./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:00:31,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:00:31,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:00:31,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:00:31,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:00:31,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:00:31,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:00:31,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:00:31,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:00:31,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:00:31,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:00:31,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:00:31,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:00:31,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:00:31,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:00:31,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:00:31,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:00:31,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:00:31,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:00:31,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:00:31,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:00:31,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:00:31,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:00:31,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:00:31,500 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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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 -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-11-13 23:00:31,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:00:31,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:00:31,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:00:31,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:00:31,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:00:31,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c Unable to find full path for "g++" [2024-11-13 23:00:33,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:00:34,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:00:34,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-13 23:00:34,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data/87b8f0cc4/a9e69f794b8d4ab88e3277c4220f00d0/FLAG5f7eb900f [2024-11-13 23:00:34,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data/87b8f0cc4/a9e69f794b8d4ab88e3277c4220f00d0 [2024-11-13 23:00:34,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:00:34,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:00:34,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:00:34,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:00:34,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:00:34,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:34,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70466c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34, skipping insertion in model container [2024-11-13 23:00:34,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:34,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:00:34,340 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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-13 23:00:34,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:00:34,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:00:34,584 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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-13 23:00:34,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:00:34,761 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:00:34,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34 WrapperNode [2024-11-13 23:00:34,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:00:34,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:00:34,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:00:34,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:00:34,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:34,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,054 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1382 [2024-11-13 23:00:35,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:00:35,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:00:35,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:00:35,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:00:35,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:00:35,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:00:35,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:00:35,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:00:35,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:34" (1/1) ... [2024-11-13 23:00:35,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:00:35,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:00:35,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:00:35,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:00:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:00:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:00:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:00:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:00:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:00:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:00:35,627 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:00:35,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:00:37,833 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-13 23:00:37,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:00:39,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:00:39,944 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:00:39,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:39 BoogieIcfgContainer [2024-11-13 23:00:39,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:00:39,946 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:00:39,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:00:39,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:00:39,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:39" (1/1) ... [2024-11-13 23:00:39,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:00:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 23:00:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 23:00:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:00:40,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:00:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 23:00:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 23:00:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:00:44,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:44,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:00:47,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:00:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:01:02,486 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 23:01:02,490 INFO L158 Benchmark]: Toolchain (without parser) took 28398.21ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 93.5MB in the beginning and 463.7MB in the end (delta: -370.2MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. [2024-11-13 23:01:02,491 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:02,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.47ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 63.5MB in the end (delta: 29.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:01:02,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 292.28ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 73.6MB in the end (delta: -10.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 23:01:02,492 INFO L158 Benchmark]: Boogie Preprocessor took 212.52ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 62.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:01:02,493 INFO L158 Benchmark]: RCFGBuilder took 4676.17ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 62.2MB in the beginning and 141.0MB in the end (delta: -78.8MB). Peak memory consumption was 120.1MB. Max. memory is 16.1GB. [2024-11-13 23:01:02,493 INFO L158 Benchmark]: CodeCheck took 22543.31ms. Allocated memory was 310.4MB in the beginning and 620.8MB in the end (delta: 310.4MB). Free memory was 141.0MB in the beginning and 463.7MB in the end (delta: -322.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:02,496 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 0.29ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.47ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 63.5MB in the end (delta: 29.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 292.28ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 73.6MB in the end (delta: -10.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.52ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 62.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4676.17ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 62.2MB in the beginning and 141.0MB in the end (delta: -78.8MB). Peak memory consumption was 120.1MB. Max. memory is 16.1GB. * CodeCheck took 22543.31ms. Allocated memory was 310.4MB in the beginning and 620.8MB in the end (delta: 310.4MB). Free memory was 141.0MB in the beginning and 463.7MB in the end (delta: -322.