./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.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_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/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_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/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_07d06da1-d114-4835-9234-0170cc4469bc/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 3524815bff034276e0456dd09cd1e38ff4ca8ecc740de0177e48994b629150d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:32:53,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:32:53,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:32:53,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:32:53,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:32:53,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:32:53,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:32:53,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:32:53,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:32:53,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:32:53,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:32:53,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:32:53,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:32:53,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:32:53,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:32:53,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:32:53,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:53,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:32:53,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:32:53,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:32:53,311 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:32:53,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:32:53,311 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_07d06da1-d114-4835-9234-0170cc4469bc/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 -> 3524815bff034276e0456dd09cd1e38ff4ca8ecc740de0177e48994b629150d9 [2024-11-25 04:32:53,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:32:53,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:32:53,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:32:53,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:32:53,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:32:53,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2024-11-25 04:32:56,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/785e84936/2f2b948cfb7f444ea16598d49c7df6ee/FLAG172b2617d [2024-11-25 04:32:57,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:32:57,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2024-11-25 04:32:57,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/785e84936/2f2b948cfb7f444ea16598d49c7df6ee/FLAG172b2617d [2024-11-25 04:32:57,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/785e84936/2f2b948cfb7f444ea16598d49c7df6ee [2024-11-25 04:32:57,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:32:57,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:32:57,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:57,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:32:57,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:32:57,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:57" (1/1) ... [2024-11-25 04:32:57,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce9f962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:57, skipping insertion in model container [2024-11-25 04:32:57,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:57" (1/1) ... [2024-11-25 04:32:57,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:32:57,436 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_07d06da1-d114-4835-9234-0170cc4469bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1176,1189] [2024-11-25 04:32:57,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:57,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:32:57,814 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_07d06da1-d114-4835-9234-0170cc4469bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1176,1189] [2024-11-25 04:32:58,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:58,025 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:32:58,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58 WrapperNode [2024-11-25 04:32:58,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:58,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:58,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:32:58,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:32:58,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:58,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:58,728 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3992 [2024-11-25 04:32:58,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:58,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:32:58,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:32:58,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:32:58,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:58,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:58,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:58,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:32:59,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:32:59,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:32:59,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:32:59,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:58" (1/1) ... [2024-11-25 04:32:59,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:32:59,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:32:59,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:32:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:32:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:32:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:32:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:32:59,746 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:32:59,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:33:05,367 INFO L? ?]: Removed 2156 outVars from TransFormulas that were not future-live. [2024-11-25 04:33:05,367 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:33:13,143 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:33:13,143 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:33:13,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:13 BoogieIcfgContainer [2024-11-25 04:33:13,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:33:13,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:33:13,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:33:13,157 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:33:13,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:13" (1/1) ... [2024-11-25 04:33:13,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:33:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:33:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:33:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:33:13,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:13,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:15,522 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 04:33:25,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:33:35,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:33:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:33:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:33:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:33:35,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:33:55,255 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:34:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:34:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:20,580 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 04:34:20,586 INFO L158 Benchmark]: Toolchain (without parser) took 83431.66ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 89.6MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 456.0MB. Max. memory is 16.1GB. [2024-11-25 04:34:20,586 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:34:20,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.38ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 37.6MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:34:20,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 701.06ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 37.6MB in the beginning and 126.9MB in the end (delta: -89.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-11-25 04:34:20,590 INFO L158 Benchmark]: Boogie Preprocessor took 528.09ms. Allocated memory is still 234.9MB. Free memory was 126.9MB in the beginning and 105.2MB in the end (delta: 21.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-25 04:34:20,590 INFO L158 Benchmark]: RCFGBuilder took 13884.99ms. Allocated memory was 234.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 104.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 361.9MB. Max. memory is 16.1GB. [2024-11-25 04:34:20,591 INFO L158 Benchmark]: CodeCheck took 67438.85ms. Allocated memory was 1.4GB in the beginning and 2.3GB in the end (delta: 847.2MB). Free memory was 1.1GB in the beginning and 1.8GB in the end (delta: -669.9MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2024-11-25 04:34:20,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.38ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 37.6MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 701.06ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 37.6MB in the beginning and 126.9MB in the end (delta: -89.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 528.09ms. Allocated memory is still 234.9MB. Free memory was 126.9MB in the beginning and 105.2MB in the end (delta: 21.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * RCFGBuilder took 13884.99ms. Allocated memory was 234.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 104.