./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-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_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/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_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/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_823d46ba-f8c8-4715-83d2-18843adf8ad7/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 de7d38b3db0dbe4396685d6c3f7b34db05469957f1519a0f4a6fb88fb4b2d4ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:09:18,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:09:18,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:09:18,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:09:18,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:09:18,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:09:18,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:09:18,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:09:18,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:09:18,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:09:18,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:09:18,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:09:18,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:09:18,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:09:18,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:09:18,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:09:18,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:09:18,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:09:18,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:18,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:09:18,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:09:18,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:09:18,835 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:09:18,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:09:18,835 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_823d46ba-f8c8-4715-83d2-18843adf8ad7/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 -> de7d38b3db0dbe4396685d6c3f7b34db05469957f1519a0f4a6fb88fb4b2d4ca [2024-12-06 00:09:19,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:09:19,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:09:19,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:09:19,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:09:19,055 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:09:19,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c [2024-12-06 00:09:21,710 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/505b95e08/7ed82140264946d4ac809c2901b60c59/FLAG1497e0d79 [2024-12-06 00:09:22,063 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:22,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c [2024-12-06 00:09:22,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/505b95e08/7ed82140264946d4ac809c2901b60c59/FLAG1497e0d79 [2024-12-06 00:09:22,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/505b95e08/7ed82140264946d4ac809c2901b60c59 [2024-12-06 00:09:22,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:22,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:22,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:22,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:22,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:22,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:22" (1/1) ... [2024-12-06 00:09:22,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c3f990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:22, skipping insertion in model container [2024-12-06 00:09:22,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:22" (1/1) ... [2024-12-06 00:09:22,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:22,536 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_823d46ba-f8c8-4715-83d2-18843adf8ad7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c[1171,1184] [2024-12-06 00:09:22,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:22,944 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:22,954 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_823d46ba-f8c8-4715-83d2-18843adf8ad7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c[1171,1184] [2024-12-06 00:09:23,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:23,187 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:23,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23 WrapperNode [2024-12-06 00:09:23,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:23,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:23,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:23,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:23,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:23,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,132 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12369 [2024-12-06 00:09:24,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:24,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:24,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:24,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:24,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:24,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:25,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:25,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:25,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:25,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:25,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:23" (1/1) ... [2024-12-06 00:09:25,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:25,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:25,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:25,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:09:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:25,697 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:25,699 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:44,082 INFO L? ?]: Removed 7031 outVars from TransFormulas that were not future-live. [2024-12-06 00:09:44,082 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:10:02,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:10:02,267 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:10:02,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:10:02 BoogieIcfgContainer [2024-12-06 00:10:02,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:10:02,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:10:02,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:10:02,277 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:10:02,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:10:02" (1/1) ... [2024-12-06 00:10:02,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:10:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:10:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:10:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:10:02,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:02,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:10:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:10:15,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:10:25,161 WARN L539 Checker$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 00:10:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:10:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:10:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:10:25,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:15:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:15:05,681 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:15:05,688 INFO L158 Benchmark]: Toolchain (without parser) took 343376.18ms. Allocated memory was 142.6MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 111.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 00:15:05,688 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:05,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.13ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.3MB in the beginning and 56.3MB in the end (delta: 54.9MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 944.39ms. Allocated memory was 151.0MB in the beginning and 813.7MB in the end (delta: 662.7MB). Free memory was 56.3MB in the beginning and 513.8MB in the end (delta: -457.5MB). Peak memory consumption was 244.1MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,690 INFO L158 Benchmark]: Boogie Preprocessor took 884.15ms. Allocated memory is still 813.7MB. Free memory was 513.8MB in the beginning and 418.7MB in the end (delta: 95.1MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,691 INFO L158 Benchmark]: RCFGBuilder took 37249.43ms. Allocated memory was 813.7MB in the beginning and 1.7GB in the end (delta: 838.9MB). Free memory was 418.7MB in the beginning and 715.1MB in the end (delta: -296.4MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 00:15:05,692 INFO L158 Benchmark]: CodeCheck took 303418.03ms. Allocated memory was 1.7GB in the beginning and 4.0GB in the end (delta: 2.3GB). Free memory was 715.1MB in the beginning and 2.8GB in the end (delta: -2.1GB). Peak memory consumption was 229.1MB. Max. memory is 16.1GB. [2024-12-06 00:15:05,696 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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.13ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.3MB in the beginning and 56.3MB in the end (delta: 54.9MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 944.39ms. Allocated memory was 151.0MB in the beginning and 813.7MB in the end (delta: 662.7MB). Free memory was 56.3MB in the beginning and 513.8MB in the end (delta: -457.5MB). Peak memory consumption was 244.