./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-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_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:28:34,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:28:34,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:28:34,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:28:34,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:28:34,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:28:34,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:28:34,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:28:34,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:28:34,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:28:34,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:28:34,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:28:34,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:28:34,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:28:34,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:28:34,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:28:34,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:28:34,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:28:34,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:28:34,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:28:34,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:28:34,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:28:34,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:28:34,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:28:34,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:34,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:28:34,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:28:34,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:28:34,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:28:34,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:28:34,332 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_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd [2024-11-25 03:28:34,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:28:34,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:28:34,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:28:34,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:28:34,708 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:28:34,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-11-25 03:28:37,840 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/5e3f3e42e/a3cabf5f9d8c4b0b8a2bb05e8184c3f4/FLAG04fcc883e [2024-11-25 03:28:38,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:28:38,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-11-25 03:28:38,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/5e3f3e42e/a3cabf5f9d8c4b0b8a2bb05e8184c3f4/FLAG04fcc883e [2024-11-25 03:28:38,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/5e3f3e42e/a3cabf5f9d8c4b0b8a2bb05e8184c3f4 [2024-11-25 03:28:38,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:28:38,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:28:38,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:38,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:28:38,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:28:38,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:38" (1/1) ... [2024-11-25 03:28:38,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4294360e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:38, skipping insertion in model container [2024-11-25 03:28:38,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:38" (1/1) ... [2024-11-25 03:28:38,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:28:38,554 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_414bbf4f-7502-4cfe-be4a-2df71821cda0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-25 03:28:39,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:39,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:28:39,096 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_414bbf4f-7502-4cfe-be4a-2df71821cda0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-25 03:28:39,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:39,376 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:28:39,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39 WrapperNode [2024-11-25 03:28:39,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:39,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:39,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:28:39,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:28:39,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:39,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:40,542 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8189 [2024-11-25 03:28:40,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:40,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:28:40,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:28:40,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:28:40,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:40,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:40,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:40,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,422 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:28:41,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:28:41,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:28:41,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:28:41,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:39" (1/1) ... [2024-11-25 03:28:41,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:28:41,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:28:41,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:28:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:28:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:28:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:28:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:28:42,603 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:28:42,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:28:54,813 INFO L? ?]: Removed 4306 outVars from TransFormulas that were not future-live. [2024-11-25 03:28:54,813 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:29:10,286 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:29:10,286 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:29:10,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:10 BoogieIcfgContainer [2024-11-25 03:29:10,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:29:10,287 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:29:10,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:29:10,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:29:10,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:10" (1/1) ... [2024-11-25 03:29:10,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:29:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:29:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:29:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:29:10,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:10,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:29:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:29:28,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:38,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:41,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:46,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:56,284 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 [] [2024-11-25 03:29:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:29:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:29:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:29:56,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:32:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:32:52,089 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:35:51,332 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:35:51,335 INFO L158 Benchmark]: Toolchain (without parser) took 433073.08ms. Allocated memory was 117.4MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 89.4MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 752.4MB. Max. memory is 16.1GB. [2024-11-25 03:35:51,338 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:51,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1113.83ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 43.2MB in the end (delta: 46.0MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-25 03:35:51,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 1164.31ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 43.2MB in the beginning and 88.1MB in the end (delta: -44.9MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2024-11-25 03:35:51,341 INFO L158 Benchmark]: Boogie Preprocessor took 1326.78ms. Allocated memory was 251.7MB in the beginning and 755.0MB in the end (delta: 503.3MB). Free memory was 88.1MB in the beginning and 543.3MB in the end (delta: -455.