./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:17:02,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:17:02,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:17:02,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:17:02,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:17:02,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:17:02,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:17:02,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:17:02,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:17:02,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:17:02,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:17:02,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:17:02,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:17:02,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:17:02,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:17:02,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:17:02,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:17:02,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:17:02,645 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:17:02,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:17:02,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:17:02,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:17:02,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:17:02,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:17:02,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:17:02,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:17:02,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:17:02,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:17:02,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:17:02,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:17:02,647 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_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 [2024-11-25 02:17:03,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:17:03,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:17:03,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:17:03,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:17:03,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:17:03,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-11-25 02:17:07,250 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/a0ac44e80/34e75db584fb45fe9887e0494599f2da/FLAGf260ac3bc [2024-11-25 02:17:07,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:17:07,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-11-25 02:17:07,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/a0ac44e80/34e75db584fb45fe9887e0494599f2da/FLAGf260ac3bc [2024-11-25 02:17:08,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/a0ac44e80/34e75db584fb45fe9887e0494599f2da [2024-11-25 02:17:08,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:17:08,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:17:08,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:17:08,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:17:08,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:17:08,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:17:08" (1/1) ... [2024-11-25 02:17:08,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2f5990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:08, skipping insertion in model container [2024-11-25 02:17:08,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:17:08" (1/1) ... [2024-11-25 02:17:08,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:17:08,505 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_faaa3fc7-93bb-41f4-a271-1e03d60045e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-25 02:17:09,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:17:09,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:17:09,132 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_faaa3fc7-93bb-41f4-a271-1e03d60045e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-25 02:17:09,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:17:09,521 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:17:09,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09 WrapperNode [2024-11-25 02:17:09,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:17:09,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:17:09,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:17:09,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:17:09,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:09,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:10,322 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4469 [2024-11-25 02:17:10,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:17:10,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:17:10,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:17:10,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:17:10,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:10,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:10,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:10,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:10,946 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:11,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:11,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:11,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:11,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:11,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:17:11,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:17:11,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:17:11,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:17:11,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:09" (1/1) ... [2024-11-25 02:17:11,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:17:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:17:11,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:17:11,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:17:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:17:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:17:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:17:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:17:12,134 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:17:12,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:17:22,186 INFO L? ?]: Removed 2795 outVars from TransFormulas that were not future-live. [2024-11-25 02:17:22,186 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:17:34,341 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:17:34,346 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:17:34,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:34 BoogieIcfgContainer [2024-11-25 02:17:34,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:17:34,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:17:34,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:17:34,384 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:17:34,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:34" (1/1) ... [2024-11-25 02:17:34,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:17:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:17:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:17:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:17:34,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:17:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:17:51,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:18:01,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:18:10,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:18:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:18:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:18:10,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:18:10,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:21:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:21:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:21:41,613 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) [2024-11-25 02:21:41,620 INFO L158 Benchmark]: Toolchain (without parser) took 273595.62ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 113.9MB in the beginning and 675.4MB in the end (delta: -561.6MB). Peak memory consumption was 859.2MB. Max. memory is 16.1GB. [2024-11-25 02:21:41,621 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:41,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1497.63ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 93.6MB in the end (delta: 20.1MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2024-11-25 02:21:41,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 798.28ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 92.9MB in the beginning and 259.3MB in the end (delta: -166.4MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2024-11-25 02:21:41,623 INFO L158 Benchmark]: Boogie Preprocessor took 935.91ms. Allocated memory was 369.1MB in the beginning and 335.5MB in the end (delta: -33.6MB). Free memory was 259.3MB in the beginning and 209.1MB in the end (delta: 50.