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 884.15ms. Allocated memory is still 813.7MB. Free memory was 513.8MB in the beginning and 418.7MB in the end (delta: 95.1MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * RCFGBuilder took 37249.43ms. Allocated memory was 813.7MB in the beginning and 1.7GB in the end (delta: 838.9MB). Free memory was 418.7MB in the beginning and 715.1MB in the end (delta: -296.4MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 303418.03ms. Allocated memory was 1.7GB in the beginning and 4.0GB in the end (delta: 2.3GB). Free memory was 715.1MB in the beginning and 2.8GB in the end (delta: -2.1GB). Peak memory consumption was 229.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:15:05,910 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:15:05,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/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_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/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_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/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_823d46ba-f8c8-4715-83d2-18843adf8ad7/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 de7d38b3db0dbe4396685d6c3f7b34db05469957f1519a0f4a6fb88fb4b2d4ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:15:07,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:15:08,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:15:08,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:15:08,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:15:08,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:15:08,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:15:08,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:15:08,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:15:08,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:15:08,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:15:08,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:08,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:15:08,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:15:08,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:15:08,047 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:15:08,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:08,047 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:15:08,047 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_823d46ba-f8c8-4715-83d2-18843adf8ad7/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 -> de7d38b3db0dbe4396685d6c3f7b34db05469957f1519a0f4a6fb88fb4b2d4ca [2024-12-06 00:15:08,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:15:08,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:15:08,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:15:08,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:15:08,301 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:15:08,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c [2024-12-06 00:15:11,006 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/3bd19d4be/65cd5d899954438cb18d95d670175988/FLAG4393b261c [2024-12-06 00:15:11,328 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:15:11,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c [2024-12-06 00:15:11,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/3bd19d4be/65cd5d899954438cb18d95d670175988/FLAG4393b261c [2024-12-06 00:15:11,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/data/3bd19d4be/65cd5d899954438cb18d95d670175988 [2024-12-06 00:15:11,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:15:11,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:15:11,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:11,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:15:11,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:15:11,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:11" (1/1) ... [2024-12-06 00:15:11,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3774f22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:11, skipping insertion in model container [2024-12-06 00:15:11,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:11" (1/1) ... [2024-12-06 00:15:11,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:15:11,816 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_823d46ba-f8c8-4715-83d2-18843adf8ad7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c[1171,1184] [2024-12-06 00:15:12,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:12,138 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:15:12,146 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_823d46ba-f8c8-4715-83d2-18843adf8ad7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-func-interl.c[1171,1184] [2024-12-06 00:15:12,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:12,338 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:15:12,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12 WrapperNode [2024-12-06 00:15:12,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:12,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:12,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:15:12,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:15:12,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,492 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3641 [2024-12-06 00:15:12,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:12,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:15:12,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:15:12,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:15:12,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,577 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:15:12,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:15:12,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:15:12,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:15:12,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:12,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:15:12,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:15:12,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:15:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:15:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:15:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:15:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:15:13,225 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:15:13,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:15:16,697 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-12-06 00:15:16,697 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:16,794 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:16,794 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:15:16,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:16 BoogieIcfgContainer [2024-12-06 00:15:16,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:16,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:16,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:16,803 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:16,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:16" (1/1) ... [2024-12-06 00:15:16,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:15:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:15:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:15:16,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:16,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:16,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:16,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:16,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:15:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:17,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:17,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:15:18,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:18,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:15:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:15:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:15:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:15:18,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:18,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:18,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:18,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:18,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823d46ba-f8c8-4715-83d2-18843adf8ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:15:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:19,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:20,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:20,427 INFO L279 TraceCheckSpWp]: Computing forward predicates...