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 361.9MB. Max. memory is 16.1GB. * CodeCheck took 67438.85ms. Allocated memory was 1.4GB in the beginning and 2.3GB in the end (delta: 847.2MB). Free memory was 1.1GB in the beginning and 1.8GB in the end (delta: -669.9MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:34:20,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/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_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/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_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/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_07d06da1-d114-4835-9234-0170cc4469bc/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 3524815bff034276e0456dd09cd1e38ff4ca8ecc740de0177e48994b629150d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:34:23,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:34:23,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:34:23,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:34:23,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:34:23,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:34:23,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:34:23,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:34:23,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:34:23,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:34:23,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:34:23,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:34:23,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:34:23,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:34:23,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:34:23,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:34:23,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:34:23,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:34:23,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:34:23,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:34:23,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:34:23,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:34:23,559 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:34:23,559 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:23,559 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:34:23,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:34:23,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:23,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:34:23,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:34:23,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:34:23,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:34:23,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:23,561 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:34:23,561 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_07d06da1-d114-4835-9234-0170cc4469bc/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 -> 3524815bff034276e0456dd09cd1e38ff4ca8ecc740de0177e48994b629150d9 [2024-11-25 04:34:23,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:34:23,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:34:23,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:34:23,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:34:23,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:34:23,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2024-11-25 04:34:26,883 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/441e5cf30/93d5a8c9ef5b416aab1c00bac244bd4f/FLAG8b10429d0 [2024-11-25 04:34:27,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:34:27,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2024-11-25 04:34:27,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/441e5cf30/93d5a8c9ef5b416aab1c00bac244bd4f/FLAG8b10429d0 [2024-11-25 04:34:27,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/data/441e5cf30/93d5a8c9ef5b416aab1c00bac244bd4f [2024-11-25 04:34:27,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:34:27,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:34:27,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:27,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:34:27,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:34:27,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:27,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f69e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27, skipping insertion in model container [2024-11-25 04:34:27,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:27,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:34:27,424 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_07d06da1-d114-4835-9234-0170cc4469bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1176,1189] [2024-11-25 04:34:27,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:27,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:34:27,737 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_07d06da1-d114-4835-9234-0170cc4469bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1176,1189] [2024-11-25 04:34:27,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:27,921 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:34:27,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27 WrapperNode [2024-11-25 04:34:27,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:27,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:27,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:34:27,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:34:27,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:27,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,068 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1132 [2024-11-25 04:34:28,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:28,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:34:28,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:34:28,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:34:28,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:34:28,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:34:28,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:34:28,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:34:28,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:27" (1/1) ... [2024-11-25 04:34:28,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:34:28,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:34:28,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:34:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:34:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:34:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:34:28,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:34:28,648 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:34:28,650 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:34:30,262 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-25 04:34:30,263 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:34:30,329 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:34:30,329 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:34:30,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:30 BoogieIcfgContainer [2024-11-25 04:34:30,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:34:30,331 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:34:30,331 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:34:30,345 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:34:30,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:30" (1/1) ... [2024-11-25 04:34:30,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:34:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:34:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:34:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:34:30,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:30,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:30,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:30,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:30,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:34:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:30,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:31,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:34:31,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:31,185 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 04:34:31,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:34:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:34:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:34:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:34:31,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:31,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:31,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:34:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:31,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:32,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:34:32,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:57,869 WARN L286 SmtUtils]: Spent 21.62s on a formula simplification that was a NOOP. DAG size: 957 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:34:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:58,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:35:44,781 WARN L286 SmtUtils]: Spent 43.60s on a formula simplification. DAG size of input: 962 DAG size of output: 962 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:36:08,580 WARN L286 SmtUtils]: Spent 21.75s on a formula simplification that was a NOOP. DAG size: 958 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:36:31,606 WARN L286 SmtUtils]: Spent 22.46s on a formula simplification that was a NOOP. DAG size: 964 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:36:55,220 WARN L286 SmtUtils]: Spent 21.97s on a formula simplification that was a NOOP. DAG size: 963 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:37:19,657 WARN L286 SmtUtils]: Spent 22.50s on a formula simplification that was a NOOP. DAG size: 965 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:37:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-25 04:37:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-25 04:37:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:37:20,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:20,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:20,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:20,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:20,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d06da1-d114-4835-9234-0170cc4469bc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:37:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:21,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:21,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:37:21,404 INFO L279 TraceCheckSpWp]: Computing forward predicates...