./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9 --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 3c647f6863775d2469032dd5ed46849f62619864af6c165841f34d909d09f048 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:42:35,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:42:35,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:42:35,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:42:35,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:42:35,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:42:35,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:42:35,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:42:35,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:42:35,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:42:35,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:42:35,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:42:35,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:42:35,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:42:35,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:42:35,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:42:35,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:42:35,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:42:35,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:42:35,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:42:35,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:42:35,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:42:35,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:42:35,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:42:35,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:42:35,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:42:35,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:42:35,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:42:35,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:42:35,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:42:35,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c647f6863775d2469032dd5ed46849f62619864af6c165841f34d909d09f048 [2023-12-03 01:42:35,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:42:35,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:42:36,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:42:36,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:42:36,003 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:42:36,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c [2023-12-03 01:42:38,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:42:39,203 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:42:39,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c [2023-12-03 01:42:39,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data/210291eb5/953f72bc99054068b2330a0a44e40cea/FLAG732708f58 [2023-12-03 01:42:39,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data/210291eb5/953f72bc99054068b2330a0a44e40cea [2023-12-03 01:42:39,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:42:39,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:42:39,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:42:39,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:42:39,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:42:39,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:42:39" (1/1) ... [2023-12-03 01:42:39,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f59deee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:39, skipping insertion in model container [2023-12-03 01:42:39,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:42:39" (1/1) ... [2023-12-03 01:42:39,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:42:39,696 WARN L240 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_5cf445db-091a-4679-9672-afc9137ee8ab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c[1257,1270] [2023-12-03 01:42:40,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:42:40,541 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:42:40,553 WARN L240 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_5cf445db-091a-4679-9672-afc9137ee8ab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c[1257,1270] [2023-12-03 01:42:41,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:42:41,216 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:42:41,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41 WrapperNode [2023-12-03 01:42:41,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:42:41,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:42:41,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:42:41,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:42:41,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:41,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:42,649 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19723 [2023-12-03 01:42:42,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:42:42,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:42:42,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:42:42,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:42:42,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:42,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:42,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:42,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:43,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:43,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:43,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:43,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:43,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:42:43,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:42:43,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:42:43,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:42:43,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:42:41" (1/1) ... [2023-12-03 01:42:43,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:42:43,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:42:43,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:42:43,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:42:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:42:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:42:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:42:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:42:45,280 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:42:45,283 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:42:54,848 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:43:17,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:43:17,198 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:43:17,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:43:17 BoogieIcfgContainer [2023-12-03 01:43:17,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:43:17,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:43:17,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:43:17,208 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:43:17,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:43:17" (1/1) ... [2023-12-03 01:43:17,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:43:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:43:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:43:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:43:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:43:17,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:43:17,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:26,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:55:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:55:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:55:32,506 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:488) 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) [2023-12-03 01:55:32,510 INFO L158 Benchmark]: Toolchain (without parser) took 773249.80ms. Allocated memory was 178.3MB in the beginning and 8.5GB in the end (delta: 8.3GB). Free memory was 125.5MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-12-03 01:55:32,510 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:32,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1956.40ms. Allocated memory was 178.3MB in the beginning and 281.0MB in the end (delta: 102.8MB). Free memory was 125.5MB in the beginning and 133.5MB in the end (delta: -8.0MB). Peak memory consumption was 173.2MB. Max. memory is 16.1GB. [2023-12-03 01:55:32,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 1432.03ms. Allocated memory was 281.0MB in the beginning and 471.9MB in the end (delta: 190.8MB). Free memory was 133.5MB in the beginning and 124.7MB in the end (delta: 8.8MB). Peak memory consumption was 284.2MB. Max. memory is 16.1GB. [2023-12-03 01:55:32,513 INFO L158 Benchmark]: Boogie Preprocessor took 1240.24ms. Allocated memory was 471.9MB in the beginning and 981.5MB in the end (delta: 509.6MB). Free memory was 124.7MB in the beginning and 566.5MB in the end (delta: -441.9MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2023-12-03 01:55:32,514 INFO L158 Benchmark]: RCFGBuilder took 33308.55ms. Allocated memory was 981.5MB in the beginning and 7.2GB in the end (delta: 6.2GB). Free memory was 566.5MB in the beginning and 5.9GB in the end (delta: -5.