./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:34:01,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:34:01,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:34:01,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:34:01,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:34:01,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:34:01,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:34:01,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:34:01,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:34:01,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:34:01,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:34:01,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:34:01,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:34:01,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:34:01,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:34:01,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:34:01,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:34:01,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:34:01,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:34:01,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:34:01,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:34:01,347 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:34:01,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:34:01,347 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_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2024-12-06 00:34:01,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:34:01,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:34:01,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:34:01,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:34:01,601 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:34:01,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-12-06 00:34:04,309 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/7b1965c6c/c26127e542d74d94b033221531988211/FLAGfe88c693f [2024-12-06 00:34:04,575 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:34:04,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-12-06 00:34:04,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/7b1965c6c/c26127e542d74d94b033221531988211/FLAGfe88c693f [2024-12-06 00:34:04,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/7b1965c6c/c26127e542d74d94b033221531988211 [2024-12-06 00:34:04,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:34:04,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:34:04,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:34:04,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:34:04,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:34:04,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:34:04" (1/1) ... [2024-12-06 00:34:04,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d89de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:04, skipping insertion in model container [2024-12-06 00:34:04,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:34:04" (1/1) ... [2024-12-06 00:34:04,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:34:04,788 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_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-12-06 00:34:05,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:34:05,089 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:34:05,096 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_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-12-06 00:34:05,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:34:05,249 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:34:05,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05 WrapperNode [2024-12-06 00:34:05,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:34:05,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:34:05,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:34:05,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:34:05,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:05,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:05,887 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7526 [2024-12-06 00:34:05,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:34:05,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:34:05,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:34:05,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:34:05,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:05,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:34:06,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:34:06,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:34:06,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:34:06,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:05" (1/1) ... [2024-12-06 00:34:06,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:34:06,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:34:06,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:34:06,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:34:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:34:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:34:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:34:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:34:07,065 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:34:07,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:34:14,105 INFO L? ?]: Removed 4154 outVars from TransFormulas that were not future-live. [2024-12-06 00:34:14,106 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:34:24,287 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:34:24,288 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:34:24,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:34:24 BoogieIcfgContainer [2024-12-06 00:34:24,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:34:24,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:34:24,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:34:24,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:34:24,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:34:24" (1/1) ... [2024-12-06 00:34:24,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:34:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:34:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:34:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:34:24,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:24,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:34:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:34:36,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:34:46,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:34:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:34:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:34:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:34:46,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:35:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:35:37,944 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:36:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:36:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:36:48,472 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:36:48,475 INFO L158 Benchmark]: Toolchain (without parser) took 163867.43ms. Allocated memory was 142.6MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 113.8MB in the beginning and 669.6MB in the end (delta: -555.8MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-06 00:36:48,475 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:36:48,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.54ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 70.7MB in the end (delta: 42.9MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2024-12-06 00:36:48,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 637.01ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 70.7MB in the beginning and 127.4MB in the end (delta: -56.6MB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. [2024-12-06 00:36:48,477 INFO L158 Benchmark]: Boogie Preprocessor took 656.61ms. Allocated memory was 310.4MB in the beginning and 931.1MB in the end (delta: 620.8MB). Free memory was 127.4MB in the beginning and 707.7MB in the end (delta: -580.3MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-12-06 00:36:48,477 INFO L158 Benchmark]: RCFGBuilder took 17742.61ms. Allocated memory was 931.1MB in the beginning and 1.9GB in the end (delta: 931.1MB). Free memory was 707.7MB in the beginning and 1.3GB in the end (delta: -618.6MB). Peak memory consumption was 682.3MB. Max. memory is 16.1GB. [2024-12-06 00:36:48,478 INFO L158 Benchmark]: CodeCheck took 144185.18ms. Allocated memory was 1.9GB in the beginning and 2.6GB in the end (delta: 771.8MB). Free memory was 1.3GB in the beginning and 669.6MB in the end (delta: 656.7MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 00:36:48,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.54ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 70.7MB in the end (delta: 42.9MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 637.01ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 70.7MB in the beginning and 127.4MB in the end (delta: -56.6MB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 656.61ms. Allocated memory was 310.4MB in the beginning and 931.1MB in the end (delta: 620.8MB). Free memory was 127.4MB in the beginning and 707.7MB in the end (delta: -580.3MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * RCFGBuilder took 17742.61ms. Allocated memory was 931.1MB in the beginning and 1.9GB in the end (delta: 931.1MB). Free memory was 707.7MB in the beginning and 1.3GB in the end (delta: -618.6MB). Peak memory consumption was 682.3MB. Max. memory is 16.1GB. * CodeCheck took 144185.18ms. Allocated memory was 1.9GB in the beginning and 2.6GB in the end (delta: 771.8MB). Free memory was 1.3GB in the beginning and 669.6MB in the end (delta: 656.7MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:36:48,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:36:50,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:36:50,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:36:50,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:36:50,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:36:50,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:36:50,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:36:50,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:36:50,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:36:50,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:36:50,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:36:50,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:36:50,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:36:50,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:36:50,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:36:50,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:36:50,599 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:36:50,599 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:50,599 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:36:50,599 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_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2024-12-06 00:36:50,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:36:50,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:36:50,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:36:50,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:36:50,825 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:36:50,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-12-06 00:36:53,499 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/1604415f0/c11e5193cc904f0c80cde8dd8e84e36a/FLAGa26e96c16 [2024-12-06 00:36:53,801 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:36:53,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2024-12-06 00:36:53,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/1604415f0/c11e5193cc904f0c80cde8dd8e84e36a/FLAGa26e96c16 [2024-12-06 00:36:54,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/data/1604415f0/c11e5193cc904f0c80cde8dd8e84e36a [2024-12-06 00:36:54,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:36:54,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:36:54,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:36:54,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:36:54,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:36:54,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3236e9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54, skipping insertion in model container [2024-12-06 00:36:54,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:36:54,249 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_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-12-06 00:36:54,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:36:54,502 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:36:54,512 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_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2024-12-06 00:36:54,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:36:54,662 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:36:54,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54 WrapperNode [2024-12-06 00:36:54,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:36:54,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:36:54,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:36:54,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:36:54,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,765 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2158 [2024-12-06 00:36:54,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:36:54,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:36:54,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:36:54,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:36:54,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:36:54,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:36:54,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:36:54,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:36:54,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:36:54" (1/1) ... [2024-12-06 00:36:54,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:36:54,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:36:54,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:36:54,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:36:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:36:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:36:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:36:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:36:55,274 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:36:55,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:36:57,209 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-12-06 00:36:57,209 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:36:57,293 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:36:57,293 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:36:57,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:36:57 BoogieIcfgContainer [2024-12-06 00:36:57,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:36:57,295 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:36:57,295 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:36:57,304 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:36:57,304 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:36:57" (1/1) ... [2024-12-06 00:36:57,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:36:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:36:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:36:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:36:57,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:57,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:57,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:57,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:57,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:36:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:57,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:58,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:36:58,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:36:58,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:36:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:36:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:36:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:36:58,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:58,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:58,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:58,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:58,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccb84cc-78d2-4e59-a737-60e88dc5cf9f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:36:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:59,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:59,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:36:59,417 INFO L279 TraceCheckSpWp]: Computing forward predicates...