./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:37:03,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:37:03,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:37:03,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:37:03,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:37:03,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:37:03,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:37:03,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:37:03,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:37:03,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:37:03,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:37:03,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:37:03,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:37:03,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:37:03,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:37:03,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:37:03,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:37:03,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:37:03,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:37:03,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:37:03,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:37:03,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:37:03,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:37:03,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:37:03,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:03,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:37:03,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:37:03,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:37:03,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:37:03,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:37:03,301 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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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 -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-11-13 21:37:03,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:37:03,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:37:03,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:37:03,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:37:03,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:37:03,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:37:06,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:37:06,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:37:06,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-13 21:37:06,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data/16584544c/65515bd2769d4293b8894be405f7d1dd/FLAG0552d4e11 [2024-11-13 21:37:06,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data/16584544c/65515bd2769d4293b8894be405f7d1dd [2024-11-13 21:37:06,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:37:06,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:37:06,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:06,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:37:06,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:37:06,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:06" (1/1) ... [2024-11-13 21:37:06,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb4df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:06, skipping insertion in model container [2024-11-13 21:37:06,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:06" (1/1) ... [2024-11-13 21:37:06,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:37:06,790 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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-13 21:37:07,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:07,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:37:07,385 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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-13 21:37:07,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:07,644 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:37:07,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07 WrapperNode [2024-11-13 21:37:07,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:07,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:07,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:37:07,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:37:07,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:07,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:08,623 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4590 [2024-11-13 21:37:08,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:08,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:37:08,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:37:08,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:37:08,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:08,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:08,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:08,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:09,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:09,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:09,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:09,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:09,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:37:09,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:37:09,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:37:09,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:37:09,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:07" (1/1) ... [2024-11-13 21:37:09,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:37:09,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:37:09,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:37:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:37:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:37:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:37:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:37:10,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:37:10,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:37:18,007 INFO L? ?]: Removed 2465 outVars from TransFormulas that were not future-live. [2024-11-13 21:37:18,008 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:37:26,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:37:26,234 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:37:26,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:26 BoogieIcfgContainer [2024-11-13 21:37:26,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:37:26,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:37:26,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:37:26,253 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:37:26,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:26" (1/1) ... [2024-11-13 21:37:26,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:37:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:37:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:37:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:37:26,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:26,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:41,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:37:51,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:37:53,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:37:59,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:09,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:38:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:38:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:38:09,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:09,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:57,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:39:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:39:35,434 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:39:35,443 INFO L158 Benchmark]: Toolchain (without parser) took 148945.82ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 89.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 709.0MB. Max. memory is 16.1GB. [2024-11-13 21:39:35,443 INFO L158 Benchmark]: CDTParser took 1.78ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:35,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1147.73ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 71.1MB in the end (delta: 18.8MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-13 21:39:35,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 977.82ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 71.1MB in the beginning and 117.6MB in the end (delta: -46.5MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2024-11-13 21:39:35,447 INFO L158 Benchmark]: Boogie Preprocessor took 777.37ms. Allocated memory is still 234.9MB. Free memory was 117.6MB in the beginning and 103.4MB in the end (delta: 14.2MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2024-11-13 21:39:35,448 INFO L158 Benchmark]: RCFGBuilder took 16831.83ms. Allocated memory was 234.9MB in the beginning and 1.0GB in the end (delta: 780.1MB). Free memory was 103.4MB in the beginning and 395.0MB in the end (delta: -291.6MB). Peak memory consumption was 717.7MB. Max. memory is 16.1GB. [2024-11-13 21:39:35,448 INFO L158 Benchmark]: CodeCheck took 129202.76ms. Allocated memory was 1.0GB in the beginning and 2.2GB in the end (delta: 1.2GB). Free memory was 395.0MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB. [2024-11-13 21:39:35,452 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 1.78ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1147.73ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 71.1MB in the end (delta: 18.8MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 977.82ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 71.1MB in the beginning and 117.6MB in the end (delta: -46.5MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 777.37ms. Allocated memory is still 234.9MB. Free memory was 117.6MB in the beginning and 103.4MB in the end (delta: 14.2MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * RCFGBuilder took 16831.83ms. Allocated memory was 234.9MB in the beginning and 1.0GB in the end (delta: 780.1MB). Free memory was 103.4MB in the beginning and 395.0MB in the end (delta: -291.6MB). Peak memory consumption was 717.7MB. Max. memory is 16.1GB. * CodeCheck took 129202.76ms. Allocated memory was 1.0GB in the beginning and 2.2GB in the end (delta: 1.2GB). Free memory was 395.0MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:39:35,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:39:38,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:39:38,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:39:38,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:39:38,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:39:39,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:39:39,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:39:39,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:39:39,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:39:39,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:39:39,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:39:39,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:39:39,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:39:39,004 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:39:39,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:39,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:39:39,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:39:39,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:39:39,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:39,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:39:39,007 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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/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 -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-11-13 21:39:39,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:39:39,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:39:39,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:39:39,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:39:39,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:39:39,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:39:41,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:39:42,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:39:42,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-13 21:39:42,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data/1cdec0430/11f48c4231a14eedbd1f77b7bceefa2d/FLAGce1ab4f26 [2024-11-13 21:39:42,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/data/1cdec0430/11f48c4231a14eedbd1f77b7bceefa2d [2024-11-13 21:39:42,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:39:42,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:39:42,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:42,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:39:42,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:39:42,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:42" (1/1) ... [2024-11-13 21:39:42,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e108322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:42, skipping insertion in model container [2024-11-13 21:39:42,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:42" (1/1) ... [2024-11-13 21:39:42,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:39:42,679 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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-13 21:39:43,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:43,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:39:43,101 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_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-13 21:39:43,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:43,309 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:39:43,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43 WrapperNode [2024-11-13 21:39:43,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:43,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:43,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:39:43,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:39:43,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,468 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1422 [2024-11-13 21:39:43,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:43,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:39:43,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:39:43,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:39:43,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:39:43,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:39:43,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:39:43,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:39:43,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:43" (1/1) ... [2024-11-13 21:39:43,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:43,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:39:43,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:39:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:39:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:39:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:39:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:39:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:39:44,224 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:39:44,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:39:46,731 INFO L? ?]: Removed 187 outVars from TransFormulas that were not future-live. [2024-11-13 21:39:46,731 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:39:46,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:39:46,833 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:39:46,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:46 BoogieIcfgContainer [2024-11-13 21:39:46,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:39:46,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:39:46,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:39:46,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:39:46,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:46" (1/1) ... [2024-11-13 21:39:46,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:39:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:39:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:39:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:39:46,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:46,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:46,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:46,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:46,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:39:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:47,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:48,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:39:48,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:39:48,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:39:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:39:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:39:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:39:48,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:48,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:48,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:48,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:48,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad5aab-9ba2-44d1-b604-9eaa79227cbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:39:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:49,697 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:50,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:39:50,176 INFO L278 TraceCheckSpWp]: Computing forward predicates...