./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.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_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/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_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/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_95c7f547-b23e-40a6-af60-491808b40b40/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 a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:18:00,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:18:00,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:18:00,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:18:00,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:18:00,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:18:00,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:18:00,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:18:00,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:18:00,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:18:00,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:18:00,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:18:00,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:18:00,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:18:00,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:18:00,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:18:00,288 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:18:00,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:18:00,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:18:00,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:18:00,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:18:00,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:18:00,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:18:00,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:18:00,288 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_95c7f547-b23e-40a6-af60-491808b40b40/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 -> a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 [2024-11-25 03:18:00,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:18:00,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:18:00,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:18:00,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:18:00,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:18:00,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-11-25 03:18:03,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/e3745500a/cb0b9c8c3a87487ab7f4995f7bd6baaa/FLAG97121848c [2024-11-25 03:18:03,975 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:18:03,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-11-25 03:18:03,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/e3745500a/cb0b9c8c3a87487ab7f4995f7bd6baaa/FLAG97121848c [2024-11-25 03:18:04,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/e3745500a/cb0b9c8c3a87487ab7f4995f7bd6baaa [2024-11-25 03:18:04,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:18:04,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:18:04,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:18:04,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:18:04,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:18:04,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:04,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e23b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04, skipping insertion in model container [2024-11-25 03:18:04,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:04,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:18:04,473 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_95c7f547-b23e-40a6-af60-491808b40b40/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-11-25 03:18:04,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:18:04,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:18:04,689 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_95c7f547-b23e-40a6-af60-491808b40b40/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-11-25 03:18:04,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:18:04,831 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:18:04,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04 WrapperNode [2024-11-25 03:18:04,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:18:04,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:18:04,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:18:04,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:18:04,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:04,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,165 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-11-25 03:18:05,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:18:05,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:18:05,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:18:05,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:18:05,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:18:05,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:18:05,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:18:05,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:18:05,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:04" (1/1) ... [2024-11-25 03:18:05,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:18:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:18:05,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:18:05,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:18:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:18:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:18:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:18:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:18:05,916 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:18:05,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:18:09,052 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-25 03:18:09,052 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:18:13,009 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:18:13,009 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:18:13,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:18:13 BoogieIcfgContainer [2024-11-25 03:18:13,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:18:13,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:18:13,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:18:13,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:18:13,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:18:13" (1/1) ... [2024-11-25 03:18:13,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:18:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:18:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:18:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:18:13,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:13,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:16,665 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 03:18:26,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:18:36,774 WARN L539 Checker$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 03:18:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:18:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:18:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:18:37,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:18:46,401 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:18:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:19:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:19:03,673 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 03:19:03,683 INFO L158 Benchmark]: Toolchain (without parser) took 59462.06ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 118.6MB in the beginning and 719.6MB in the end (delta: -601.0MB). Peak memory consumption was 437.5MB. Max. memory is 16.1GB. [2024-11-25 03:19:03,685 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:19:03,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.51ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 88.3MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:19:03,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 332.95ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 85.6MB in the end (delta: 2.7MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-25 03:19:03,686 INFO L158 Benchmark]: Boogie Preprocessor took 331.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 85.6MB in the beginning and 365.2MB in the end (delta: -279.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-25 03:19:03,686 INFO L158 Benchmark]: RCFGBuilder took 7510.79ms. Allocated memory was 427.8MB in the beginning and 763.4MB in the end (delta: 335.5MB). Free memory was 365.2MB in the beginning and 512.0MB in the end (delta: -146.7MB). Peak memory consumption was 475.2MB. Max. memory is 16.1GB. [2024-11-25 03:19:03,687 INFO L158 Benchmark]: CodeCheck took 50671.89ms. Allocated memory was 763.4MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 512.0MB in the beginning and 719.6MB in the end (delta: -207.6MB). Peak memory consumption was 215.7MB. Max. memory is 16.1GB. [2024-11-25 03:19:03,690 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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.51ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 88.3MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 332.95ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 85.6MB in the end (delta: 2.7MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 331.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 85.6MB in the beginning and 365.2MB in the end (delta: -279.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7510.79ms. Allocated memory was 427.8MB in the beginning and 763.4MB in the end (delta: 335.5MB). Free memory was 365.2MB in the beginning and 512.0MB in the end (delta: -146.7MB). Peak memory consumption was 475.2MB. Max. memory is 16.1GB. * CodeCheck took 50671.89ms. Allocated memory was 763.4MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 512.0MB in the beginning and 719.6MB in the end (delta: -207.6MB). Peak memory consumption was 215.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:19:03,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/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_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/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_95c7f547-b23e-40a6-af60-491808b40b40/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 a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:19:06,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:19:06,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:19:06,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:19:06,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:19:06,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:19:06,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:19:06,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:19:06,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:19:06,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:19:06,409 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:19:06,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:19:06,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:19:06,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:19:06,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:19:06,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:19:06,410 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:19:06,410 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:06,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:19:06,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:19:06,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:06,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:19:06,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:19:06,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:19:06,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:19:06,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:06,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:19:06,412 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_95c7f547-b23e-40a6-af60-491808b40b40/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 -> a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 [2024-11-25 03:19:06,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:19:06,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:19:06,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:19:06,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:19:06,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:19:06,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-11-25 03:19:09,694 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/d4f6aaa2d/a212fa294de2446c9b866fc7b1cca661/FLAGedab995c8 [2024-11-25 03:19:10,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:19:10,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-11-25 03:19:10,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/d4f6aaa2d/a212fa294de2446c9b866fc7b1cca661/FLAGedab995c8 [2024-11-25 03:19:10,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/data/d4f6aaa2d/a212fa294de2446c9b866fc7b1cca661 [2024-11-25 03:19:10,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:19:10,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:19:10,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:10,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:19:10,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:19:10,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef053f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10, skipping insertion in model container [2024-11-25 03:19:10,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:19:10,514 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_95c7f547-b23e-40a6-af60-491808b40b40/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-11-25 03:19:10,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:10,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:19:10,701 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_95c7f547-b23e-40a6-af60-491808b40b40/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-11-25 03:19:10,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:10,817 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:19:10,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10 WrapperNode [2024-11-25 03:19:10,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:10,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:10,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:19:10,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:19:10,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,914 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-11-25 03:19:10,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:10,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:19:10,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:19:10,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:19:10,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,964 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:19:10,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:19:10,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:19:10,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:19:10,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:10" (1/1) ... [2024-11-25 03:19:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:19:11,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:19:11,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:19:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:19:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:19:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:19:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:19:11,257 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:19:11,259 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:19:12,229 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-25 03:19:12,229 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:19:12,275 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:19:12,275 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:19:12,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:12 BoogieIcfgContainer [2024-11-25 03:19:12,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:19:12,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:19:12,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:19:12,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:19:12,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:12" (1/1) ... [2024-11-25 03:19:12,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:19:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:19:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:19:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:19:12,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:12,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:12,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:19:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:12,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:12,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:19:12,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:12,938 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 03:19:12,942 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:19:12,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:19:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:19:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:19:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:13,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:13,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:13,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:13,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:13,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c7f547-b23e-40a6-af60-491808b40b40/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:19:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:13,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:13,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 03:19:13,850 INFO L279 TraceCheckSpWp]: Computing forward predicates...