./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-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_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/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_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/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_c95a758a-0797-44b2-bc66-2eb653998db7/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 f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:38:23,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:38:23,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:38:23,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:38:23,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:38:23,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:38:23,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:38:23,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:38:23,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:38:23,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:38:23,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:38:23,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:38:23,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:38:23,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:38:23,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:38:23,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:38:23,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:38:23,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:23,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:38:23,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:38:23,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:38:23,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:38:23,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:38:23,295 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_c95a758a-0797-44b2-bc66-2eb653998db7/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 -> f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a [2024-12-06 03:38:23,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:38:23,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:38:23,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:38:23,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:38:23,554 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:38:23,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2024-12-06 03:38:26,197 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/705f0d41c/a84b2ca29cd0480ba60f2d9a83564812/FLAG8ecf64e3f [2024-12-06 03:38:26,537 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:38:26,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2024-12-06 03:38:26,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/705f0d41c/a84b2ca29cd0480ba60f2d9a83564812/FLAG8ecf64e3f [2024-12-06 03:38:26,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/705f0d41c/a84b2ca29cd0480ba60f2d9a83564812 [2024-12-06 03:38:26,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:38:26,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:38:26,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:26,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:38:26,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:38:26,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:26" (1/1) ... [2024-12-06 03:38:26,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1443941e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:26, skipping insertion in model container [2024-12-06 03:38:26,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:26" (1/1) ... [2024-12-06 03:38:26,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:38:27,003 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_c95a758a-0797-44b2-bc66-2eb653998db7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2024-12-06 03:38:27,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:27,357 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:38:27,366 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_c95a758a-0797-44b2-bc66-2eb653998db7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2024-12-06 03:38:27,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:27,609 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:38:27,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27 WrapperNode [2024-12-06 03:38:27,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:27,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:27,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:38:27,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:38:27,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:27,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:28,338 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10392 [2024-12-06 03:38:28,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:28,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:38:28,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:38:28,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:38:28,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:28,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:28,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:28,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:28,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:28,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:29,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:29,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:29,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:29,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:38:29,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:38:29,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:38:29,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:38:29,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:27" (1/1) ... [2024-12-06 03:38:29,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:29,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:38:29,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:38:29,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:38:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:38:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:38:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:38:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:38:29,790 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:38:29,792 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:38:42,183 INFO L? ?]: Removed 5597 outVars from TransFormulas that were not future-live. [2024-12-06 03:38:42,184 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:38:56,419 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:38:56,419 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:38:56,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:56 BoogieIcfgContainer [2024-12-06 03:38:56,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:38:56,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:38:56,420 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:38:56,427 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:38:56,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:56" (1/1) ... [2024-12-06 03:38:56,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:38:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:38:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:38:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:38:56,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:38:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:58,336 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 03:39:08,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:39:18,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:39:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:39:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:39:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:39:19,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:19,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:42:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:42:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:42:50,776 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 03:42:50,783 INFO L158 Benchmark]: Toolchain (without parser) took 264005.84ms. Allocated memory was 142.6MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 112.7MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 03:42:50,784 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:42:50,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.78ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 69.5MB in the end (delta: 43.2MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2024-12-06 03:42:50,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 728.12ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 69.5MB in the beginning and 86.0MB in the end (delta: -16.5MB). Peak memory consumption was 215.0MB. Max. memory is 16.1GB. [2024-12-06 03:42:50,786 INFO L158 Benchmark]: Boogie Preprocessor took 900.64ms. Allocated memory was 302.0MB in the beginning and 755.0MB in the end (delta: 453.0MB). Free memory was 86.0MB in the beginning and 484.2MB in the end (delta: -398.1MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-12-06 03:42:50,787 INFO L158 Benchmark]: RCFGBuilder took 27179.21ms. Allocated memory was 755.0MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 484.2MB in the beginning and 321.4MB in the end (delta: 162.