./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b --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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:27:32,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:27:32,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:27:32,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:27:32,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:27:32,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:27:32,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:27:32,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:27:32,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:27:32,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:27:32,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:27:32,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:27:32,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:27:32,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:27:32,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:27:32,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:27:32,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:27:32,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:27:32,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:32,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:27:32,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:27:32,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:27:32,275 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:27:32,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:27:32,275 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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b 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 -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2024-12-05 21:27:32,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:27:32,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:27:32,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:27:32,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:27:32,507 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:27:32,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-12-05 21:27:35,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/90ad84986/73a9561e93d840f6be9ab61eb9fdef65/FLAG0ac2d0214 [2024-12-05 21:27:35,501 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:35,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-12-05 21:27:35,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/90ad84986/73a9561e93d840f6be9ab61eb9fdef65/FLAG0ac2d0214 [2024-12-05 21:27:35,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/90ad84986/73a9561e93d840f6be9ab61eb9fdef65 [2024-12-05 21:27:35,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:35,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:35,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:35,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:35,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:35,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:35,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78480e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35, skipping insertion in model container [2024-12-05 21:27:35,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:35,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:35,712 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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:27:35,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:35,867 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:35,875 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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:27:35,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:35,967 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:35,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35 WrapperNode [2024-12-05 21:27:35,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:35,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:35,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:35,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:35,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:35,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,160 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-12-05 21:27:36,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:36,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:36,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:36,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:36,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,232 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:36,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:36,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:36,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:36,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:35" (1/1) ... [2024-12-05 21:27:36,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:36,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:36,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:36,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:27:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:27:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:36,519 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:36,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:38,709 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:38,709 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:41,258 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:41,258 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:27:41,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:41 BoogieIcfgContainer [2024-12-05 21:27:41,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:41,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:41,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:41,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:41,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:41" (1/1) ... [2024-12-05 21:27:41,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:27:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:27:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:27:41,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:41,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:53,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:28:03,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:28:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:03,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:28:03,460 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:28:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:28:03,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:03,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:28:09,276 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:28:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:28:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:28:24,308 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) [2024-12-05 21:28:24,312 INFO L158 Benchmark]: Toolchain (without parser) took 48783.86ms. Allocated memory was 142.6MB in the beginning and 956.3MB in the end (delta: 813.7MB). Free memory was 115.9MB in the beginning and 626.2MB in the end (delta: -510.3MB). Peak memory consumption was 307.5MB. Max. memory is 16.1GB. [2024-12-05 21:28:24,313 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:28:24,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.54ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 85.9MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:28:24,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.49ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 87.0MB in the end (delta: -1.1MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-12-05 21:28:24,314 INFO L158 Benchmark]: Boogie Preprocessor took 147.79ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 71.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:28:24,314 INFO L158 Benchmark]: RCFGBuilder took 4949.36ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 71.1MB in the beginning and 168.1MB in the end (delta: -97.0MB). Peak memory consumption was 232.6MB. Max. memory is 16.1GB. [2024-12-05 21:28:24,315 INFO L158 Benchmark]: CodeCheck took 43052.59ms. Allocated memory was 394.3MB in the beginning and 956.3MB in the end (delta: 562.0MB). Free memory was 168.1MB in the beginning and 626.2MB in the end (delta: -458.1MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2024-12-05 21:28:24,317 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.54ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 85.9MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.49ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 87.0MB in the end (delta: -1.1MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.79ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 71.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4949.36ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 71.1MB in the beginning and 168.1MB in the end (delta: -97.0MB). Peak memory consumption was 232.6MB. Max. memory is 16.1GB. * CodeCheck took 43052.59ms. Allocated memory was 394.3MB in the beginning and 956.3MB in the end (delta: 562.0MB). Free memory was 168.1MB in the beginning and 626.2MB in the end (delta: -458.1MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:28:24,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b --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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:28:26,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:28:26,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 21:28:26,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:28:26,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:28:26,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:28:26,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:28:26,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:28:26,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:28:26,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:28:26,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:28:26,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:28:26,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:28:26,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:28:26,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:28:26,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:28:26,457 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:28:26,457 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:28:26,457 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:28:26,457 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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b 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 -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2024-12-05 21:28:26,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:28:26,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:28:26,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:28:26,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:28:26,740 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:28:26,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-12-05 21:28:29,587 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/5182ccd0e/1703294b1e954f5cb3abf4ea5f302d7d/FLAG4454d4073 [2024-12-05 21:28:29,843 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:28:29,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-12-05 21:28:29,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/5182ccd0e/1703294b1e954f5cb3abf4ea5f302d7d/FLAG4454d4073 [2024-12-05 21:28:30,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/data/5182ccd0e/1703294b1e954f5cb3abf4ea5f302d7d [2024-12-05 21:28:30,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:28:30,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:28:30,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:28:30,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:28:30,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:28:30,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5d3a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30, skipping insertion in model container [2024-12-05 21:28:30,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:28:30,303 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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:28:30,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:28:30,435 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:28:30,444 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_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:28:30,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:28:30,527 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:28:30,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30 WrapperNode [2024-12-05 21:28:30,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:28:30,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:28:30,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:28:30,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:28:30,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,578 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-12-05 21:28:30,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:28:30,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:28:30,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:28:30,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:28:30,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:28:30,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:28:30,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:28:30,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:28:30,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:28:30" (1/1) ... [2024-12-05 21:28:30,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:28:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:28:30,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:28:30,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:28:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:28:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:28:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:28:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:28:30,863 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:28:30,865 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:28:31,552 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-05 21:28:31,552 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:28:31,601 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:28:31,601 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:28:31,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:28:31 BoogieIcfgContainer [2024-12-05 21:28:31,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:28:31,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:28:31,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:28:31,613 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:28:31,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:28:31" (1/1) ... [2024-12-05 21:28:31,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:28:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:28:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:28:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:28:31,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:31,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:28:31,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:28:31,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:28:31,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:28:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:31,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:28:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:32,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 21:28:32,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:28:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:28:32,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:28:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:28:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:28:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:28:32,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:32,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:28:32,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:28:32,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:28:32,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea0c185-e9eb-4882-8cab-ce96b4f15d8e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:28:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:32,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:28:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:32,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 21:28:32,912 INFO L279 TraceCheckSpWp]: Computing forward predicates...