./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-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_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/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_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/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_e8239946-8e42-46b7-90f1-a29c76b3c24f/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 f7c3258277a9924eab4b06cb8d8e9a431bdb630d99f2265cca09f7ababbeffe7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:34:40,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:34:40,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:34:40,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:34:40,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:34:40,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:34:40,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:34:40,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:34:40,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:34:40,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:34:40,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:34:40,737 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:34:40,737 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:34:40,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:34:40,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:40,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:34:40,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:34:40,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:34:40,738 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:34:40,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:34:40,738 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_e8239946-8e42-46b7-90f1-a29c76b3c24f/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 -> f7c3258277a9924eab4b06cb8d8e9a431bdb630d99f2265cca09f7ababbeffe7 [2024-12-05 23:34:40,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:34:41,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:34:41,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:34:41,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:34:41,004 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:34:41,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c [2024-12-05 23:34:43,730 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/153b12815/b9fc2638a5704899b6300c42263ce4d0/FLAGa8a5586c3 [2024-12-05 23:34:44,044 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:44,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c [2024-12-05 23:34:44,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/153b12815/b9fc2638a5704899b6300c42263ce4d0/FLAGa8a5586c3 [2024-12-05 23:34:44,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/153b12815/b9fc2638a5704899b6300c42263ce4d0 [2024-12-05 23:34:44,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:44,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:44,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:44,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:44,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:44,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:44" (1/1) ... [2024-12-05 23:34:44,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37930ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:44, skipping insertion in model container [2024-12-05 23:34:44,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:44" (1/1) ... [2024-12-05 23:34:44,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:44,503 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_e8239946-8e42-46b7-90f1-a29c76b3c24f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c[1171,1184] [2024-12-05 23:34:44,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:44,939 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:44,947 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_e8239946-8e42-46b7-90f1-a29c76b3c24f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c[1171,1184] [2024-12-05 23:34:45,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:45,245 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:45,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45 WrapperNode [2024-12-05 23:34:45,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:45,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:45,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:45,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:45,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:45,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:46,523 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12370 [2024-12-05 23:34:46,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:46,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:46,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:46,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:46,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:46,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:46,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:46,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:47,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:47,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:47,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:47,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:45" (1/1) ... [2024-12-05 23:34:47,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:47,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:47,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:47,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:34:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:48,496 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:48,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:35:10,686 INFO L? ?]: Removed 7031 outVars from TransFormulas that were not future-live. [2024-12-05 23:35:10,687 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:31,699 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:31,699 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:35:31,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:31 BoogieIcfgContainer [2024-12-05 23:35:31,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:31,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:31,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:31,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:31,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:31" (1/1) ... [2024-12-05 23:35:31,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:35:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:35:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:35:31,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:44,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:35:54,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:35:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:35:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:35:55,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:35:55,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:01,738 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) [2024-12-05 23:42:01,745 INFO L158 Benchmark]: Toolchain (without parser) took 437459.63ms. Allocated memory was 117.4MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 87.5MB in the beginning and 619.0MB in the end (delta: -531.5MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-05 23:42:01,745 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:42:01,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 960.69ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 87.2MB in the beginning and 77.0MB in the end (delta: 10.2MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-12-05 23:42:01,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 1276.39ms. Allocated memory was 201.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 77.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 242.8MB. Max. memory is 16.1GB. [2024-12-05 23:42:01,748 INFO L158 Benchmark]: Boogie Preprocessor took 1158.58ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 990.2MB in the end (delta: 98.0MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. [2024-12-05 23:42:01,749 INFO L158 Benchmark]: RCFGBuilder took 44016.89ms. Allocated memory was 1.4GB in the beginning and 1.7GB in the end (delta: 293.6MB). Free memory was 990.2MB in the beginning and 314.9MB in the end (delta: 675.3MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-05 23:42:01,749 INFO L158 Benchmark]: CodeCheck took 390042.32ms. Allocated memory was 1.7GB in the beginning and 2.4GB in the end (delta: 729.8MB). Free memory was 314.9MB in the beginning and 619.0MB in the end (delta: -304.1MB). Peak memory consumption was 429.7MB. Max. memory is 16.1GB. [2024-12-05 23:42:01,753 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 960.69ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 87.2MB in the beginning and 77.0MB in the end (delta: 10.2MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1276.39ms. Allocated memory was 201.