./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/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_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/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_d0bb2084-1210-4d2c-8458-d750b03c78bf/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 2246b22224e7d45f76a4712ded88256a5e87d92c66ef345f72a41167604dbb61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:12:16,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:12:16,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:12:16,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:12:16,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:12:16,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:12:16,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:12:16,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:12:16,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:12:16,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:12:16,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:12:16,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:12:16,991 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:12:16,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:12:16,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:12:16,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:12:16,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:16,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:12:16,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:12:16,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:12:16,991 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:12:16,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:12:16,992 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_d0bb2084-1210-4d2c-8458-d750b03c78bf/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 -> 2246b22224e7d45f76a4712ded88256a5e87d92c66ef345f72a41167604dbb61 [2024-12-05 23:12:17,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:12:17,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:12:17,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:12:17,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:12:17,207 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:12:17,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c [2024-12-05 23:12:19,851 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/c4b36fa69/27dc2e37ce754a7095a3d02d8eb69e5b/FLAG9c1301ec0 [2024-12-05 23:12:20,168 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:12:20,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c [2024-12-05 23:12:20,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/c4b36fa69/27dc2e37ce754a7095a3d02d8eb69e5b/FLAG9c1301ec0 [2024-12-05 23:12:20,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/c4b36fa69/27dc2e37ce754a7095a3d02d8eb69e5b [2024-12-05 23:12:20,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:12:20,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:12:20,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:20,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:12:20,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:12:20,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:20" (1/1) ... [2024-12-05 23:12:20,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295d0910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:20, skipping insertion in model container [2024-12-05 23:12:20,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:20" (1/1) ... [2024-12-05 23:12:20,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:12:20,443 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_d0bb2084-1210-4d2c-8458-d750b03c78bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c[1173,1186] [2024-12-05 23:12:20,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:20,910 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:12:20,919 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_d0bb2084-1210-4d2c-8458-d750b03c78bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c[1173,1186] [2024-12-05 23:12:21,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:21,250 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:12:21,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21 WrapperNode [2024-12-05 23:12:21,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:21,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:21,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:12:21,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:12:21,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:21,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:22,400 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14671 [2024-12-05 23:12:22,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:22,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:12:22,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:12:22,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:12:22,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:22,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:22,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:22,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:22,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:22,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:23,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:23,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:23,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:23,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:12:23,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:12:23,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:12:23,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:12:23,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:21" (1/1) ... [2024-12-05 23:12:23,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:12:23,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:12:23,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:12:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:12:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:12:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:12:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:12:23,987 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:12:23,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:12:45,336 INFO L? ?]: Removed 8271 outVars from TransFormulas that were not future-live. [2024-12-05 23:12:45,337 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:13:05,947 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:13:05,947 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:13:05,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:05 BoogieIcfgContainer [2024-12-05 23:13:05,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:13:05,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:13:05,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:13:05,955 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:13:05,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:13:05" (1/1) ... [2024-12-05 23:13:05,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:13:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:13:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:13:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:13:06,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:19,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:13:29,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:13:29,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:13:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:13:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:13:29,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:29,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:20:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:20:00,923 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:20:00,930 INFO L158 Benchmark]: Toolchain (without parser) took 460730.84ms. Allocated memory was 142.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 110.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 23:20:00,930 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:00,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1052.14ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 110.0MB in the beginning and 266.8MB in the end (delta: -156.8MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2024-12-05 23:20:00,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 1149.55ms. Allocated memory was 369.1MB in the beginning and 1.1GB in the end (delta: 738.2MB). Free memory was 266.8MB in the beginning and 780.4MB in the end (delta: -513.6MB). Peak memory consumption was 298.6MB. Max. memory is 16.1GB. [2024-12-05 23:20:00,932 INFO L158 Benchmark]: Boogie Preprocessor took 865.35ms. Allocated memory is still 1.1GB. Free memory was 780.4MB in the beginning and 667.6MB in the end (delta: 112.8MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2024-12-05 23:20:00,933 INFO L158 Benchmark]: RCFGBuilder took 42679.81ms. Allocated memory was 1.1GB in the beginning and 6.0GB in the end (delta: 4.8GB). Free memory was 667.6MB in the beginning and 4.2GB in the end (delta: -3.