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-25 03:35:51,341 INFO L158 Benchmark]: RCFGBuilder took 28415.40ms. Allocated memory was 755.0MB in the beginning and 922.7MB in the end (delta: 167.8MB). Free memory was 542.8MB in the beginning and 223.2MB in the end (delta: 319.6MB). Peak memory consumption was 735.8MB. Max. memory is 16.1GB. [2024-11-25 03:35:51,342 INFO L158 Benchmark]: CodeCheck took 401046.85ms. Allocated memory was 922.7MB in the beginning and 3.4GB in the end (delta: 2.5GB). Free memory was 223.2MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-11-25 03:35:51,344 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 0.72ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1113.83ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 43.2MB in the end (delta: 46.0MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1164.31ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 43.2MB in the beginning and 88.1MB in the end (delta: -44.9MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1326.78ms. Allocated memory was 251.7MB in the beginning and 755.0MB in the end (delta: 503.3MB). Free memory was 88.1MB in the beginning and 543.3MB in the end (delta: -455.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * RCFGBuilder took 28415.40ms. Allocated memory was 755.0MB in the beginning and 922.7MB in the end (delta: 167.8MB). Free memory was 542.8MB in the beginning and 223.2MB in the end (delta: 319.6MB). Peak memory consumption was 735.8MB. Max. memory is 16.1GB. * CodeCheck took 401046.85ms. Allocated memory was 922.7MB in the beginning and 3.4GB in the end (delta: 2.5GB). Free memory was 223.2MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:35:51,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:35:54,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:35:54,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:35:54,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:35:54,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:35:54,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:35:54,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:35:54,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:35:54,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:35:54,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:35:54,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:35:54,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:35:54,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:35:54,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:35:54,320 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:35:54,320 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:35:54,320 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:35:54,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:35:54,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:35:54,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:54,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:35:54,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:35:54,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:35:54,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:35:54,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:54,322 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:35:54,322 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_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd [2024-11-25 03:35:54,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:35:54,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:35:54,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:35:54,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:35:54,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:35:54,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-11-25 03:35:57,646 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/ca761cbe3/cd7bd8e33fce4f0eb2a0dc27fd6d5296/FLAG2412a16d4 [2024-11-25 03:35:58,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:35:58,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-11-25 03:35:58,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/ca761cbe3/cd7bd8e33fce4f0eb2a0dc27fd6d5296/FLAG2412a16d4 [2024-11-25 03:35:58,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/data/ca761cbe3/cd7bd8e33fce4f0eb2a0dc27fd6d5296 [2024-11-25 03:35:58,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:35:58,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:35:58,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:58,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:35:58,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:35:58,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:58" (1/1) ... [2024-11-25 03:35:58,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5732cac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:58, skipping insertion in model container [2024-11-25 03:35:58,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:58" (1/1) ... [2024-11-25 03:35:58,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:35:58,560 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_414bbf4f-7502-4cfe-be4a-2df71821cda0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-25 03:35:59,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:59,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:35:59,034 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_414bbf4f-7502-4cfe-be4a-2df71821cda0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-11-25 03:35:59,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:59,250 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:35:59,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59 WrapperNode [2024-11-25 03:35:59,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:59,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:59,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:35:59,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:35:59,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,445 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2233 [2024-11-25 03:35:59,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:59,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:35:59,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:35:59,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:35:59,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,542 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:35:59,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:35:59,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:35:59,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:35:59,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:59" (1/1) ... [2024-11-25 03:35:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:59,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:35:59,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:35:59,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:35:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:35:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:35:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:35:59,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:36:00,181 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:36:00,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:36:04,156 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-11-25 03:36:04,157 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:36:04,242 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:36:04,242 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:36:04,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:04 BoogieIcfgContainer [2024-11-25 03:36:04,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:36:04,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:36:04,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:36:04,257 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:36:04,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:04" (1/1) ... [2024-11-25 03:36:04,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:36:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:36:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:36:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:36:04,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:04,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:04,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:36:04,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:36:04,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:36:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:05,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:36:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:05,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:36:05,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:36:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:36:05,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:36:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:36:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:36:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:36:05,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:05,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:05,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:36:06,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:36:06,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_414bbf4f-7502-4cfe-be4a-2df71821cda0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:36:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:07,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:36:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:07,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-25 03:36:07,894 INFO L279 TraceCheckSpWp]: Computing forward predicates...