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 414.07ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 95.0MB in the beginning and 246.2MB in the end (delta: -151.3MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2024-12-06 01:00:34,274 INFO L158 Benchmark]: Boogie Preprocessor took 369.63ms. Allocated memory is still 352.3MB. Free memory was 246.2MB in the beginning and 224.0MB in the end (delta: 22.3MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-06 01:00:34,274 INFO L158 Benchmark]: RCFGBuilder took 9826.88ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 224.0MB in the beginning and 516.0MB in the end (delta: -292.1MB). Peak memory consumption was 710.6MB. Max. memory is 16.1GB. [2024-12-06 01:00:34,275 INFO L158 Benchmark]: CodeCheck took 112316.44ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 637.5MB). Free memory was 516.0MB in the beginning and 1.0GB in the end (delta: -500.2MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. [2024-12-06 01:00:34,277 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 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.85ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 95.0MB in the end (delta: 19.3MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 414.07ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 95.0MB in the beginning and 246.2MB in the end (delta: -151.3MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 369.63ms. Allocated memory is still 352.3MB. Free memory was 246.2MB in the beginning and 224.0MB in the end (delta: 22.3MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9826.88ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 224.0MB in the beginning and 516.0MB in the end (delta: -292.1MB). Peak memory consumption was 710.6MB. Max. memory is 16.1GB. * CodeCheck took 112316.44ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 637.5MB). Free memory was 516.0MB in the beginning and 1.0GB in the end (delta: -500.2MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:00:34,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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 be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:00:36,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:00:36,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:00:36,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:00:36,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:00:36,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:00:36,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:00:36,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:00:36,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:00:36,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:00:36,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:00:36,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:00:36,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:00:36,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:00:36,353 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:00:36,353 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:36,353 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:00:36,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:00:36,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:36,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:00:36,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:00:36,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:00:36,354 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:00:36,354 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:36,354 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:00:36,354 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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/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 -> be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c [2024-12-06 01:00:36,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:00:36,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:00:36,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:00:36,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:00:36,586 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:00:36,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c [2024-12-06 01:00:39,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/b116c0eb5/37709d2118204cd59ab4956e7aea3f4d/FLAG077740bde [2024-12-06 01:00:39,541 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:00:39,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c [2024-12-06 01:00:39,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/b116c0eb5/37709d2118204cd59ab4956e7aea3f4d/FLAG077740bde [2024-12-06 01:00:39,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/data/b116c0eb5/37709d2118204cd59ab4956e7aea3f4d [2024-12-06 01:00:39,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:00:39,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:00:39,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:39,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:00:39,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:00:39,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:39" (1/1) ... [2024-12-06 01:00:39,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e0be29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:39, skipping insertion in model container [2024-12-06 01:00:39,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:39" (1/1) ... [2024-12-06 01:00:39,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:00:39,982 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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-12-06 01:00:40,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:40,234 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:00:40,244 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_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-12-06 01:00:40,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:40,359 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:00:40,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40 WrapperNode [2024-12-06 01:00:40,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:40,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:40,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:00:40,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:00:40,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,464 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1761 [2024-12-06 01:00:40,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:40,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:00:40,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:00:40,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:00:40,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:00:40,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:00:40,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:00:40,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:00:40,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:40" (1/1) ... [2024-12-06 01:00:40,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:40,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:00:40,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:00:40,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:00:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:00:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:00:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:00:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:00:40,911 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:00:40,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:00:42,638 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-12-06 01:00:42,638 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:00:42,715 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:00:42,715 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:00:42,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:42 BoogieIcfgContainer [2024-12-06 01:00:42,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:00:42,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:00:42,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:00:42,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:00:42,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:42" (1/1) ... [2024-12-06 01:00:42,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:00:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:00:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:00:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:00:42,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:42,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:42,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:42,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:42,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:00:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:43,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:00:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:43,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:00:43,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:43,694 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 01:00:43,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:00:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:00:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:00:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:00:43,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:43,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:43,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fdf896-6e49-4809-8e7d-b78d9a9d3a30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:00:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:44,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:00:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:45,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-06 01:00:45,254 INFO L279 TraceCheckSpWp]: Computing forward predicates...