./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/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_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/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_0371ec15-fe3e-4276-bfda-77fef80d84d3/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 a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:34:26,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:34:26,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:34:26,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:34:26,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:34:26,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:34:26,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:34:26,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:34:26,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:34:26,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:34:26,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:34:26,092 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:34:26,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:34:26,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:34:26,093 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:34:26,093 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:34:26,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:34:26,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:26,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:34:26,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:34:26,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:34:26,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:34:26,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:34:26,094 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_0371ec15-fe3e-4276-bfda-77fef80d84d3/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 -> a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 [2024-12-06 05:34:26,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:34:26,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:34:26,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:34:26,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:34:26,308 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:34:26,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-12-06 05:34:28,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/db325b7d0/ff10929a1f5d47c5b02211c515d9936d/FLAG728b4768a [2024-12-06 05:34:29,151 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:34:29,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-12-06 05:34:29,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/db325b7d0/ff10929a1f5d47c5b02211c515d9936d/FLAG728b4768a [2024-12-06 05:34:29,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/db325b7d0/ff10929a1f5d47c5b02211c515d9936d [2024-12-06 05:34:29,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:34:29,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:34:29,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:29,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:34:29,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:34:29,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:29,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717006eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29, skipping insertion in model container [2024-12-06 05:34:29,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:29,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:34:29,640 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_0371ec15-fe3e-4276-bfda-77fef80d84d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-12-06 05:34:29,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:29,789 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:34:29,796 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_0371ec15-fe3e-4276-bfda-77fef80d84d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-12-06 05:34:29,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:29,879 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:34:29,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29 WrapperNode [2024-12-06 05:34:29,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:29,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:29,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:34:29,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:34:29,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:29,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,073 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-12-06 05:34:30,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:30,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:34:30,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:34:30,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:34:30,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:34:30,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:34:30,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:34:30,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:34:30,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:29" (1/1) ... [2024-12-06 05:34:30,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:30,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:34:30,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:34:30,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:34:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:34:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:34:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:34:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:34:30,468 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:34:30,470 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:34:32,629 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-12-06 05:34:32,629 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:34:35,063 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:34:35,063 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:34:35,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:35 BoogieIcfgContainer [2024-12-06 05:34:35,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:34:35,064 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:34:35,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:34:35,074 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:34:35,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:35" (1/1) ... [2024-12-06 05:34:35,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:34:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:34:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:34:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:34:35,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:47,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:34:57,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:34:57,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:34:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:34:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:34:57,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:57,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:35:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:35:03,798 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:35:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:35:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:35:18,396 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) [2024-12-06 05:35:18,400 INFO L158 Benchmark]: Toolchain (without parser) took 48903.73ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 956.3MB). Free memory was 115.4MB in the beginning and 915.2MB in the end (delta: -799.8MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2024-12-06 05:35:18,401 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:35:18,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.83ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 85.6MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:35:18,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.61ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 87.3MB in the end (delta: -2.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-12-06 05:35:18,402 INFO L158 Benchmark]: Boogie Preprocessor took 174.15ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 71.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:35:18,402 INFO L158 Benchmark]: RCFGBuilder took 4814.96ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 71.2MB in the beginning and 322.2MB in the end (delta: -251.1MB). Peak memory consumption was 279.7MB. Max. memory is 16.1GB. [2024-12-06 05:35:18,402 INFO L158 Benchmark]: CodeCheck took 43335.37ms. Allocated memory was 469.8MB in the beginning and 1.1GB in the end (delta: 629.1MB). Free memory was 322.2MB in the beginning and 915.2MB in the end (delta: -593.0MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-12-06 05:35:18,405 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.83ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 85.6MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 192.61ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 87.3MB in the end (delta: -2.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.15ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 71.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4814.96ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 71.2MB in the beginning and 322.2MB in the end (delta: -251.1MB). Peak memory consumption was 279.7MB. Max. memory is 16.1GB. * CodeCheck took 43335.37ms. Allocated memory was 469.8MB in the beginning and 1.1GB in the end (delta: 629.1MB). Free memory was 322.2MB in the beginning and 915.2MB in the end (delta: -593.0MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:35:18,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/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_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/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_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/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_0371ec15-fe3e-4276-bfda-77fef80d84d3/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 a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:35:20,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:35:20,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:35:20,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:35:20,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:35:20,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:35:20,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:35:20,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:35:20,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:35:20,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:35:20,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:35:20,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:35:20,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:35:20,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:35:20,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:35:20,398 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:35:20,398 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:35:20,398 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:35:20,398 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_0371ec15-fe3e-4276-bfda-77fef80d84d3/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 -> a80017fb9bc1e009e46bf96bd12fd41e3ea47875a44ea56fa6913c32098fbd12 [2024-12-06 05:35:20,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:35:20,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:35:20,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:35:20,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:35:20,634 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:35:20,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-12-06 05:35:23,273 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/3e7c676ac/f9b58e8d0e0146dfb8452621050ae624/FLAG7d4eb1e5b [2024-12-06 05:35:23,520 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:35:23,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2024-12-06 05:35:23,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/3e7c676ac/f9b58e8d0e0146dfb8452621050ae624/FLAG7d4eb1e5b [2024-12-06 05:35:23,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/data/3e7c676ac/f9b58e8d0e0146dfb8452621050ae624 [2024-12-06 05:35:23,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:35:23,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:35:23,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:35:23,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:35:23,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:35:23,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:35:23" (1/1) ... [2024-12-06 05:35:23,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f75c0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:23, skipping insertion in model container [2024-12-06 05:35:23,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:35:23" (1/1) ... [2024-12-06 05:35:23,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:35:23,979 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_0371ec15-fe3e-4276-bfda-77fef80d84d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-12-06 05:35:24,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:35:24,095 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:35:24,103 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_0371ec15-fe3e-4276-bfda-77fef80d84d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1174,1187] [2024-12-06 05:35:24,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:35:24,185 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:35:24,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24 WrapperNode [2024-12-06 05:35:24,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:35:24,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:35:24,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:35:24,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:35:24,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,239 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-12-06 05:35:24,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:35:24,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:35:24,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:35:24,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:35:24,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:35:24,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:35:24,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:35:24,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:35:24,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:24" (1/1) ... [2024-12-06 05:35:24,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:35:24,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:35:24,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:35:24,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:35:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:35:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:35:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:35:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:35:24,493 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:35:24,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:35:25,115 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-06 05:35:25,115 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:35:25,159 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:35:25,159 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:35:25,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:25 BoogieIcfgContainer [2024-12-06 05:35:25,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:35:25,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:35:25,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:35:25,170 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:35:25,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:25" (1/1) ... [2024-12-06 05:35:25,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:35:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:35:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:35:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:35:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:35:25,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:35:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:35:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:35:25,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:35:25,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:35:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:25,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:35:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:25,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:35:25,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:35:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:35:25,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:35:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:35:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:35:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:35:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:35:25,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:35:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:35:25,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:35:25,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:35:25,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0371ec15-fe3e-4276-bfda-77fef80d84d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:35:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:26,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:35:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:26,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 05:35:26,321 INFO L279 TraceCheckSpWp]: Computing forward predicates...