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-12-05 23:20:00,934 INFO L158 Benchmark]: CodeCheck took 414980.04ms. Allocated memory was 6.0GB in the beginning and 2.9GB in the end (delta: -3.0GB). Free memory was 4.2GB in the beginning and 1.6GB in the end (delta: 2.6GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:00,938 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 is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1052.14ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 110.0MB in the beginning and 266.8MB in the end (delta: -156.8MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1149.55ms. Allocated memory was 369.1MB in the beginning and 1.1GB in the end (delta: 738.2MB). Free memory was 266.8MB in the beginning and 780.4MB in the end (delta: -513.6MB). Peak memory consumption was 298.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 865.35ms. Allocated memory is still 1.1GB. Free memory was 780.4MB in the beginning and 667.6MB in the end (delta: 112.8MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. * RCFGBuilder took 42679.81ms. Allocated memory was 1.1GB in the beginning and 6.0GB in the end (delta: 4.8GB). Free memory was 667.6MB in the beginning and 4.2GB in the end (delta: -3.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * CodeCheck took 414980.04ms. Allocated memory was 6.0GB in the beginning and 2.9GB in the end (delta: -3.0GB). Free memory was 4.2GB in the beginning and 1.6GB in the end (delta: 2.6GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:20:01,152 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:20:01,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/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_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/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_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/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_d0bb2084-1210-4d2c-8458-d750b03c78bf/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 2246b22224e7d45f76a4712ded88256a5e87d92c66ef345f72a41167604dbb61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:20:03,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:20:03,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:20:03,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:20:03,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:20:03,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:20:03,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:20:03,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:20:03,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:20:03,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:20:03,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:20:03,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:20:03,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:20:03,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:03,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:03,173 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:20:03,173 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_d0bb2084-1210-4d2c-8458-d750b03c78bf/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 -> 2246b22224e7d45f76a4712ded88256a5e87d92c66ef345f72a41167604dbb61 [2024-12-05 23:20:03,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:20:03,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:20:03,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:20:03,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:20:03,405 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:20:03,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c [2024-12-05 23:20:06,013 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/9221829ea/ffd39008a8c44b1a8171909688eb0546/FLAG2c57aed1b [2024-12-05 23:20:06,372 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:06,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c [2024-12-05 23:20:06,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/9221829ea/ffd39008a8c44b1a8171909688eb0546/FLAG2c57aed1b [2024-12-05 23:20:06,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/data/9221829ea/ffd39008a8c44b1a8171909688eb0546 [2024-12-05 23:20:06,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:06,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:06,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:06,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:06,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:06,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:06" (1/1) ... [2024-12-05 23:20:06,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b68bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:06, skipping insertion in model container [2024-12-05 23:20:06,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:06" (1/1) ... [2024-12-05 23:20:06,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:06,827 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_d0bb2084-1210-4d2c-8458-d750b03c78bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c[1173,1186] [2024-12-05 23:20:07,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:07,202 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:07,212 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_d0bb2084-1210-4d2c-8458-d750b03c78bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-func-interl.c[1173,1186] [2024-12-05 23:20:07,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:07,430 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:07,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07 WrapperNode [2024-12-05 23:20:07,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:07,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:07,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:07,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:07,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,616 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4267 [2024-12-05 23:20:07,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:07,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:07,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:07,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:07,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,736 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:07,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:07,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:07,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:07,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:07" (1/1) ... [2024-12-05 23:20:07,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:07,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:07,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:07,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:20:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:08,443 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:08,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:12,748 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-12-05 23:20:12,749 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:12,874 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:20:12,875 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:20:12,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:12 BoogieIcfgContainer [2024-12-05 23:20:12,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:20:12,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:20:12,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:20:12,885 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:20:12,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:12" (1/1) ... [2024-12-05 23:20:12,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:20:12,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:20:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:20:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:20:12,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:12,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:12,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:12,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:20:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:13,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:14,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:20:14,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:14,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:20:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:20:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:20:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:20:14,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:14,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:14,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:14,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0bb2084-1210-4d2c-8458-d750b03c78bf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:20:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:16,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:16,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:20:16,635 INFO L279 TraceCheckSpWp]: Computing forward predicates...