./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:53:07,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:53:07,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:53:07,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:53:07,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:53:07,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:53:07,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:53:07,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:53:07,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:53:07,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:53:07,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:53:07,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:53:07,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:53:07,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:53:07,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:53:07,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:07,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:53:07,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:53:07,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:53:07,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:53:07,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:53:07,626 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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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 -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-12-06 01:53:07,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:53:07,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:53:07,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:53:07,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:53:07,853 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:53:07,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-12-06 01:53:10,497 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/80d5b1c19/6cacc692d7e4442a9707e0edee6c524a/FLAG065704087 [2024-12-06 01:53:10,749 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:53:10,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-12-06 01:53:10,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/80d5b1c19/6cacc692d7e4442a9707e0edee6c524a/FLAG065704087 [2024-12-06 01:53:10,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/80d5b1c19/6cacc692d7e4442a9707e0edee6c524a [2024-12-06 01:53:10,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:53:10,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:53:10,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:10,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:53:10,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:53:10,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:10" (1/1) ... [2024-12-06 01:53:10,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afc30bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:10, skipping insertion in model container [2024-12-06 01:53:10,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:10" (1/1) ... [2024-12-06 01:53:10,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:53:10,924 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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-12-06 01:53:11,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:11,087 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:53:11,095 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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-12-06 01:53:11,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:11,174 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:53:11,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11 WrapperNode [2024-12-06 01:53:11,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:11,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:11,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:53:11,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:53:11,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,328 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1382 [2024-12-06 01:53:11,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:11,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:53:11,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:53:11,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:53:11,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,397 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:53:11,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:53:11,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:53:11,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:53:11,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:11" (1/1) ... [2024-12-06 01:53:11,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:11,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:53:11,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:53:11,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:53:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:53:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:53:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:53:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:53:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:53:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:53:11,687 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:53:11,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:53:13,253 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-12-06 01:53:13,253 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:53:14,829 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:53:14,829 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:53:14,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:14 BoogieIcfgContainer [2024-12-06 01:53:14,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:53:14,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:53:14,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:53:14,840 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:53:14,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:14" (1/1) ... [2024-12-06 01:53:14,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:53:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:53:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:53:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:53:14,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:53:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 01:53:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 01:53:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:53:18,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:20,029 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:53:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:53:33,661 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 01:53:33,666 INFO L158 Benchmark]: Toolchain (without parser) took 22890.38ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 118.3MB in the beginning and 236.7MB in the end (delta: -118.4MB). Peak memory consumption was 430.0MB. Max. memory is 16.1GB. [2024-12-06 01:53:33,666 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:33,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.26ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 88.4MB in the end (delta: 29.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:53:33,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.63ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 97.3MB in the end (delta: -8.9MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-12-06 01:53:33,668 INFO L158 Benchmark]: Boogie Preprocessor took 127.30ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 86.5MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:53:33,668 INFO L158 Benchmark]: RCFGBuilder took 3372.19ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 85.9MB in the beginning and 263.1MB in the end (delta: -177.3MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. [2024-12-06 01:53:33,669 INFO L158 Benchmark]: CodeCheck took 18835.13ms. Allocated memory was 427.8MB in the beginning and 687.9MB in the end (delta: 260.0MB). Free memory was 263.1MB in the beginning and 236.7MB in the end (delta: 26.4MB). Peak memory consumption was 290.5MB. Max. memory is 16.1GB. [2024-12-06 01:53:33,671 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.26ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 88.4MB in the end (delta: 29.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.63ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 97.3MB in the end (delta: -8.9MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.30ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 86.5MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3372.19ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 85.9MB in the beginning and 263.1MB in the end (delta: -177.3MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. * CodeCheck took 18835.13ms. Allocated memory was 427.8MB in the beginning and 687.9MB in the end (delta: 260.0MB). Free memory was 263.1MB in the beginning and 236.7MB in the end (delta: 26.4MB). Peak memory consumption was 290.