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-03 01:55:32,515 INFO L158 Benchmark]: CodeCheck took 735307.95ms. Allocated memory was 7.2GB in the beginning and 8.5GB in the end (delta: 1.2GB). Free memory was 5.9GB in the beginning and 3.0GB in the end (delta: 2.9GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. [2023-12-03 01:55:32,519 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1956.40ms. Allocated memory was 178.3MB in the beginning and 281.0MB in the end (delta: 102.8MB). Free memory was 125.5MB in the beginning and 133.5MB in the end (delta: -8.0MB). Peak memory consumption was 173.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1432.03ms. Allocated memory was 281.0MB in the beginning and 471.9MB in the end (delta: 190.8MB). Free memory was 133.5MB in the beginning and 124.7MB in the end (delta: 8.8MB). Peak memory consumption was 284.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1240.24ms. Allocated memory was 471.9MB in the beginning and 981.5MB in the end (delta: 509.6MB). Free memory was 124.7MB in the beginning and 566.5MB in the end (delta: -441.9MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * RCFGBuilder took 33308.55ms. Allocated memory was 981.5MB in the beginning and 7.2GB in the end (delta: 6.2GB). Free memory was 566.5MB in the beginning and 5.9GB in the end (delta: -5.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * CodeCheck took 735307.95ms. Allocated memory was 7.2GB in the beginning and 8.5GB in the end (delta: 1.2GB). Free memory was 5.9GB in the beginning and 3.0GB in the end (delta: 2.9GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:55:32,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9 --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 3c647f6863775d2469032dd5ed46849f62619864af6c165841f34d909d09f048 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:55:34,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:55:34,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:55:34,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:55:34,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:55:34,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:55:34,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:55:34,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:55:34,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:55:34,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:55:34,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:55:34,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:55:34,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:55:34,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:55:34,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:55:34,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:55:34,931 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:55:34,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:55:34,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:55:34,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:55:34,933 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:55:34,934 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:55:34,934 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:34,934 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:55:34,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:55:34,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:55:34,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:55:34,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:55:34,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:55:34,937 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:55:34,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:34,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:55:34,938 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:55:34,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:55:34,939 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c647f6863775d2469032dd5ed46849f62619864af6c165841f34d909d09f048 [2023-12-03 01:55:35,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:55:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:55:35,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:55:35,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:55:35,255 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:55:35,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c [2023-12-03 01:55:37,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:55:38,420 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:55:38,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c [2023-12-03 01:55:38,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data/cc63b92d7/7723f17622014399971c26918868b805/FLAG374b7265b [2023-12-03 01:55:38,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/data/cc63b92d7/7723f17622014399971c26918868b805 [2023-12-03 01:55:38,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:55:38,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:55:38,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:55:38,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:55:38,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:55:38,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:38" (1/1) ... [2023-12-03 01:55:38,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587fce14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:38, skipping insertion in model container [2023-12-03 01:55:38,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:38" (1/1) ... [2023-12-03 01:55:38,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:55:38,889 WARN L240 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_5cf445db-091a-4679-9672-afc9137ee8ab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c[1257,1270] [2023-12-03 01:55:39,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:39,662 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:55:39,674 WARN L240 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_5cf445db-091a-4679-9672-afc9137ee8ab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_field5.c[1257,1270] [2023-12-03 01:55:40,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:40,251 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:55:40,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40 WrapperNode [2023-12-03 01:55:40,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:55:40,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:55:40,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:55:40,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:55:40,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,689 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10101 [2023-12-03 01:55:40,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:55:40,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:55:40,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:55:40,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:55:40,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:40,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:41,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:55:41,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:55:41,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:55:41,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:55:41,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:40" (1/1) ... [2023-12-03 01:55:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:55:41,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:55:41,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:55:41,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:55:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:55:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:55:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:55:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:55:42,404 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:55:42,406 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:56:01,312 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:56:01,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:56:01,708 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:56:01,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:56:01 BoogieIcfgContainer [2023-12-03 01:56:01,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:56:01,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:56:01,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:56:01,720 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:56:01,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:56:01" (1/1) ... [2023-12-03 01:56:01,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:56:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:56:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:56:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:56:01,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:01,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:01,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf445db-091a-4679-9672-afc9137ee8ab/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:56:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:05,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:07,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 591 conjunts are in the unsatisfiable core [2023-12-03 01:56:07,164 INFO L285 TraceCheckSpWp]: Computing forward predicates...