./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.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_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/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_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/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_8512f7bb-c111-467e-bb78-f8bd5f75866f/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 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:09:22,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:09:22,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:09:22,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:09:22,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:09:22,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:09:22,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:09:22,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:09:22,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:09:22,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:09:22,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:09:22,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:09:22,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:09:22,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:09:22,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:09:22,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:09:22,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:09:22,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:09:22,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:09:22,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:09:22,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:09:22,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:09:22,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:09:22,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:09:22,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:22,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:09:22,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:09:22,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:09:22,732 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:09:22,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:09:22,732 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/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 -> 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 [2024-11-25 03:09:23,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:09:23,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:09:23,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:09:23,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:09:23,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:09:23,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-11-25 03:09:25,989 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/ed212fa17/6cab3d4df6b549fc8f7ecc16f618a5d0/FLAG6aca81f3d [2024-11-25 03:09:26,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:09:26,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-11-25 03:09:26,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/ed212fa17/6cab3d4df6b549fc8f7ecc16f618a5d0/FLAG6aca81f3d [2024-11-25 03:09:26,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/ed212fa17/6cab3d4df6b549fc8f7ecc16f618a5d0 [2024-11-25 03:09:26,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:09:26,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:09:26,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:26,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:09:26,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:09:26,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:26" (1/1) ... [2024-11-25 03:09:26,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243d2220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:26, skipping insertion in model container [2024-11-25 03:09:26,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:26" (1/1) ... [2024-11-25 03:09:26,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:09:26,782 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-25 03:09:26,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:27,004 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:09:27,014 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-25 03:09:27,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:27,189 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:09:27,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27 WrapperNode [2024-11-25 03:09:27,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:27,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:27,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:09:27,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:09:27,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,505 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1659 [2024-11-25 03:09:27,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:27,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:09:27,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:09:27,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:09:27,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:09:27,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:09:27,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:09:27,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:09:27,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:27" (1/1) ... [2024-11-25 03:09:27,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:27,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:09:27,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:09:27,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:09:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:09:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:09:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:09:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:09:28,134 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:09:28,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:09:30,732 INFO L? ?]: Removed 1042 outVars from TransFormulas that were not future-live. [2024-11-25 03:09:30,732 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:09:34,070 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:09:34,070 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:09:34,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:34 BoogieIcfgContainer [2024-11-25 03:09:34,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:09:34,071 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:09:34,071 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:09:34,081 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:09:34,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:34" (1/1) ... [2024-11-25 03:09:34,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:09:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:09:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:09:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:09:34,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:41,482 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 03:09:51,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:10:01,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:10:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:10:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:10:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:10:03,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:03,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:08,333 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:10:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:10:24,002 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 03:10:24,009 INFO L158 Benchmark]: Toolchain (without parser) took 57451.69ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 93.6MB in the beginning and 1.0GB in the end (delta: -908.5MB). Peak memory consumption was 229.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:24,010 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:24,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.82ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 63.7MB in the end (delta: 30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:10:24,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 314.54ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 61.6MB in the end (delta: 2.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-25 03:10:24,014 INFO L158 Benchmark]: Boogie Preprocessor took 263.74ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 46.1MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:24,015 INFO L158 Benchmark]: RCFGBuilder took 6298.90ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 46.1MB in the beginning and 219.8MB in the end (delta: -173.7MB). Peak memory consumption was 305.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:24,015 INFO L158 Benchmark]: CodeCheck took 49937.15ms. Allocated memory was 604.0MB in the beginning and 1.3GB in the end (delta: 654.3MB). Free memory was 219.8MB in the beginning and 1.0GB in the end (delta: -782.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:24,020 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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.82ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 63.7MB in the end (delta: 30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 314.54ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 61.6MB in the end (delta: 2.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 263.74ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 46.1MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6298.90ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 46.1MB in the beginning and 219.8MB in the end (delta: -173.7MB). Peak memory consumption was 305.8MB. Max. memory is 16.1GB. * CodeCheck took 49937.15ms. Allocated memory was 604.0MB in the beginning and 1.3GB in the end (delta: 654.3MB). Free memory was 219.8MB in the beginning and 1.0GB in the end (delta: -782.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:10:24,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/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_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/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_8512f7bb-c111-467e-bb78-f8bd5f75866f/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 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:10:26,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:10:26,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:10:26,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:10:26,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:10:26,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:10:26,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:10:26,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:10:26,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:10:26,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:10:26,936 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:10:26,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:10:26,936 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:10:26,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:10:26,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:10:26,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:10:26,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:10:26,937 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:26,937 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:10:26,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:10:26,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:26,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:10:26,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:10:26,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:10:26,938 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:10:26,938 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:26,938 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:10:26,938 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/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 -> 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 [2024-11-25 03:10:27,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:10:27,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:10:27,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:10:27,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:10:27,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:10:27,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-11-25 03:10:30,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/00d98df7c/b65601bd07eb4533acde4cdfeb1c7cdd/FLAG0746ec511 [2024-11-25 03:10:30,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:10:30,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-11-25 03:10:30,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/00d98df7c/b65601bd07eb4533acde4cdfeb1c7cdd/FLAG0746ec511 [2024-11-25 03:10:30,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/data/00d98df7c/b65601bd07eb4533acde4cdfeb1c7cdd [2024-11-25 03:10:30,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:10:30,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:10:30,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:30,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:10:30,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:10:30,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:30" (1/1) ... [2024-11-25 03:10:30,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9769ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:30, skipping insertion in model container [2024-11-25 03:10:30,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:30" (1/1) ... [2024-11-25 03:10:30,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:10:31,084 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-25 03:10:31,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:31,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:10:31,292 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_8512f7bb-c111-467e-bb78-f8bd5f75866f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-25 03:10:31,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:31,396 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:10:31,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31 WrapperNode [2024-11-25 03:10:31,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:31,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:31,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:10:31,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:10:31,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,482 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 587 [2024-11-25 03:10:31,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:31,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:10:31,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:10:31,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:10:31,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:10:31,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:10:31,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:10:31,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:10:31,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:31" (1/1) ... [2024-11-25 03:10:31,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:31,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:10:31,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:10:31,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:10:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:10:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:10:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:10:31,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:10:31,802 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:10:31,804 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:10:32,841 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-25 03:10:32,841 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:10:32,881 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:10:32,882 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:10:32,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:32 BoogieIcfgContainer [2024-11-25 03:10:32,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:10:32,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:10:32,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:10:32,904 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:10:32,904 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:32" (1/1) ... [2024-11-25 03:10:32,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:10:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:10:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:10:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:10:32,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:32,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:32,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:32,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:32,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:10:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:33,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:33,479 WARN L254 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-25 03:10:33,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:34,413 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 03:10:34,417 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:10:34,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:10:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:10:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:10:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:10:34,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:34,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:34,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:34,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:34,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:10:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:35,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:35,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-25 03:10:35,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:36,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:10:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-11-25 03:10:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-11-25 03:10:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:10:37,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:37,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:37,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:37,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:37,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:10:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:38,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:38,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-25 03:10:38,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:25,190 WARN L286 SmtUtils]: Spent 50.14s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:19:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:25,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8512f7bb-c111-467e-bb78-f8bd5f75866f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0