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 77.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 242.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1158.58ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 990.2MB in the end (delta: 98.0MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. * RCFGBuilder took 44016.89ms. Allocated memory was 1.4GB in the beginning and 1.7GB in the end (delta: 293.6MB). Free memory was 990.2MB in the beginning and 314.9MB in the end (delta: 675.3MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 390042.32ms. Allocated memory was 1.7GB in the beginning and 2.4GB in the end (delta: 729.8MB). Free memory was 314.9MB in the beginning and 619.0MB in the end (delta: -304.1MB). Peak memory consumption was 429.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:42:01,969 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:42:02,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/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_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/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_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/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_e8239946-8e42-46b7-90f1-a29c76b3c24f/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 f7c3258277a9924eab4b06cb8d8e9a431bdb630d99f2265cca09f7ababbeffe7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:42:03,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:42:04,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:42:04,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:42:04,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:42:04,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:42:04,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:42:04,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:42:04,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:42:04,045 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:04,045 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:42:04,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:42:04,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:04,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:42:04,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:42:04,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:42:04,046 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:42:04,046 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:04,046 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:42:04,046 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_e8239946-8e42-46b7-90f1-a29c76b3c24f/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 -> f7c3258277a9924eab4b06cb8d8e9a431bdb630d99f2265cca09f7ababbeffe7 [2024-12-05 23:42:04,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:42:04,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:42:04,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:42:04,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:42:04,288 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:42:04,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c [2024-12-05 23:42:07,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/29649f1dc/cb98ac2349494d85b29b6278a1f31b47/FLAGf9b851e53 [2024-12-05 23:42:07,347 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:42:07,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c [2024-12-05 23:42:07,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/29649f1dc/cb98ac2349494d85b29b6278a1f31b47/FLAGf9b851e53 [2024-12-05 23:42:07,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/data/29649f1dc/cb98ac2349494d85b29b6278a1f31b47 [2024-12-05 23:42:07,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:42:07,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:42:07,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:07,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:42:07,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:42:07,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:07" (1/1) ... [2024-12-05 23:42:07,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130d6f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:07, skipping insertion in model container [2024-12-05 23:42:07,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:07" (1/1) ... [2024-12-05 23:42:07,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:42:07,811 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_e8239946-8e42-46b7-90f1-a29c76b3c24f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c[1171,1184] [2024-12-05 23:42:08,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:08,140 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:42:08,151 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_e8239946-8e42-46b7-90f1-a29c76b3c24f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop4-func-interl.c[1171,1184] [2024-12-05 23:42:08,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:08,335 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:42:08,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08 WrapperNode [2024-12-05 23:42:08,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:08,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:08,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:42:08,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:42:08,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,511 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3642 [2024-12-05 23:42:08,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:08,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:42:08,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:42:08,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:42:08,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:42:08,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:42:08,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:42:08,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:42:08,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:08" (1/1) ... [2024-12-05 23:42:08,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:08,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:42:08,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:42:08,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:42:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:42:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:42:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:42:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:42:09,342 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:42:09,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:42:13,002 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-12-05 23:42:13,002 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:42:13,097 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:42:13,097 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:42:13,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:13 BoogieIcfgContainer [2024-12-05 23:42:13,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:42:13,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:42:13,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:42:13,108 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:42:13,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:13" (1/1) ... [2024-12-05 23:42:13,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:42:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:42:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:42:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:42:13,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:13,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:13,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:13,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:42:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:14,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:14,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:42:14,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:14,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:42:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:42:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:42:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:42:15,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:15,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:15,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8239946-8e42-46b7-90f1-a29c76b3c24f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:42:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:16,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:17,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:42:17,062 INFO L279 TraceCheckSpWp]: Computing forward predicates...