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:21:41,623 INFO L158 Benchmark]: RCFGBuilder took 23084.38ms. Allocated memory was 335.5MB in the beginning and 813.7MB in the end (delta: 478.2MB). Free memory was 209.1MB in the beginning and 372.1MB in the end (delta: -163.0MB). Peak memory consumption was 424.2MB. Max. memory is 16.1GB. [2024-11-25 02:21:41,623 INFO L158 Benchmark]: CodeCheck took 247266.99ms. Allocated memory was 813.7MB in the beginning and 1.6GB in the end (delta: 746.6MB). Free memory was 372.1MB in the beginning and 675.4MB in the end (delta: -303.4MB). Peak memory consumption was 443.1MB. Max. memory is 16.1GB. [2024-11-25 02:21:41,629 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 0.45ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1497.63ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 93.6MB in the end (delta: 20.1MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 798.28ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 92.9MB in the beginning and 259.3MB in the end (delta: -166.4MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 935.91ms. Allocated memory was 369.1MB in the beginning and 335.5MB in the end (delta: -33.6MB). Free memory was 259.3MB in the beginning and 209.1MB in the end (delta: 50.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 23084.38ms. Allocated memory was 335.5MB in the beginning and 813.7MB in the end (delta: 478.2MB). Free memory was 209.1MB in the beginning and 372.1MB in the end (delta: -163.0MB). Peak memory consumption was 424.2MB. Max. memory is 16.1GB. * CodeCheck took 247266.99ms. Allocated memory was 813.7MB in the beginning and 1.6GB in the end (delta: 746.6MB). Free memory was 372.1MB in the beginning and 675.4MB in the end (delta: -303.4MB). Peak memory consumption was 443.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:21:41,844 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:21:41,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:21:44,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:21:44,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:21:44,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:21:44,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:21:44,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:21:44,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:21:44,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:21:44,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:21:44,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:21:44,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:21:44,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:21:44,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:21:44,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:21:44,676 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:21:44,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:21:44,677 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:21:44,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:21:44,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:21:44,678 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:21:44,678 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_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 [2024-11-25 02:21:45,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:21:45,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:21:45,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:21:45,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:21:45,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:21:45,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-11-25 02:21:48,184 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/1895903d4/f4d772eebf904aef95eb48dda9a8aa94/FLAG3ffe4f117 [2024-11-25 02:21:48,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:21:48,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-11-25 02:21:48,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/1895903d4/f4d772eebf904aef95eb48dda9a8aa94/FLAG3ffe4f117 [2024-11-25 02:21:48,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/data/1895903d4/f4d772eebf904aef95eb48dda9a8aa94 [2024-11-25 02:21:48,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:21:48,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:21:48,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:21:48,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:21:48,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:21:48,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:21:48" (1/1) ... [2024-11-25 02:21:48,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4716aaf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:48, skipping insertion in model container [2024-11-25 02:21:48,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:21:48" (1/1) ... [2024-11-25 02:21:48,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:21:48,934 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_faaa3fc7-93bb-41f4-a271-1e03d60045e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-25 02:21:49,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:21:49,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:21:49,396 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_faaa3fc7-93bb-41f4-a271-1e03d60045e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-11-25 02:21:49,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:21:49,639 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:21:49,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49 WrapperNode [2024-11-25 02:21:49,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:21:49,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:21:49,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:21:49,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:21:49,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,861 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1989 [2024-11-25 02:21:49,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:21:49,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:21:49,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:21:49,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:21:49,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:49,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:50,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:50,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:21:50,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:21:50,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:21:50,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:21:50,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:21:49" (1/1) ... [2024-11-25 02:21:50,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:21:50,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:21:50,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:21:50,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:21:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:21:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:21:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:21:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:21:50,596 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:21:50,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:21:56,090 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-25 02:21:56,091 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:21:56,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:21:56,179 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:21:56,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:21:56 BoogieIcfgContainer [2024-11-25 02:21:56,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:21:56,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:21:56,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:21:56,192 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:21:56,193 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:21:56" (1/1) ... [2024-11-25 02:21:56,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:21:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:21:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:21:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:21:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:21:56,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:21:56,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:21:56,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:21:56,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:21:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:21:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:21:57,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:21:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:21:57,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:21:57,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:21:57,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:21:57,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:21:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:21:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:21:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:21:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:21:58,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:21:58,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:21:58,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:21:58,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:21:58,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faaa3fc7-93bb-41f4-a271-1e03d60045e4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:21:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:21:59,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:22:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:22:00,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 02:22:00,113 INFO L279 TraceCheckSpWp]: Computing forward predicates...