./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.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_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/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_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/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_de747cc7-983c-4ab6-b092-23dea0e58575/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 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:21:06,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:21:06,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:21:06,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:21:06,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:21:06,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:21:06,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:21:06,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:21:06,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:21:06,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:21:06,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:21:06,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:21:06,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:21:06,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:21:06,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:21:06,555 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:21:06,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:21:06,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:21:06,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:21:06,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:21:06,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:21:06,556 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:21:06,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:21:06,556 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_de747cc7-983c-4ab6-b092-23dea0e58575/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 -> 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 [2024-12-06 04:21:06,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:21:06,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:21:06,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:21:06,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:21:06,805 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:21:06,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-12-06 04:21:09,438 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/6e418de4e/c4cfb794a7154f80b940799b1b7693f9/FLAG605f4b88b [2024-12-06 04:21:09,701 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:21:09,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-12-06 04:21:09,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/6e418de4e/c4cfb794a7154f80b940799b1b7693f9/FLAG605f4b88b [2024-12-06 04:21:09,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/6e418de4e/c4cfb794a7154f80b940799b1b7693f9 [2024-12-06 04:21:09,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:21:09,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:21:09,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:21:09,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:21:09,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:21:09,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:21:09" (1/1) ... [2024-12-06 04:21:09,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156ccf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:09, skipping insertion in model container [2024-12-06 04:21:09,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:21:09" (1/1) ... [2024-12-06 04:21:10,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:21:10,162 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_de747cc7-983c-4ab6-b092-23dea0e58575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-12-06 04:21:10,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:21:10,355 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:21:10,363 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_de747cc7-983c-4ab6-b092-23dea0e58575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-12-06 04:21:10,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:21:10,475 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:21:10,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10 WrapperNode [2024-12-06 04:21:10,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:21:10,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:21:10,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:21:10,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:21:10,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,646 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2365 [2024-12-06 04:21:10,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:21:10,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:21:10,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:21:10,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:21:10,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:21:10,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:21:10,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:21:10,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:21:10,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:10" (1/1) ... [2024-12-06 04:21:10,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:21:10,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:21:10,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:21:10,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:21:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:21:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:21:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:21:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:21:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:21:10,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:21:11,035 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:21:11,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:21:13,734 INFO L? ?]: Removed 1210 outVars from TransFormulas that were not future-live. [2024-12-06 04:21:13,735 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:21:17,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:21:17,104 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:21:17,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:17 BoogieIcfgContainer [2024-12-06 04:21:17,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:21:17,105 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:21:17,105 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:21:17,114 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:21:17,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:17" (1/1) ... [2024-12-06 04:21:17,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:21:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 04:21:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 04:21:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:21:17,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:17,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:21:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:21:22,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:21:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:21:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:21:36,038 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:21:36,043 INFO L158 Benchmark]: Toolchain (without parser) took 26052.46ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 117.9MB in the beginning and 831.0MB in the end (delta: -713.1MB). Peak memory consumption was 372.3MB. Max. memory is 16.1GB. [2024-12-06 04:21:36,043 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:21:36,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.64ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 78.7MB in the end (delta: 39.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:21:36,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.01ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 84.2MB in the end (delta: -5.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-06 04:21:36,045 INFO L158 Benchmark]: Boogie Preprocessor took 130.56ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 69.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:21:36,045 INFO L158 Benchmark]: RCFGBuilder took 6325.97ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 69.3MB in the beginning and 302.3MB in the end (delta: -233.0MB). Peak memory consumption was 325.4MB. Max. memory is 16.1GB. [2024-12-06 04:21:36,046 INFO L158 Benchmark]: CodeCheck took 18936.71ms. Allocated memory was 536.9MB in the beginning and 1.2GB in the end (delta: 687.9MB). Free memory was 302.3MB in the beginning and 831.0MB in the end (delta: -528.7MB). Peak memory consumption was 167.4MB. Max. memory is 16.1GB. [2024-12-06 04:21:36,048 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.64ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 78.7MB in the end (delta: 39.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.01ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 84.2MB in the end (delta: -5.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.56ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 69.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6325.97ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 69.3MB in the beginning and 302.3MB in the end (delta: -233.0MB). Peak memory consumption was 325.4MB. Max. memory is 16.1GB. * CodeCheck took 18936.71ms. Allocated memory was 536.9MB in the beginning and 1.2GB in the end (delta: 687.9MB). Free memory was 302.3MB in the beginning and 831.0MB in the end (delta: -528.7MB). Peak memory consumption was 167.