./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.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_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/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_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/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_772d742d-72d9-40d2-aa48-317a9db44613/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 d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:12:04,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:12:04,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:12:04,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:12:04,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:12:04,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:12:04,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:12:04,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:12:04,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:12:04,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:12:04,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:12:04,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:12:04,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:12:04,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:12:04,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:12:04,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:12:04,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:12:04,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:12:04,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:12:04,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:12:04,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:12:04,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:12:04,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:12:04,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:12:04,833 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_772d742d-72d9-40d2-aa48-317a9db44613/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 -> d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 [2024-11-25 03:12:05,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:12:05,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:12:05,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:12:05,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:12:05,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:12:05,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-11-25 03:12:08,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/f3baa5ae5/814981119a864ccbb857042339043e2a/FLAG78cca5b4a [2024-11-25 03:12:08,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:12:08,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-11-25 03:12:08,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/f3baa5ae5/814981119a864ccbb857042339043e2a/FLAG78cca5b4a [2024-11-25 03:12:09,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/f3baa5ae5/814981119a864ccbb857042339043e2a [2024-11-25 03:12:09,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:12:09,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:12:09,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:12:09,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:12:09,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:12:09,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:09,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76cd6735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09, skipping insertion in model container [2024-11-25 03:12:09,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:09,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:12:09,493 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_772d742d-72d9-40d2-aa48-317a9db44613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:12:09,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:12:09,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:12:09,748 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_772d742d-72d9-40d2-aa48-317a9db44613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:12:09,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:12:09,949 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:12:09,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09 WrapperNode [2024-11-25 03:12:09,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:12:09,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:12:09,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:12:09,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:12:09,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:09,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,320 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-11-25 03:12:10,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:12:10,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:12:10,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:12:10,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:12:10,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:12:10,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:12:10,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:12:10,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:12:10,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:12:09" (1/1) ... [2024-11-25 03:12:10,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:12:10,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:12:10,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:12:10,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:12:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:12:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:12:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:12:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:12:11,037 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:12:11,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:12:14,356 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-25 03:12:14,356 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:12:18,241 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:12:18,241 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:12:18,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:12:18 BoogieIcfgContainer [2024-11-25 03:12:18,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:12:18,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:12:18,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:12:18,254 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:12:18,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:12:18" (1/1) ... [2024-11-25 03:12:18,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:12:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:12:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:12:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:12:18,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:18,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:12:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:20,911 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 03:12:31,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:12:41,035 WARN L539 Checker$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 03:12:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:12:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:12:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:12:41,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:41,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:12:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:12:51,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:12:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:13:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:13:10,398 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 03:13:10,407 INFO L158 Benchmark]: Toolchain (without parser) took 61203.93ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 91.6MB in the beginning and 526.9MB in the end (delta: -435.3MB). Peak memory consumption was 677.6MB. Max. memory is 16.1GB. [2024-11-25 03:13:10,407 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:13:10,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.14ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 61.2MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:13:10,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 369.06ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 61.3MB in the end (delta: -96.0kB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-25 03:13:10,409 INFO L158 Benchmark]: Boogie Preprocessor took 337.53ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 55.0MB in the end (delta: 6.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-25 03:13:10,410 INFO L158 Benchmark]: RCFGBuilder took 7581.59ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 55.0MB in the beginning and 127.6MB in the end (delta: -72.6MB). Peak memory consumption was 267.1MB. Max. memory is 16.1GB. [2024-11-25 03:13:10,410 INFO L158 Benchmark]: CodeCheck took 52162.48ms. Allocated memory was 419.4MB in the beginning and 1.2GB in the end (delta: 813.7MB). Free memory was 127.6MB in the beginning and 526.9MB in the end (delta: -399.3MB). Peak memory consumption was 406.6MB. Max. memory is 16.1GB. [2024-11-25 03:13:10,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.14ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 61.2MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 369.06ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 61.3MB in the end (delta: -96.0kB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 337.53ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 55.0MB in the end (delta: 6.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7581.59ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 55.0MB in the beginning and 127.6MB in the end (delta: -72.6MB). Peak memory consumption was 267.1MB. Max. memory is 16.1GB. * CodeCheck took 52162.48ms. Allocated memory was 419.4MB in the beginning and 1.2GB in the end (delta: 813.7MB). Free memory was 127.6MB in the beginning and 526.9MB in the end (delta: -399.3MB). Peak memory consumption was 406.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:13:10,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/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_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/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_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/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_772d742d-72d9-40d2-aa48-317a9db44613/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 d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:13:13,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:13:13,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:13:13,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:13:13,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:13:13,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:13:13,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:13:13,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:13:13,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:13:13,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:13:13,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:13:13,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:13:13,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:13:13,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:13:13,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:13:13,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:13:13,454 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:13:13,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:13,454 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:13:13,454 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_772d742d-72d9-40d2-aa48-317a9db44613/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 -> d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 [2024-11-25 03:13:13,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:13:13,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:13:13,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:13:13,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:13:13,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:13:13,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-11-25 03:13:16,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/7bc0c8f1a/256ea7b87db84a5aa05e185bc9d5c35c/FLAG8a2dae3bf [2024-11-25 03:13:17,240 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:13:17,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-11-25 03:13:17,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/7bc0c8f1a/256ea7b87db84a5aa05e185bc9d5c35c/FLAG8a2dae3bf [2024-11-25 03:13:17,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/data/7bc0c8f1a/256ea7b87db84a5aa05e185bc9d5c35c [2024-11-25 03:13:17,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:13:17,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:13:17,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:13:17,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:13:17,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:13:17,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:17,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3694f767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17, skipping insertion in model container [2024-11-25 03:13:17,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:17,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:13:17,551 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_772d742d-72d9-40d2-aa48-317a9db44613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:13:17,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:13:17,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:13:17,746 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_772d742d-72d9-40d2-aa48-317a9db44613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-11-25 03:13:17,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:13:17,910 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:13:17,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17 WrapperNode [2024-11-25 03:13:17,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:13:17,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:13:17,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:13:17,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:13:17,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:17,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:17,975 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-11-25 03:13:17,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:13:17,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:13:17,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:13:17,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:13:17,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:17,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:13:18,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:13:18,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:13:18,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:13:18,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:17" (1/1) ... [2024-11-25 03:13:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:13:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:13:18,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:13:18,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:13:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:13:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:13:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:13:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:13:18,333 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:13:18,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:13:19,201 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-25 03:13:19,205 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:13:19,257 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:13:19,258 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:13:19,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:13:19 BoogieIcfgContainer [2024-11-25 03:13:19,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:13:19,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:13:19,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:13:19,273 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:13:19,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:13:19" (1/1) ... [2024-11-25 03:13:19,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:13:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:13:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:13:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:13:19,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:19,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:19,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:13:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:19,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:19,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:13:19,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:19,928 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 03:13:19,932 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:13:19,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:13:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:13:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:13:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:13:20,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:20,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:20,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:20,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:20,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772d742d-72d9-40d2-aa48-317a9db44613/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:13:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:20,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:20,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 03:13:20,870 INFO L279 TraceCheckSpWp]: Computing forward predicates...