./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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 3287cb8122ae8673dfd87e0c1115d086c7708a8af7f630d478b193e0a418f294 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:37,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:37,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:27:37,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:27:37,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:27:37,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:37,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:37,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:37,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:37,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:37,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:37,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:37,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:27:37,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:37,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:37,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:37,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:37,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:37,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:37,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:37,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:37,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:37,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:27:37,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:27:37,544 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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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 -> 3287cb8122ae8673dfd87e0c1115d086c7708a8af7f630d478b193e0a418f294 [2024-12-06 01:27:37,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:37,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:37,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:37,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:37,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:37,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c [2024-12-06 01:27:40,348 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/d69731413/1e3d4fe53bad4c4bac29ae5fafec4d4e/FLAG4a53a27c2 [2024-12-06 01:27:40,671 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:40,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c [2024-12-06 01:27:40,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/d69731413/1e3d4fe53bad4c4bac29ae5fafec4d4e/FLAG4a53a27c2 [2024-12-06 01:27:40,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/d69731413/1e3d4fe53bad4c4bac29ae5fafec4d4e [2024-12-06 01:27:40,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:40,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:40,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:40,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:40,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:40,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:40" (1/1) ... [2024-12-06 01:27:40,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6839855c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:40, skipping insertion in model container [2024-12-06 01:27:40,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:40" (1/1) ... [2024-12-06 01:27:40,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:41,126 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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c[1171,1184] [2024-12-06 01:27:41,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:41,461 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:41,470 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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c[1171,1184] [2024-12-06 01:27:41,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:41,696 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:41,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41 WrapperNode [2024-12-06 01:27:41,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:41,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:41,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:41,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:41,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,469 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9237 [2024-12-06 01:27:42,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:42,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:42,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:42,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:42,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:42,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:43,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:43,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:43,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:43,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:43,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:43,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:43,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:43,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:43,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:43,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:43,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:27:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:43,776 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:43,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:27:54,038 INFO L? ?]: Removed 5090 outVars from TransFormulas that were not future-live. [2024-12-06 01:27:54,039 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:28:07,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:28:07,351 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:28:07,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:07 BoogieIcfgContainer [2024-12-06 01:28:07,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:28:07,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:28:07,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:28:07,360 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:28:07,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:07" (1/1) ... [2024-12-06 01:28:07,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:28:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:28:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:28:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:28:07,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:07,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:28:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:10,634 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 01:28:21,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:28:31,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:28:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:32,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:28:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:28:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:28:32,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:32,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:30:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:30:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:30:55,741 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 01:30:55,744 INFO L158 Benchmark]: Toolchain (without parser) took 194821.03ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 115.7MB in the beginning and 595.4MB in the end (delta: -479.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 01:30:55,745 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:30:55,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.00ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 74.3MB in the end (delta: 41.3MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-12-06 01:30:55,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 771.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.3MB in the beginning and 225.7MB in the end (delta: -151.4MB). Peak memory consumption was 261.9MB. Max. memory is 16.1GB. [2024-12-06 01:30:55,746 INFO L158 Benchmark]: Boogie Preprocessor took 693.38ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 225.7MB in the beginning and 1.0GB in the end (delta: -812.4MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2024-12-06 01:30:55,747 INFO L158 Benchmark]: RCFGBuilder took 24187.80ms. Allocated memory was 1.3GB in the beginning and 1.0GB in the end (delta: -276.8MB). Free memory was 1.0GB in the beginning and 267.4MB in the end (delta: 770.6MB). Peak memory consumption was 863.9MB. Max. memory is 16.1GB. [2024-12-06 01:30:55,747 INFO L158 Benchmark]: CodeCheck took 168391.15ms. Allocated memory was 1.0GB in the beginning and 1.7GB in the end (delta: 729.8MB). Free memory was 267.4MB in the beginning and 595.4MB in the end (delta: -328.0MB). Peak memory consumption was 410.1MB. Max. memory is 16.1GB. [2024-12-06 01:30:55,750 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 0.26ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.00ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 74.3MB in the end (delta: 41.3MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 771.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.3MB in the beginning and 225.7MB in the end (delta: -151.4MB). Peak memory consumption was 261.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 693.38ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 225.7MB in the beginning and 1.0GB in the end (delta: -812.4MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * RCFGBuilder took 24187.80ms. Allocated memory was 1.3GB in the beginning and 1.0GB in the end (delta: -276.8MB). Free memory was 1.0GB in the beginning and 267.4MB in the end (delta: 770.6MB). Peak memory consumption was 863.9MB. Max. memory is 16.1GB. * CodeCheck took 168391.15ms. Allocated memory was 1.0GB in the beginning and 1.7GB in the end (delta: 729.8MB). Free memory was 267.4MB in the beginning and 595.4MB in the end (delta: -328.0MB). Peak memory consumption was 410.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:30:55,960 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:30:55,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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 3287cb8122ae8673dfd87e0c1115d086c7708a8af7f630d478b193e0a418f294 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:30:57,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:30:57,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:30:57,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:30:57,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:30:57,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:30:57,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:30:57,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:30:57,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:30:57,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:30:57,878 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:30:57,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:30:57,878 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:30:57,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:30:57,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:30:57,878 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:30:57,878 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:30:57,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:30:57,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:30:57,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:30:57,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:30:57,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:30:57,879 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:30:57,879 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:30:57,879 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:30:57,880 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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/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 -> 3287cb8122ae8673dfd87e0c1115d086c7708a8af7f630d478b193e0a418f294 [2024-12-06 01:30:58,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:30:58,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:30:58,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:30:58,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:30:58,136 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:30:58,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c [2024-12-06 01:31:00,861 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/810773aaf/6ae0ba44ff1b485991c566dd32d24774/FLAG18fe9fc7d [2024-12-06 01:31:01,127 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:01,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c [2024-12-06 01:31:01,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/810773aaf/6ae0ba44ff1b485991c566dd32d24774/FLAG18fe9fc7d [2024-12-06 01:31:01,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/data/810773aaf/6ae0ba44ff1b485991c566dd32d24774 [2024-12-06 01:31:01,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:01,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:01,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:01,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:01,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:01,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2750634d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01, skipping insertion in model container [2024-12-06 01:31:01,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:01,382 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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c[1171,1184] [2024-12-06 01:31:01,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:01,671 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:31:01,678 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_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-func-interl.c[1171,1184] [2024-12-06 01:31:01,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:01,834 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:31:01,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01 WrapperNode [2024-12-06 01:31:01,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:01,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:01,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:31:01,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:31:01,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,966 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2645 [2024-12-06 01:31:01,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:01,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:31:01,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:31:01,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:31:01,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:01,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:31:02,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:31:02,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:31:02,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:31:02,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:01" (1/1) ... [2024-12-06 01:31:02,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:02,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:31:02,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:31:02,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:31:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:31:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:31:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:31:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:31:02,531 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:31:02,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:31:04,885 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-06 01:31:04,885 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:31:04,945 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:31:04,946 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:31:04,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:04 BoogieIcfgContainer [2024-12-06 01:31:04,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:31:04,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:31:04,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:31:04,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:31:04,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:04" (1/1) ... [2024-12-06 01:31:04,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:31:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:31:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:31:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:31:04,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:04,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:04,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:05,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:31:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:05,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:06,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:31:06,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:06,207 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 01:31:06,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:31:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:31:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:31:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:31:06,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:06,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:06,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:06,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:06,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc86f554-0cd3-4869-a6f3-87ea2d4f7429/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:31:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:08,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:08,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:31:08,544 INFO L279 TraceCheckSpWp]: Computing forward predicates...