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:21:36,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/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_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/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_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/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_de747cc7-983c-4ab6-b092-23dea0e58575/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 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:21:37,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:21:38,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:21:38,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:21:38,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:21:38,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:21:38,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:21:38,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:21:38,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:21:38,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:21:38,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:21:38,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:21:38,094 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:21:38,094 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:38,094 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:21:38,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:21:38,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:21:38,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:21:38,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:21:38,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:21:38,095 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:21:38,095 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:38,095 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:21:38,095 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_de747cc7-983c-4ab6-b092-23dea0e58575/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 -> 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 [2024-12-06 04:21:38,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:21:38,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:21:38,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:21:38,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:21:38,353 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:21:38,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-12-06 04:21:41,030 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/d1f3adaa5/eca4fb610193437ca68ec38a2347e881/FLAG7f1335c50 [2024-12-06 04:21:41,274 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:21:41,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-12-06 04:21:41,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/d1f3adaa5/eca4fb610193437ca68ec38a2347e881/FLAG7f1335c50 [2024-12-06 04:21:41,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/data/d1f3adaa5/eca4fb610193437ca68ec38a2347e881 [2024-12-06 04:21:41,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:21:41,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:21:41,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:21:41,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:21:41,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:21:41,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:21:41" (1/1) ... [2024-12-06 04:21:41,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a314916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:41, skipping insertion in model container [2024-12-06 04:21:41,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:21:41" (1/1) ... [2024-12-06 04:21:41,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:21:41,730 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_de747cc7-983c-4ab6-b092-23dea0e58575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-12-06 04:21:41,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:21:41,932 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:21:41,942 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_de747cc7-983c-4ab6-b092-23dea0e58575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-12-06 04:21:42,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:21:42,045 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:21:42,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42 WrapperNode [2024-12-06 04:21:42,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:21:42,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:21:42,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:21:42,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:21:42,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,109 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 761 [2024-12-06 04:21:42,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:21:42,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:21:42,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:21:42,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:21:42,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:21:42,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:21:42,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:21:42,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:21:42,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:42" (1/1) ... [2024-12-06 04:21:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:21:42,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:21:42,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:21:42,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:21:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:21:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:21:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:21:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:21:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:21:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:21:42,396 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:21:42,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:21:43,374 INFO L? ?]: Removed 344 outVars from TransFormulas that were not future-live. [2024-12-06 04:21:43,375 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:21:43,446 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:21:43,446 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:21:43,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:43 BoogieIcfgContainer [2024-12-06 04:21:43,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:21:43,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:21:43,447 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:21:43,457 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:21:43,457 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:43" (1/1) ... [2024-12-06 04:21:43,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:21:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 04:21:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 04:21:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:21:43,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:43,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:43,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:43,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:43,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:21:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:44,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:44,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 04:21:44,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:21:44,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 04:21:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 04:21:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 04:21:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:21:45,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:45,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:45,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:21:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:46,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:46,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 04:21:46,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:21:47,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:21:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 04:21:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 04:21:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:21:52,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:52,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:52,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:52,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:21:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:53,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:54,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 04:21:54,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 04:21:55,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:22:03,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 57 transitions. [2024-12-06 04:22:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-06 04:22:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 04:22:03,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:03,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:03,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:03,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:03,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:22:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:05,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:05,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 04:22:05,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 04:22:09,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:22:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 96 transitions. [2024-12-06 04:22:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-12-06 04:22:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 04:22:29,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:29,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:29,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:29,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:29,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:22:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:30,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:31,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 04:22:31,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 04:22:35,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:22:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 114 transitions. [2024-12-06 04:22:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-12-06 04:22:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 04:22:48,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:48,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:48,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:48,285 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:48,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:22:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:50,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:51,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 04:22:51,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 04:22:57,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:23:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 132 transitions. [2024-12-06 04:23:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2024-12-06 04:23:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 04:23:13,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:13,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:13,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:13,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de747cc7-983c-4ab6-b092-23dea0e58575/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:24:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:47,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:55,462 WARN L254 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 1177 conjuncts are in the unsatisfiable core [2024-12-06 04:24:55,547 INFO L279 TraceCheckSpWp]: Computing forward predicates...