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 03:42:50,788 INFO L158 Benchmark]: CodeCheck took 234361.16ms. Allocated memory was 1.2GB in the beginning and 4.2GB in the end (delta: 3.0GB). Free memory was 321.4MB in the beginning and 2.9GB in the end (delta: -2.5GB). Peak memory consumption was 481.3MB. Max. memory is 16.1GB. [2024-12-06 03:42:50,793 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 832.78ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 69.5MB in the end (delta: 43.2MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 728.12ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 69.5MB in the beginning and 86.0MB in the end (delta: -16.5MB). Peak memory consumption was 215.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 900.64ms. Allocated memory was 302.0MB in the beginning and 755.0MB in the end (delta: 453.0MB). Free memory was 86.0MB in the beginning and 484.2MB in the end (delta: -398.1MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * RCFGBuilder took 27179.21ms. Allocated memory was 755.0MB in the beginning and 1.2GB in the end (delta: 419.4MB). Free memory was 484.2MB in the beginning and 321.4MB in the end (delta: 162.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 234361.16ms. Allocated memory was 1.2GB in the beginning and 4.2GB in the end (delta: 3.0GB). Free memory was 321.4MB in the beginning and 2.9GB in the end (delta: -2.5GB). Peak memory consumption was 481.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:42:51,009 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:42:51,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/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_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/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_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/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_c95a758a-0797-44b2-bc66-2eb653998db7/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 f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:42:53,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:42:53,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:42:53,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:42:53,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:42:53,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:42:53,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:42:53,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:42:53,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:42:53,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:42:53,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:42:53,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:42:53,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:42:53,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:42:53,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:42:53,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:42:53,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:42:53,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:42:53,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:42:53,142 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_c95a758a-0797-44b2-bc66-2eb653998db7/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 -> f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a [2024-12-06 03:42:53,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:42:53,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:42:53,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:42:53,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:42:53,373 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:42:53,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2024-12-06 03:42:56,118 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/2c94eea36/54ce0f4871de49c8903b98189a0d24d7/FLAGdf63f3b56 [2024-12-06 03:42:56,391 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:42:56,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2024-12-06 03:42:56,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/2c94eea36/54ce0f4871de49c8903b98189a0d24d7/FLAGdf63f3b56 [2024-12-06 03:42:56,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/data/2c94eea36/54ce0f4871de49c8903b98189a0d24d7 [2024-12-06 03:42:56,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:42:56,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:42:56,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:42:56,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:42:56,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:42:56,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:42:56" (1/1) ... [2024-12-06 03:42:56,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:56, skipping insertion in model container [2024-12-06 03:42:56,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:42:56" (1/1) ... [2024-12-06 03:42:56,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:42:56,662 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_c95a758a-0797-44b2-bc66-2eb653998db7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2024-12-06 03:42:56,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:42:56,954 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:42:56,962 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_c95a758a-0797-44b2-bc66-2eb653998db7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2024-12-06 03:42:57,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:42:57,116 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:42:57,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57 WrapperNode [2024-12-06 03:42:57,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:42:57,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:42:57,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:42:57,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:42:57,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,257 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2784 [2024-12-06 03:42:57,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:42:57,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:42:57,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:42:57,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:42:57,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,331 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:42:57,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:42:57,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:42:57,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:42:57,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:42:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:42:57,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:42:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:42:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:42:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:42:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:42:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:42:57,873 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:42:57,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:43:03,201 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-06 03:43:03,201 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:43:03,297 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:43:03,298 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:43:03,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:43:03 BoogieIcfgContainer [2024-12-06 03:43:03,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:43:03,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:43:03,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:43:03,308 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:43:03,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:43:03" (1/1) ... [2024-12-06 03:43:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:43:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:43:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:43:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:43:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:43:03,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:43:03,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:43:03,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:43:03,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:43:03,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:43:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:04,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:43:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:04,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 03:43:04,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:43:04,488 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 03:43:04,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:43:06,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:43:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:43:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:43:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:43:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:43:07,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:43:07,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:43:07,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:43:07,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:43:07,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c95a758a-0797-44b2-bc66-2eb653998db7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:43:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:09,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:43:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:09,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 03:43:09,520 INFO L279 TraceCheckSpWp]: Computing forward predicates...