./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3 --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 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:05:30,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:05:30,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:05:30,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:05:30,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:05:30,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:05:30,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:05:30,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:05:30,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:05:30,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:05:30,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:05:30,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:05:30,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:05:30,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:05:30,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:05:30,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:30,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:05:30,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:05:30,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:05:30,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:05:30,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:05:30,441 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3 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 -> 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 [2024-11-25 05:05:30,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:05:30,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:05:30,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:05:30,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:05:30,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:05:30,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c [2024-11-25 05:05:33,772 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/5be7b70be/df6bc31e593049e88c4c79ceb2d5ecf6/FLAGc79d3174a [2024-11-25 05:05:34,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:05:34,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c [2024-11-25 05:05:34,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/5be7b70be/df6bc31e593049e88c4c79ceb2d5ecf6/FLAGc79d3174a [2024-11-25 05:05:34,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/5be7b70be/df6bc31e593049e88c4c79ceb2d5ecf6 [2024-11-25 05:05:34,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:05:34,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:05:34,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:34,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:05:34,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:05:34,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:34" (1/1) ... [2024-11-25 05:05:34,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e86af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:34, skipping insertion in model container [2024-11-25 05:05:34,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:34" (1/1) ... [2024-11-25 05:05:34,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:05:34,545 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-25 05:05:35,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:35,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:05:35,112 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-25 05:05:35,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:35,467 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:05:35,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35 WrapperNode [2024-11-25 05:05:35,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:35,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:35,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:05:35,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:05:35,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:35,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,287 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3751 [2024-11-25 05:05:36,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:36,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:05:36,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:05:36,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:05:36,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,645 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:36,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:05:36,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:05:36,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:05:36,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:05:36,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:35" (1/1) ... [2024-11-25 05:05:37,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:37,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:05:37,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:05:37,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:05:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:05:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:05:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:05:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:05:37,637 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:05:37,639 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:05:43,514 INFO L? ?]: Removed 2092 outVars from TransFormulas that were not future-live. [2024-11-25 05:05:43,514 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:05:49,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:05:49,885 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:05:49,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:49 BoogieIcfgContainer [2024-11-25 05:05:49,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:05:49,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:05:49,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:05:49,909 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:05:49,910 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:49" (1/1) ... [2024-11-25 05:05:49,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:05:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:05:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:05:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:05:50,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:50,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:06:07,073 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:06:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:06:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:06:37,218 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) [2024-11-25 05:06:37,223 INFO L158 Benchmark]: Toolchain (without parser) took 62974.18ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 90.5MB in the beginning and 253.7MB in the end (delta: -163.2MB). Peak memory consumption was 428.7MB. Max. memory is 16.1GB. [2024-11-25 05:06:37,226 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:37,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1219.02ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 73.0MB in the end (delta: 17.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-11-25 05:06:37,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 818.64ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 72.8MB in the beginning and 152.5MB in the end (delta: -79.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-11-25 05:06:37,228 INFO L158 Benchmark]: Boogie Preprocessor took 703.50ms. Allocated memory is still 260.0MB. Free memory was 152.5MB in the beginning and 143.9MB in the end (delta: 8.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:06:37,228 INFO L158 Benchmark]: RCFGBuilder took 12891.40ms. Allocated memory was 260.0MB in the beginning and 855.6MB in the end (delta: 595.6MB). Free memory was 143.6MB in the beginning and 630.2MB in the end (delta: -486.6MB). Peak memory consumption was 604.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:37,229 INFO L158 Benchmark]: CodeCheck took 47334.72ms. Allocated memory was 855.6MB in the beginning and 704.6MB in the end (delta: -151.0MB). Free memory was 630.2MB in the beginning and 253.7MB in the end (delta: 376.4MB). Peak memory consumption was 228.0MB. Max. memory is 16.1GB. [2024-11-25 05:06:37,234 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1219.02ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 73.0MB in the end (delta: 17.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 818.64ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 72.8MB in the beginning and 152.5MB in the end (delta: -79.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 703.50ms. Allocated memory is still 260.0MB. Free memory was 152.5MB in the beginning and 143.9MB in the end (delta: 8.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12891.40ms. Allocated memory was 260.0MB in the beginning and 855.6MB in the end (delta: 595.6MB). Free memory was 143.6MB in the beginning and 630.2MB in the end (delta: -486.6MB). Peak memory consumption was 604.8MB. Max. memory is 16.1GB. * CodeCheck took 47334.72ms. Allocated memory was 855.6MB in the beginning and 704.6MB in the end (delta: -151.0MB). Free memory was 630.2MB in the beginning and 253.7MB in the end (delta: 376.4MB). Peak memory consumption was 228.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:06:37,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3 --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 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:06:40,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:06:40,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:06:40,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:06:40,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:06:40,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:06:40,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:06:40,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:06:40,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:06:40,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:06:40,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:06:40,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:06:40,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:06:40,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:06:40,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:40,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:06:40,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:06:40,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:06:40,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:40,582 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:06:40,582 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3 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 -> 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 [2024-11-25 05:06:40,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:06:40,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:06:40,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:06:40,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:06:40,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:06:40,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c [2024-11-25 05:06:44,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/f8736cc32/b6fb140b4b284e87a3120591ea32c304/FLAG1ca983ea9 [2024-11-25 05:06:44,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:06:44,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c [2024-11-25 05:06:44,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/f8736cc32/b6fb140b4b284e87a3120591ea32c304/FLAG1ca983ea9 [2024-11-25 05:06:44,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/data/f8736cc32/b6fb140b4b284e87a3120591ea32c304 [2024-11-25 05:06:44,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:06:44,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:06:44,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:44,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:06:44,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:06:44,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ddccaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44, skipping insertion in model container [2024-11-25 05:06:44,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:45,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:06:45,267 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-25 05:06:45,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:45,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:06:45,810 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_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-25 05:06:45,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:46,019 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:06:46,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46 WrapperNode [2024-11-25 05:06:46,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:46,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:46,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:06:46,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:06:46,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,215 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1545 [2024-11-25 05:06:46,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:46,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:06:46,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:06:46,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:06:46,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,296 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:06:46,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:06:46,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:06:46,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:06:46,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:46" (1/1) ... [2024-11-25 05:06:46,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:46,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:06:46,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:06:46,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:06:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:06:46,913 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:06:46,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:06:49,821 INFO L? ?]: Removed 955 outVars from TransFormulas that were not future-live. [2024-11-25 05:06:49,821 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:06:49,901 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:06:49,901 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:06:49,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:49 BoogieIcfgContainer [2024-11-25 05:06:49,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:06:49,902 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:06:49,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:06:49,914 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:06:49,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:49" (1/1) ... [2024-11-25 05:06:49,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:06:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:06:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:06:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:06:49,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:49,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:49,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:49,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:06:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:51,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:52,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:06:52,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:06:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:52,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:06:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:06:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:06:54,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:06:54,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:54,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:54,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:54,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:54,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:06:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:58,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:59,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 249 conjuncts are in the unsatisfiable core [2024-11-25 05:06:59,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:07:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:06,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:07:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-25 05:07:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-25 05:07:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:07:09,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:09,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:09,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3341ab5b-dd6c-4aab-ae8d-be959e3566ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:07:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:23,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:07:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:26,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 379 conjuncts are in the unsatisfiable core [2024-11-25 05:07:26,259 INFO L279 TraceCheckSpWp]: Computing forward predicates...