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:01:02,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:05,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:05,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:01:05,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:05,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:05,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:05,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:05,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:05,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:05,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:05,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:05,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:05,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:05,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:05,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:05,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:05,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:05,235 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:05,235 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:01:05,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:05,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:05,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:05,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:05,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:05,236 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:01:05,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:05,236 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:01:05,236 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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/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 -> 892a8506f942e825df8a32caf9cdaec45fd7cb5b4dbda5bc8acf67b64cc58b84 [2024-11-13 23:01:05,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:05,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:05,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:05,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:05,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:05,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c Unable to find full path for "g++" [2024-11-13 23:01:07,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:01:07,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:01:07,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c [2024-11-13 23:01:07,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data/58e41a357/0342de1dbbcf48a6bb8c78144bc95bc4/FLAGa2a68b621 [2024-11-13 23:01:07,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/data/58e41a357/0342de1dbbcf48a6bb8c78144bc95bc4 [2024-11-13 23:01:07,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:01:07,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:01:07,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:07,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:01:07,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:01:07,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:07" (1/1) ... [2024-11-13 23:01:07,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e62c6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:07, skipping insertion in model container [2024-11-13 23:01:07,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:07" (1/1) ... [2024-11-13 23:01:07,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:01:08,028 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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-13 23:01:08,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:08,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:01:08,207 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_7fce5cb0-ae8e-48cc-9920-94233e3016c1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d8_e0.c[1278,1291] [2024-11-13 23:01:08,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:08,330 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:01:08,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08 WrapperNode [2024-11-13 23:01:08,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:08,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:08,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:01:08,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:01:08,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,427 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 638 [2024-11-13 23:01:08,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:08,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:01:08,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:01:08,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:01:08,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:01:08,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:01:08,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:01:08,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:01:08,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:08" (1/1) ... [2024-11-13 23:01:08,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:08,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:01:08,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:01:08,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:01:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:01:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:01:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:01:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:01:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:01:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:01:08,871 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:01:08,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:01:09,548 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-13 23:01:09,548 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:01:09,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:01:09,624 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:01:09,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:09 BoogieIcfgContainer [2024-11-13 23:01:09,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:01:09,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:01:09,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:01:09,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:01:09,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:09" (1/1) ... [2024-11-13 23:01:09,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:01:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 23:01:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 23:01:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:01:09,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:09,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:09,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:01:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:10,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:10,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:01:10,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:01:10,724 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:01:10,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:01:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 23:01:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 23:01:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:01:11,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:11,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:11,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:11,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:11,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:01:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:11,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:12,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:01:12,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 23:01:12,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:01:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-11-13 23:01:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-13 23:01:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:01:14,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:14,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:14,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:14,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:14,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:01:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:15,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:16,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-13 23:01:16,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 23:01:21,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:01:29,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-11-13 23:01:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-13 23:01:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 23:01:29,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:29,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:29,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:29,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:01:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:31,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:31,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 210 conjuncts are in the unsatisfiable core [2024-11-13 23:01:31,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:22,594 WARN L286 SmtUtils]: Spent 2.39m on a formula simplification. DAG size of input: 399 DAG size of output: 292 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:05:13,066 WARN L286 SmtUtils]: Spent 48.45s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:05:35,867 WARN L286 SmtUtils]: Spent 20.80s on a formula simplification that was a NOOP. DAG size: 295 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:05:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 15 proven. 71 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 23:05:40,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fce5cb0-ae8e-48cc-9920-94233e3016c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:07:13,922 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 375 DAG size of output: 328 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:08:07,383 WARN L286 SmtUtils]: Spent 51.47s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:08:52,635 WARN L286 SmtUtils]: Spent 44.60s on a formula simplification. DAG size of input: 377 DAG size of output: 337 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:09:48,573 WARN L286 SmtUtils]: Spent 44.01s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:09:50,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:10:39,186 WARN L286 SmtUtils]: Spent 17.39s on a formula simplification. DAG size of input: 338 DAG size of output: 330 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:10:49,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:10:59,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:12:29,251 WARN L286 SmtUtils]: Spent 1.11m on a formula simplification. DAG size of input: 396 DAG size of output: 338 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:13:20,562 WARN L286 SmtUtils]: Spent 48.87s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:15:22,556 WARN L286 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 398 DAG size of output: 358 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)