./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm --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 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:59:36,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:59:36,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:59:36,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:59:36,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:59:36,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:59:36,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:59:36,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:59:36,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:59:36,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:59:36,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:59:36,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:59:36,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:59:36,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:59:36,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:59:36,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:59:36,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:59:36,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:59:36,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:36,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:59:36,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:59:36,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:59:36,518 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:59:36,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:59:36,518 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_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm 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 -> 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 [2024-11-13 20:59:36,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:59:36,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:59:36,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:59:36,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:59:36,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:59:36,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:59:38,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:59:39,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:59:39,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-11-13 20:59:39,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data/3f7a28fd4/e0c50ac628ff49d0b6211bdcd417358e/FLAG011a73ed3 [2024-11-13 20:59:39,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data/3f7a28fd4/e0c50ac628ff49d0b6211bdcd417358e [2024-11-13 20:59:39,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:59:39,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:59:39,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:39,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:59:39,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:59:39,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:39" (1/1) ... [2024-11-13 20:59:39,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8c5c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:39, skipping insertion in model container [2024-11-13 20:59:39,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:39" (1/1) ... [2024-11-13 20:59:39,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:59:39,854 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_1ff82994-5baa-4480-a640-8609dd22801d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-13 20:59:40,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:40,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:59:40,395 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_1ff82994-5baa-4480-a640-8609dd22801d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-13 20:59:40,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:40,717 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:59:40,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40 WrapperNode [2024-11-13 20:59:40,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:40,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:40,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:59:40,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:59:40,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:40,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:41,680 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4469 [2024-11-13 20:59:41,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:41,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:59:41,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:59:41,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:59:41,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:41,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:41,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:41,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:42,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:42,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:42,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:42,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:42,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:59:42,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:59:42,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:59:42,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:59:42,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:42,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:59:42,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:59:42,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:59:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:59:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:59:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:59:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:59:42,883 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:59:42,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:59:50,385 INFO L? ?]: Removed 2795 outVars from TransFormulas that were not future-live. [2024-11-13 20:59:50,386 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:59:59,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:59:59,811 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:59:59,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:59 BoogieIcfgContainer [2024-11-13 20:59:59,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:59:59,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:59:59,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:59:59,825 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:59:59,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:59" (1/1) ... [2024-11-13 20:59:59,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:59:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:59:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:59:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:59:59,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:14,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:00:24,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:00:35,924 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 [] [2024-11-13 21:00:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:00:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:00:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:00:35,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:35,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:03:24,045 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) [2024-11-13 21:03:24,054 INFO L158 Benchmark]: Toolchain (without parser) took 224535.82ms. Allocated memory was 142.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 116.1MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-13 21:03:24,055 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:24,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1199.18ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 95.6MB in the end (delta: 20.6MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 961.85ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 95.6MB in the beginning and 262.2MB in the end (delta: -166.6MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,061 INFO L158 Benchmark]: Boogie Preprocessor took 570.70ms. Allocated memory is still 369.1MB. Free memory was 262.0MB in the beginning and 240.2MB in the end (delta: 21.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,061 INFO L158 Benchmark]: RCFGBuilder took 17557.39ms. Allocated memory was 369.1MB in the beginning and 1.0GB in the end (delta: 637.5MB). Free memory was 240.2MB in the beginning and 589.7MB in the end (delta: -349.5MB). Peak memory consumption was 564.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,062 INFO L158 Benchmark]: CodeCheck took 204240.42ms. Allocated memory was 1.0GB in the beginning and 2.9GB in the end (delta: 1.9GB). Free memory was 589.7MB in the beginning and 2.5GB in the end (delta: -1.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-13 21:03:24,065 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1199.18ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 95.6MB in the end (delta: 20.6MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 961.85ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 95.6MB in the beginning and 262.2MB in the end (delta: -166.6MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 570.70ms. Allocated memory is still 369.1MB. Free memory was 262.0MB in the beginning and 240.2MB in the end (delta: 21.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * RCFGBuilder took 17557.39ms. Allocated memory was 369.1MB in the beginning and 1.0GB in the end (delta: 637.5MB). Free memory was 240.2MB in the beginning and 589.7MB in the end (delta: -349.5MB). Peak memory consumption was 564.2MB. Max. memory is 16.1GB. * CodeCheck took 204240.42ms. Allocated memory was 1.0GB in the beginning and 2.9GB in the end (delta: 1.9GB). Free memory was 589.7MB in the beginning and 2.5GB in the end (delta: -1.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:03:24,279 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:03:24,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm --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 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:26,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:27,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:03:27,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:27,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:27,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:27,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:27,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:27,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:27,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:27,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:27,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:27,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:27,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:27,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:27,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:27,103 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:27,103 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:03:27,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:27,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:27,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:27,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:27,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:27,103 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:03:27,104 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:27,104 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:03:27,104 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_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm 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 -> 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 [2024-11-13 21:03:27,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:27,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:27,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:27,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:27,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:27,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:03:29,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:30,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:30,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-11-13 21:03:30,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data/a33432bfb/e8894a89c0334f1881fb09cd46883a4f/FLAG8d3177a62 [2024-11-13 21:03:30,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/data/a33432bfb/e8894a89c0334f1881fb09cd46883a4f [2024-11-13 21:03:30,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:30,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:30,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:30,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:30,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:30,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:30" (1/1) ... [2024-11-13 21:03:30,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709c4e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:30, skipping insertion in model container [2024-11-13 21:03:30,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:30" (1/1) ... [2024-11-13 21:03:30,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:30,634 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_1ff82994-5baa-4480-a640-8609dd22801d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-13 21:03:31,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:31,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:31,333 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_1ff82994-5baa-4480-a640-8609dd22801d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-13 21:03:31,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:31,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:31,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31 WrapperNode [2024-11-13 21:03:31,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:31,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:31,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:31,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:31,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:31,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:31,896 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1989 [2024-11-13 21:03:31,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:31,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:31,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:31,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:31,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:31,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:31,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:31,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:31,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:32,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:32,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:32,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:32,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:32,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:32,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:32,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:32,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:31" (1/1) ... [2024-11-13 21:03:32,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:32,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:32,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:32,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:03:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:32,834 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:32,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:38,576 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:38,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:38,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:38,682 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:03:38,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:38 BoogieIcfgContainer [2024-11-13 21:03:38,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:38,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:38,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:38,698 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:38,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:38" (1/1) ... [2024-11-13 21:03:38,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:03:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:03:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:03:38,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:38,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:38,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:38,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:03:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:39,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:39,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:03:39,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:40,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:03:40,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:03:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:03:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:03:40,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:40,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:40,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:40,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ff82994-5baa-4480-a640-8609dd22801d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:03:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:42,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:42,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 21:03:42,814 INFO L278 TraceCheckSpWp]: Computing forward predicates...