./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-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_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/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_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/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_573e9266-f920-4d46-bbd3-530dd61bf8d9/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 9ed25352bec2d7da738d6657561b18ebc07528edfed3f1284e6d0b15cad6b1b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:03,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:03,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:24:03,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:24:03,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:24:03,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:03,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:24:03,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:24:03,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:03,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:03,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:03,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:24:03,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:24:03,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:03,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:03,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:03,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:03,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:03,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:03,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:03,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:24:03,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:24:03,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:24:03,631 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_573e9266-f920-4d46-bbd3-530dd61bf8d9/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 -> 9ed25352bec2d7da738d6657561b18ebc07528edfed3f1284e6d0b15cad6b1b1 [2024-11-13 22:24:03,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:03,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:03,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:03,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:03,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:03,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:24:05,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:06,359 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:06,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2024-11-13 22:24:06,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data/4f00caabb/9df72308ac3e4239b5ce6b5723c95a63/FLAG0cfec4c93 [2024-11-13 22:24:06,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data/4f00caabb/9df72308ac3e4239b5ce6b5723c95a63 [2024-11-13 22:24:06,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:06,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:06,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:06,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:06,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:06,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:06" (1/1) ... [2024-11-13 22:24:06,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea96a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:06, skipping insertion in model container [2024-11-13 22:24:06,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:06" (1/1) ... [2024-11-13 22:24:06,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:06,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1176,1189] [2024-11-13 22:24:07,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:07,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:07,263 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_573e9266-f920-4d46-bbd3-530dd61bf8d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1176,1189] [2024-11-13 22:24:07,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:07,546 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:07,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07 WrapperNode [2024-11-13 22:24:07,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:07,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:07,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:07,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:07,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:07,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:08,507 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7678 [2024-11-13 22:24:08,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:08,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:08,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:08,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:08,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:08,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:08,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:08,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:09,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:09,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:09,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:09,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:09,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:09,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:09,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:09,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:09,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:07" (1/1) ... [2024-11-13 22:24:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:09,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:09,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:09,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:24:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:10,171 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:10,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:22,973 INFO L? ?]: Removed 4223 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:22,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:35,374 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:35,375 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:24:35,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:35 BoogieIcfgContainer [2024-11-13 22:24:35,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:35,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:35,377 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:35,387 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:35,388 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:24:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:24:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:24:35,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:42,134 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 22:24:52,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:02,529 WARN L539 Checker$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 22:25:08,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:19,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:25:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:25:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:25:19,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:19,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:27:49,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:29:55,996 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 22:29:56,001 INFO L158 Benchmark]: Toolchain (without parser) took 349585.26ms. Allocated memory was 142.6MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 115.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 22:29:56,001 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:56,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1128.98ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 69.3MB in the end (delta: 46.2MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2024-11-13 22:29:56,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 959.93ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 69.3MB in the beginning and 261.0MB in the end (delta: -191.8MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. [2024-11-13 22:29:56,003 INFO L158 Benchmark]: Boogie Preprocessor took 936.82ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 261.0MB in the beginning and 1.1GB in the end (delta: -802.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-11-13 22:29:56,003 INFO L158 Benchmark]: RCFGBuilder took 25928.84ms. Allocated memory was 1.3GB in the beginning and 6.4GB in the end (delta: 5.1GB). Free memory was 1.1GB in the beginning and 5.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-13 22:29:56,004 INFO L158 Benchmark]: CodeCheck took 320623.73ms. Allocated memory was 6.4GB in the beginning and 3.1GB in the end (delta: -3.3GB). Free memory was 5.8GB in the beginning and 2.0GB in the end (delta: 3.8GB). Peak memory consumption was 418.5MB. Max. memory is 16.1GB. [2024-11-13 22:29:56,007 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 0.99ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1128.98ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 69.3MB in the end (delta: 46.2MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 959.93ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 69.3MB in the beginning and 261.0MB in the end (delta: -191.8MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 936.82ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 261.0MB in the beginning and 1.1GB in the end (delta: -802.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * RCFGBuilder took 25928.84ms. Allocated memory was 1.3GB in the beginning and 6.4GB in the end (delta: 5.1GB). Free memory was 1.1GB in the beginning and 5.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 320623.73ms. Allocated memory was 6.4GB in the beginning and 3.1GB in the end (delta: -3.3GB). Free memory was 5.8GB in the beginning and 2.0GB in the end (delta: 3.8GB). Peak memory consumption was 418.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:29:56,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/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_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/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_573e9266-f920-4d46-bbd3-530dd61bf8d9/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 9ed25352bec2d7da738d6657561b18ebc07528edfed3f1284e6d0b15cad6b1b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:29:58,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:29:58,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:29:58,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:29:58,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:29:58,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:29:58,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:29:58,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:29:58,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:29:58,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:29:58,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:29:58,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:29:58,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:29:58,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:29:58,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:29:58,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:29:58,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:29:58,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:29:58,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:29:58,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:29:58,979 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:29:58,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:29:58,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:29:58,979 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:58,979 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:29:58,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:29:58,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:58,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:29:58,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:29:58,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:29:58,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:29:58,981 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:58,981 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:29:58,981 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_573e9266-f920-4d46-bbd3-530dd61bf8d9/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 -> 9ed25352bec2d7da738d6657561b18ebc07528edfed3f1284e6d0b15cad6b1b1 [2024-11-13 22:29:59,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:29:59,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:29:59,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:29:59,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:29:59,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:29:59,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:30:01,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:30:01,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:30:01,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2024-11-13 22:30:01,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data/8456de341/76eefc0829864871bd3a254ee1a9ceab/FLAGc713cffad [2024-11-13 22:30:01,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/data/8456de341/76eefc0829864871bd3a254ee1a9ceab [2024-11-13 22:30:01,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:30:01,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:30:01,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:01,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:30:01,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:30:01,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:30:01" (1/1) ... [2024-11-13 22:30:01,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7e64ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:01, skipping insertion in model container [2024-11-13 22:30:01,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:30:01" (1/1) ... [2024-11-13 22:30:01,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:30:02,134 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_573e9266-f920-4d46-bbd3-530dd61bf8d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1176,1189] [2024-11-13 22:30:02,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:02,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:30:02,664 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_573e9266-f920-4d46-bbd3-530dd61bf8d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1176,1189] [2024-11-13 22:30:02,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:02,899 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:30:02,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02 WrapperNode [2024-11-13 22:30:02,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:02,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:02,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:30:02,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:30:02,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:02,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,120 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2550 [2024-11-13 22:30:03,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:03,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:30:03,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:30:03,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:30:03,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:30:03,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:30:03,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:30:03,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:30:03,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:02" (1/1) ... [2024-11-13 22:30:03,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:30:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:30:03,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:30:03,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:30:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:30:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:30:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:30:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:30:04,102 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:30:04,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:30:08,663 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-13 22:30:08,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:30:08,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:30:08,763 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:30:08,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:08 BoogieIcfgContainer [2024-11-13 22:30:08,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:30:08,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:30:08,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:30:08,775 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:30:08,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:08" (1/1) ... [2024-11-13 22:30:08,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:30:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:30:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:30:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:30:08,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:08,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:08,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:08,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:08,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:30:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:09,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:10,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:30:10,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:10,312 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 22:30:10,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:30:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:30:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:30:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:30:10,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:10,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:10,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:10,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:10,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9266-f920-4d46-bbd3-530dd61bf8d9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:30:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:12,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:13,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-13 22:30:13,041 INFO L278 TraceCheckSpWp]: Computing forward predicates...