./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.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_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/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_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/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_04401854-5f63-46a5-9bf3-974b4654c289/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:39:40,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:39:40,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:39:40,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:39:40,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:39:40,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:39:40,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:39:40,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:39:40,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:39:40,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:39:40,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:39:40,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:39:40,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:39:40,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:39:40,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:39:40,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:40,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:39:40,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:39:40,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:39:40,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:39:40,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:39:40,683 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_04401854-5f63-46a5-9bf3-974b4654c289/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 -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2024-11-25 03:39:41,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:39:41,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:39:41,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:39:41,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:39:41,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:39:41,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-11-25 03:39:43,985 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/13152dd32/9e6a0293f5004e4aa6553ca7a6f8db81/FLAG61efa599e [2024-11-25 03:39:44,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:39:44,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-11-25 03:39:44,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/13152dd32/9e6a0293f5004e4aa6553ca7a6f8db81/FLAG61efa599e [2024-11-25 03:39:44,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/13152dd32/9e6a0293f5004e4aa6553ca7a6f8db81 [2024-11-25 03:39:44,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:39:44,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:39:44,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:44,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:39:44,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:39:44,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d55b195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44, skipping insertion in model container [2024-11-25 03:39:44,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:39:44,821 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_04401854-5f63-46a5-9bf3-974b4654c289/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:39:45,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:45,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:39:45,300 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_04401854-5f63-46a5-9bf3-974b4654c289/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:39:45,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:45,488 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:39:45,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45 WrapperNode [2024-11-25 03:39:45,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:45,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:45,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:39:45,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:39:45,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:45,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,131 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4340 [2024-11-25 03:39:46,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:46,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:39:46,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:39:46,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:39:46,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,378 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:39:46,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:39:46,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:39:46,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:39:46,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:46,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:46,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:39:46,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:39:46,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:39:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:39:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:39:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:39:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:39:47,224 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:39:47,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:39:52,962 INFO L? ?]: Removed 2368 outVars from TransFormulas that were not future-live. [2024-11-25 03:39:52,963 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:00,574 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:00,575 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:40:00,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:00 BoogieIcfgContainer [2024-11-25 03:40:00,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:00,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:00,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:00,588 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:00,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:00" (1/1) ... [2024-11-25 03:40:00,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:40:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:40:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:40:00,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:00,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:04,272 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 03:40:14,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:40:24,536 WARN L539 Checker$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 03:40:30,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:40:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:40:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:40:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:40:30,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:30,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:41:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:41:03,694 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:41:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:41:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:41:42,505 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 03:41:42,511 INFO L158 Benchmark]: Toolchain (without parser) took 117941.21ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 102.4MB in the beginning and 1.0GB in the end (delta: -945.8MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 03:41:42,511 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:41:42,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.40ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 44.3MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:41:42,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 641.31ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 44.0MB in the beginning and 366.8MB in the end (delta: -322.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-11-25 03:41:42,514 INFO L158 Benchmark]: Boogie Preprocessor took 520.45ms. Allocated memory is still 478.2MB. Free memory was 366.8MB in the beginning and 330.4MB in the end (delta: 36.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:41:42,514 INFO L158 Benchmark]: RCFGBuilder took 13921.56ms. Allocated memory was 478.2MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 330.4MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 837.7MB. Max. memory is 16.1GB. [2024-11-25 03:41:42,515 INFO L158 Benchmark]: CodeCheck took 101933.79ms. Allocated memory was 1.9GB in the beginning and 2.3GB in the end (delta: 385.9MB). Free memory was 1.7GB in the beginning and 1.0GB in the end (delta: 605.3MB). Peak memory consumption was 998.3MB. Max. memory is 16.1GB. [2024-11-25 03:41:42,517 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 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 918.40ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 44.3MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 641.31ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 44.0MB in the beginning and 366.8MB in the end (delta: -322.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 520.45ms. Allocated memory is still 478.2MB. Free memory was 366.8MB in the beginning and 330.4MB in the end (delta: 36.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 13921.56ms. Allocated memory was 478.2MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 330.4MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 837.7MB. Max. memory is 16.1GB. * CodeCheck took 101933.79ms. Allocated memory was 1.9GB in the beginning and 2.3GB in the end (delta: 385.9MB). Free memory was 1.7GB in the beginning and 1.0GB in the end (delta: 605.3MB). Peak memory consumption was 998.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:41:42,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/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_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/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_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/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_04401854-5f63-46a5-9bf3-974b4654c289/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:41:45,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:41:45,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:41:45,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:41:45,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:41:45,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:41:45,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:41:45,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:41:45,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:41:45,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:41:45,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:41:45,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:41:45,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:41:45,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:41:45,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:41:45,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:41:45,223 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:41:45,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:45,224 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:41:45,224 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_04401854-5f63-46a5-9bf3-974b4654c289/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 -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2024-11-25 03:41:45,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:41:45,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:41:45,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:41:45,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:41:45,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:41:45,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-11-25 03:41:48,651 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/4bbd0a004/12ca419e8f204c9196b096e0627e8575/FLAG01ff3520a [2024-11-25 03:41:49,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:41:49,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-11-25 03:41:49,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/4bbd0a004/12ca419e8f204c9196b096e0627e8575/FLAG01ff3520a [2024-11-25 03:41:49,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/data/4bbd0a004/12ca419e8f204c9196b096e0627e8575 [2024-11-25 03:41:49,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:41:49,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:41:49,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:41:49,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:41:49,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:41:49,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:49,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49, skipping insertion in model container [2024-11-25 03:41:49,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:49,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:41:49,354 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_04401854-5f63-46a5-9bf3-974b4654c289/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:41:49,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:41:49,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:41:49,697 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_04401854-5f63-46a5-9bf3-974b4654c289/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:41:49,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:41:49,902 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:41:49,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49 WrapperNode [2024-11-25 03:41:49,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:41:49,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:41:49,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:41:49,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:41:49,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:49,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,049 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2024-11-25 03:41:50,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:41:50,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:41:50,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:41:50,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:41:50,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:41:50,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:41:50,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:41:50,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:41:50,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:49" (1/1) ... [2024-11-25 03:41:50,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:41:50,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:41:50,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:41:50,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:41:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:41:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:41:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:41:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:41:50,690 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:41:50,696 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:41:52,823 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-25 03:41:52,823 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:41:52,884 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:41:52,884 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:41:52,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:52 BoogieIcfgContainer [2024-11-25 03:41:52,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:41:52,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:41:52,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:41:52,900 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:41:52,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:52" (1/1) ... [2024-11-25 03:41:52,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:41:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:41:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:41:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:41:52,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:52,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:52,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:52,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:41:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:53,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:53,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:41:53,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:53,926 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 03:41:53,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:41:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:41:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:41:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:41:54,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:54,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:54,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:54,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04401854-5f63-46a5-9bf3-974b4654c289/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:41:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:55,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:55,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-25 03:41:55,524 INFO L279 TraceCheckSpWp]: Computing forward predicates...