./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d50c3ac9aa8c5198923ae85d1cde9fc6de101864ad1461f415523d3e519fbb1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:44:51,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:44:51,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:44:51,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:44:51,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:44:51,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:44:51,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:44:51,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:44:51,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:44:51,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:44:51,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:44:51,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:44:51,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:44:51,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:44:51,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:44:51,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:44:51,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:51,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:44:51,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:44:51,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:44:51,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:44:51,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:44:51,529 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d50c3ac9aa8c5198923ae85d1cde9fc6de101864ad1461f415523d3e519fbb1 [2024-12-06 00:44:51,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:44:51,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:44:51,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:44:51,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:44:51,749 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:44:51,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c [2024-12-06 00:44:54,364 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/5481ad2b5/ef45879afa264cb9815df36a7b72278a/FLAG382f3505b [2024-12-06 00:44:54,773 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:44:54,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c [2024-12-06 00:44:54,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/5481ad2b5/ef45879afa264cb9815df36a7b72278a/FLAG382f3505b [2024-12-06 00:44:54,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/5481ad2b5/ef45879afa264cb9815df36a7b72278a [2024-12-06 00:44:54,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:44:54,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:44:54,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:54,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:44:54,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:44:54,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:54" (1/1) ... [2024-12-06 00:44:54,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4819d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:54, skipping insertion in model container [2024-12-06 00:44:54,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:54" (1/1) ... [2024-12-06 00:44:55,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:44:55,242 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c[1172,1185] [2024-12-06 00:44:55,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:55,762 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:44:55,772 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c[1172,1185] [2024-12-06 00:44:56,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:56,129 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:44:56,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56 WrapperNode [2024-12-06 00:44:56,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:56,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:56,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:44:56,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:44:56,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:56,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,166 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12739 [2024-12-06 00:44:57,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:57,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:44:57,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:44:57,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:44:57,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:57,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:58,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:58,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:58,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:44:58,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:44:58,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:44:58,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:44:58,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:56" (1/1) ... [2024-12-06 00:44:58,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:58,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:44:58,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:44:58,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:44:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:44:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:44:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:44:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:44:59,170 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:44:59,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:45:11,433 INFO L? ?]: Removed 8386 outVars from TransFormulas that were not future-live. [2024-12-06 00:45:11,433 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:45:27,940 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:45:27,940 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:45:27,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:45:27 BoogieIcfgContainer [2024-12-06 00:45:27,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:45:27,941 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:45:27,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:45:27,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:45:27,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:45:27" (1/1) ... [2024-12-06 00:45:27,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:45:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:45:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:45:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:45:27,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:45:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:39,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:45:49,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:45:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:45:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:45:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:45:49,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:56:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:56:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:56:17,129 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:56:17,133 INFO L158 Benchmark]: Toolchain (without parser) took 682177.07ms. Allocated memory was 142.6MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 108.6MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 00:56:17,133 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:56:17,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.41ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 108.6MB in the beginning and 233.0MB in the end (delta: -124.4MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. [2024-12-06 00:56:17,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 1035.40ms. Allocated memory was 352.3MB in the beginning and 1.0GB in the end (delta: 654.3MB). Free memory was 233.0MB in the beginning and 720.9MB in the end (delta: -487.9MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. [2024-12-06 00:56:17,135 INFO L158 Benchmark]: Boogie Preprocessor took 1159.43ms. Allocated memory was 1.0GB in the beginning and 981.5MB in the end (delta: -25.2MB). Free memory was 720.9MB in the beginning and 627.1MB in the end (delta: 93.8MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2024-12-06 00:56:17,135 INFO L158 Benchmark]: RCFGBuilder took 29613.06ms. Allocated memory was 981.5MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 627.1MB in the beginning and 1.3GB in the end (delta: -639.6MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-12-06 00:56:17,135 INFO L158 Benchmark]: CodeCheck took 649190.57ms. Allocated memory was 2.7GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 1.3GB in the beginning and 3.9GB in the end (delta: -2.6GB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-12-06 00:56:17,138 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.41ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 108.6MB in the beginning and 233.0MB in the end (delta: -124.4MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1035.40ms. Allocated memory was 352.3MB in the beginning and 1.0GB in the end (delta: 654.3MB). Free memory was 233.0MB in the beginning and 720.9MB in the end (delta: -487.9MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1159.43ms. Allocated memory was 1.0GB in the beginning and 981.5MB in the end (delta: -25.2MB). Free memory was 720.9MB in the beginning and 627.1MB in the end (delta: 93.8MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. * RCFGBuilder took 29613.06ms. Allocated memory was 981.5MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 627.1MB in the beginning and 1.3GB in the end (delta: -639.6MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * CodeCheck took 649190.57ms. Allocated memory was 2.7GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 1.3GB in the beginning and 3.9GB in the end (delta: -2.6GB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:56:17,347 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:56:17,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d50c3ac9aa8c5198923ae85d1cde9fc6de101864ad1461f415523d3e519fbb1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:56:19,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:56:19,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:56:19,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:56:19,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:56:19,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:56:19,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:56:19,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:56:19,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:56:19,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:56:19,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:56:19,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:56:19,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:56:19,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:56:19,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:19,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:56:19,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:56:19,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:56:19,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:19,430 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:56:19,430 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d50c3ac9aa8c5198923ae85d1cde9fc6de101864ad1461f415523d3e519fbb1 [2024-12-06 00:56:19,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:56:19,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:56:19,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:56:19,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:56:19,659 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:56:19,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c [2024-12-06 00:56:22,346 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/7187220b0/f502f24d98194583b796b25a0a6df892/FLAG870a42b9a [2024-12-06 00:56:22,673 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:56:22,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c [2024-12-06 00:56:22,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/7187220b0/f502f24d98194583b796b25a0a6df892/FLAG870a42b9a [2024-12-06 00:56:22,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/data/7187220b0/f502f24d98194583b796b25a0a6df892 [2024-12-06 00:56:22,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:56:22,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:56:22,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:22,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:56:22,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:56:22,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:22" (1/1) ... [2024-12-06 00:56:22,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f785d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:22, skipping insertion in model container [2024-12-06 00:56:22,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:22" (1/1) ... [2024-12-06 00:56:22,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:56:23,132 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c[1172,1185] [2024-12-06 00:56:23,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:23,541 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:56:23,551 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_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.4.prop1-func-interl.c[1172,1185] [2024-12-06 00:56:23,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:23,875 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:56:23,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23 WrapperNode [2024-12-06 00:56:23,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:23,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:23,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:56:23,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:56:23,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:23,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,091 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5571 [2024-12-06 00:56:24,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:24,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:56:24,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:56:24,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:56:24,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:56:24,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:56:24,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:56:24,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:56:24,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:23" (1/1) ... [2024-12-06 00:56:24,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:24,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:56:24,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:56:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:56:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:56:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:56:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:56:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:56:25,193 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:56:25,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:56:29,705 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-12-06 00:56:29,705 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:56:29,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:56:29,872 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:56:29,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:29 BoogieIcfgContainer [2024-12-06 00:56:29,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:56:29,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:56:29,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:56:29,879 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:56:29,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:56:29" (1/1) ... [2024-12-06 00:56:29,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:56:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:56:29,921 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:56:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:56:29,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:29,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:29,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:56:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:31,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:31,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:56:31,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:31,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:56:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:56:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:56:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:56:31,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:31,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:31,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:31,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:31,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e4bfec-736e-4ec4-88fa-dee35a9cb88f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:56:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:34,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:34,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:35,003 INFO L279 TraceCheckSpWp]: Computing forward predicates...