./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm --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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:25,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:25,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:48:25,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:25,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:25,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:25,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:25,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:25,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:25,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:25,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:25,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:25,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:25,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:25,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:25,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:25,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:25,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:25,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:25,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:25,474 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:25,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:25,474 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_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm 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 -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-11-13 20:48:25,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:25,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:25,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:25,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:25,793 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:25,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:48:27,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:28,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:28,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-13 20:48:28,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data/0e36c2770/2461f231d362485aaee730c902baead3/FLAG749c05521 [2024-11-13 20:48:28,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data/0e36c2770/2461f231d362485aaee730c902baead3 [2024-11-13 20:48:28,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:28,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:28,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:28,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:28,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:28,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:28" (1/1) ... [2024-11-13 20:48:28,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edd676f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:28, skipping insertion in model container [2024-11-13 20:48:28,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:28" (1/1) ... [2024-11-13 20:48:28,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:28,559 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_3a45334e-6492-4a7e-a572-f958e925d472/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-13 20:48:29,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:29,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:29,048 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_3a45334e-6492-4a7e-a572-f958e925d472/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-13 20:48:29,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:29,313 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:29,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29 WrapperNode [2024-11-13 20:48:29,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:29,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:29,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:29,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:29,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:29,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:30,276 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6571 [2024-11-13 20:48:30,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:30,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:30,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:30,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:30,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:30,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:30,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:30,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:30,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:30,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:31,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:31,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:31,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:31,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:31,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:31,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:31,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:31,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:31,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:31,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:31,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:48:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:31,871 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:31,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:41,612 INFO L? ?]: Removed 3458 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:41,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:53,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:53,074 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:48:53,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:53 BoogieIcfgContainer [2024-11-13 20:48:53,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:53,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:53,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:53,084 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:53,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:53" (1/1) ... [2024-11-13 20:48:53,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:48:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:48:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:48:53,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:53,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:07,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:49:18,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:49:20,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:49:27,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:49:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:49:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:49:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:49:27,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:27,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:52,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:52:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:52:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:52:35,346 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:52:35,351 INFO L158 Benchmark]: Toolchain (without parser) took 247079.98ms. Allocated memory was 142.6MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 116.6MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 20:52:35,352 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:35,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1041.44ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 116.4MB in the beginning and 99.5MB in the end (delta: 16.9MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2024-11-13 20:52:35,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 962.25ms. Allocated memory was 151.0MB in the beginning and 335.5MB in the end (delta: 184.5MB). Free memory was 99.5MB in the beginning and 185.6MB in the end (delta: -86.1MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2024-11-13 20:52:35,356 INFO L158 Benchmark]: Boogie Preprocessor took 932.87ms. Allocated memory is still 335.5MB. Free memory was 185.6MB in the beginning and 166.4MB in the end (delta: 19.2MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-11-13 20:52:35,357 INFO L158 Benchmark]: RCFGBuilder took 21863.20ms. Allocated memory was 335.5MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 166.4MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 20:52:35,357 INFO L158 Benchmark]: CodeCheck took 222274.94ms. Allocated memory was 1.8GB in the beginning and 3.6GB in the end (delta: 1.8GB). Free memory was 1.2GB in the beginning and 2.3GB in the end (delta: -1.1GB). Peak memory consumption was 675.8MB. Max. memory is 16.1GB. [2024-11-13 20:52:35,363 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1041.44ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 116.4MB in the beginning and 99.5MB in the end (delta: 16.9MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 962.25ms. Allocated memory was 151.0MB in the beginning and 335.5MB in the end (delta: 184.5MB). Free memory was 99.5MB in the beginning and 185.6MB in the end (delta: -86.1MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 932.87ms. Allocated memory is still 335.5MB. Free memory was 185.6MB in the beginning and 166.4MB in the end (delta: 19.2MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * RCFGBuilder took 21863.20ms. Allocated memory was 335.5MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 166.4MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 222274.94ms. Allocated memory was 1.8GB in the beginning and 3.6GB in the end (delta: 1.8GB). Free memory was 1.2GB in the beginning and 2.3GB in the end (delta: -1.1GB). Peak memory consumption was 675.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:52:35,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/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_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm --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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:38,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:38,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:52:38,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:38,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:38,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:38,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:38,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:38,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:38,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:38,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:38,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:38,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:38,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:38,412 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:52:38,412 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:52:38,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:38,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:52:38,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:38,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:38,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:52:38,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:38,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:38,413 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:52:38,413 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_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm 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 -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-11-13 20:52:38,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:38,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:38,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:38,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:38,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:38,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:52:40,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:41,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:41,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-13 20:52:41,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data/27e3042d7/71763e54c22d474cb55b40e85a4f378e/FLAG2107191c3 [2024-11-13 20:52:41,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/data/27e3042d7/71763e54c22d474cb55b40e85a4f378e [2024-11-13 20:52:41,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:41,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:41,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:41,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:41,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:41,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:41" (1/1) ... [2024-11-13 20:52:41,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ddcd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:41, skipping insertion in model container [2024-11-13 20:52:41,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:41" (1/1) ... [2024-11-13 20:52:41,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:41,529 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_3a45334e-6492-4a7e-a572-f958e925d472/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-13 20:52:41,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:41,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:41,951 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_3a45334e-6492-4a7e-a572-f958e925d472/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-13 20:52:42,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:42,162 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:42,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42 WrapperNode [2024-11-13 20:52:42,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:42,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:42,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:42,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:42,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,344 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1819 [2024-11-13 20:52:42,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:42,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:42,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:42,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:42,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:42,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:42,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:42,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:42,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:42" (1/1) ... [2024-11-13 20:52:42,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:42,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:42,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:42,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:52:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:42,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:42,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:52:45,800 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-13 20:52:45,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:52:45,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:52:45,877 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:52:45,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:45 BoogieIcfgContainer [2024-11-13 20:52:45,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:52:45,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:52:45,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:52:45,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:52:45,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:45" (1/1) ... [2024-11-13 20:52:45,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:52:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:52:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:52:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:52:45,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:45,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:45,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:45,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:45,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:52:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:46,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:46,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:52:46,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:46,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:52:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:52:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:52:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:52:47,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:47,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:47,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:47,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:47,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45334e-6492-4a7e-a572-f958e925d472/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:52:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:48,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:48,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 20:52:48,900 INFO L278 TraceCheckSpWp]: Computing forward predicates...