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:53:33,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:53:35,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:53:35,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:53:35,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:53:35,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:53:35,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:53:35,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:53:35,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:53:35,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:53:35,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:53:35,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:53:35,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:53:35,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:35,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:53:35,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:53:35,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:53:35,791 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:53:35,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:35,791 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:53:35,791 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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/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 -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-12-06 01:53:36,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:53:36,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:53:36,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:53:36,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:53:36,027 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:53:36,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-12-06 01:53:38,723 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/e15c59132/1426661bf4ec49b5ad71b6ea929e4957/FLAG15182b4a7 [2024-12-06 01:53:38,977 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:53:38,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-12-06 01:53:38,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/e15c59132/1426661bf4ec49b5ad71b6ea929e4957/FLAG15182b4a7 [2024-12-06 01:53:39,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/data/e15c59132/1426661bf4ec49b5ad71b6ea929e4957 [2024-12-06 01:53:39,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:53:39,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:53:39,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:39,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:53:39,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:53:39,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f78c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39, skipping insertion in model container [2024-12-06 01:53:39,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:53:39,461 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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-12-06 01:53:39,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:39,593 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:53:39,600 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_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-12-06 01:53:39,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:39,681 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:53:39,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39 WrapperNode [2024-12-06 01:53:39,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:39,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:39,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:53:39,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:53:39,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,747 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 638 [2024-12-06 01:53:39,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:39,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:53:39,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:53:39,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:53:39,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,772 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:53:39,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:53:39,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:53:39,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:53:39,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:39" (1/1) ... [2024-12-06 01:53:39,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:39,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:53:39,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:53:39,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:53:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:53:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:53:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:53:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:53:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:53:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:53:40,001 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:53:40,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:53:40,467 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-12-06 01:53:40,467 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:53:40,503 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:53:40,503 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:53:40,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:40 BoogieIcfgContainer [2024-12-06 01:53:40,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:53:40,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:53:40,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:53:40,512 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:53:40,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:40" (1/1) ... [2024-12-06 01:53:40,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:53:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:53:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:53:40,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:53:40,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:40,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:40,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:40,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:40,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:53:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:40,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:41,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:53:41,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:53:41,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:53:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 01:53:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 01:53:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:53:41,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:41,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:41,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:41,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:41,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:53:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:42,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:42,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 01:53:42,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:53:43,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:53:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-12-06 01:53:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-12-06 01:53:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:53:44,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:44,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:44,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:53:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:45,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:45,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-06 01:53:45,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 01:53:48,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:53:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-12-06 01:53:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-12-06 01:53:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:53:53,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:53,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:53,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:53,497 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:53,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:53:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:54,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:55,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 206 conjuncts are in the unsatisfiable core [2024-12-06 01:53:55,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:58,465 WARN L286 SmtUtils]: Spent 1.79m on a formula simplification. DAG size of input: 371 DAG size of output: 256 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:56:04,916 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 266 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:56:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 15 proven. 71 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-12-06 01:56:10,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d6835c-3061-4d7b-9da1-dba21f4d94e2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:56:33,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:57:42,716 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 334 DAG size of output: 305 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:58:39,257 WARN L286 SmtUtils]: Spent 55.08s on a formula simplification that was a NOOP. DAG size: 257 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:59:32,022 WARN L286 SmtUtils]: Spent 52.35s on a formula simplification. DAG size of input: 336 DAG size of output: 320 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:00:03,318 WARN L286 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:00:59,304 WARN L286 SmtUtils]: Spent 14.77s on a formula simplification. DAG size of input: 321 DAG size of output: 315 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:09,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:02:40,919 WARN L286 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 355 DAG size of output: 315 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:02:52,773 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 267 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:03:33,106 WARN L286 SmtUtils]: Spent 29.77s on a formula simplification. DAG size of input: 357 DAG size of output: 335 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:04:14,782 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 316 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:04:46,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:04:56,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:05:31,421 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:06:45,136 WARN L286 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 339 DAG size of output: 317 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:07:28,701 WARN L286 SmtUtils]: Spent 12.40s on a formula simplification that was a NOOP. DAG size: 309 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)