./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:33:09,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:33:09,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:33:09,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:33:09,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:33:09,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:33:09,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:33:09,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:33:09,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:33:09,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:33:09,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:33:09,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:33:09,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:33:09,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:33:09,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:33:09,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:33:09,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:33:09,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:33:09,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:33:09,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:33:09,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:33:09,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:33:09,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:33:09,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:33:09,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:33:09,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:33:09,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:33:09,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:33:09,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:33:09,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:33:09,457 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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 [2023-12-02 22:33:09,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:33:09,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:33:09,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:33:09,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:33:09,675 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:33:09,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2023-12-02 22:33:12,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:33:12,692 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:33:12,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2023-12-02 22:33:12,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data/1f28d85c3/0788716487c7449fa23af46d0020c982/FLAGff08fac13 [2023-12-02 22:33:12,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data/1f28d85c3/0788716487c7449fa23af46d0020c982 [2023-12-02 22:33:12,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:33:12,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:33:12,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:33:12,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:33:12,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:33:12,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:33:12" (1/1) ... [2023-12-02 22:33:12,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0a17e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:12, skipping insertion in model container [2023-12-02 22:33:12,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:33:12" (1/1) ... [2023-12-02 22:33:12,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:33:12,973 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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2023-12-02 22:33:13,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:33:13,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:33:13,316 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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2023-12-02 22:33:13,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:33:13,488 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:33:13,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13 WrapperNode [2023-12-02 22:33:13,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:33:13,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:33:13,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:33:13,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:33:13,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:13,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,026 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4148 [2023-12-02 22:33:14,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:33:14,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:33:14,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:33:14,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:33:14,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:33:14,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:33:14,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:33:14,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:33:14,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:33:13" (1/1) ... [2023-12-02 22:33:14,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:33:14,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:33:14,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:33:14,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:33:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:33:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:33:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:33:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:33:15,037 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:33:15,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:33:18,414 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:33:23,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:33:23,957 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:33:23,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:33:23 BoogieIcfgContainer [2023-12-02 22:33:23,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:33:23,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:33:23,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:33:23,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:33:23,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:33:23" (1/1) ... [2023-12-02 22:33:23,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:33:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:33:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:33:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:33:24,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:33:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:33:52,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:34:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:34:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:34:25,897 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) [2023-12-02 22:34:25,900 INFO L158 Benchmark]: Toolchain (without parser) took 73170.51ms. Allocated memory was 192.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 153.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-12-02 22:34:25,900 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:34:25,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.09ms. Allocated memory is still 192.9MB. Free memory was 153.9MB in the beginning and 90.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 22:34:25,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 537.47ms. Allocated memory is still 192.9MB. Free memory was 90.9MB in the beginning and 108.5MB in the end (delta: -17.6MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2023-12-02 22:34:25,902 INFO L158 Benchmark]: Boogie Preprocessor took 526.92ms. Allocated memory was 192.9MB in the beginning and 333.4MB in the end (delta: 140.5MB). Free memory was 108.5MB in the beginning and 222.6MB in the end (delta: -114.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-12-02 22:34:25,903 INFO L158 Benchmark]: RCFGBuilder took 9403.52ms. Allocated memory was 333.4MB in the beginning and 1.1GB in the end (delta: 734.0MB). Free memory was 222.6MB in the beginning and 832.4MB in the end (delta: -609.8MB). Peak memory consumption was 437.7MB. Max. memory is 16.1GB. [2023-12-02 22:34:25,904 INFO L158 Benchmark]: CodeCheck took 61939.39ms. Allocated memory was 1.1GB in the beginning and 2.5GB in the end (delta: 1.4GB). Free memory was 832.4MB in the beginning and 1.5GB in the end (delta: -632.1MB). Peak memory consumption was 812.8MB. Max. memory is 16.1GB. [2023-12-02 22:34:25,907 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 0.15ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.09ms. Allocated memory is still 192.9MB. Free memory was 153.9MB in the beginning and 90.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 537.47ms. Allocated memory is still 192.9MB. Free memory was 90.9MB in the beginning and 108.5MB in the end (delta: -17.6MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 526.92ms. Allocated memory was 192.9MB in the beginning and 333.4MB in the end (delta: 140.5MB). Free memory was 108.5MB in the beginning and 222.6MB in the end (delta: -114.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9403.52ms. Allocated memory was 333.4MB in the beginning and 1.1GB in the end (delta: 734.0MB). Free memory was 222.6MB in the beginning and 832.4MB in the end (delta: -609.8MB). Peak memory consumption was 437.7MB. Max. memory is 16.1GB. * CodeCheck took 61939.39ms. Allocated memory was 1.1GB in the beginning and 2.5GB in the end (delta: 1.4GB). Free memory was 832.4MB in the beginning and 1.5GB in the end (delta: -632.1MB). Peak memory consumption was 812.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:34:25,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:34:27,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:34:28,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:34:28,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:34:28,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:34:28,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:34:28,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:34:28,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:34:28,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:34:28,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:34:28,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:34:28,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:34:28,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:34:28,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:34:28,049 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:34:28,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:34:28,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:34:28,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:34:28,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:34:28,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:34:28,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:34:28,056 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:34:28,057 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:28,057 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:34:28,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:34:28,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:34:28,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:34:28,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:34:28,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:34:28,060 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:34:28,060 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:28,061 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:34:28,061 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:34:28,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:34:28,061 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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35e41100eac4151f900ff6bd781c82e1d1b295799564c0d21c287769e6286f74 [2023-12-02 22:34:28,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:34:28,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:34:28,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:34:28,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:34:28,369 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:34:28,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2023-12-02 22:34:31,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:34:31,529 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:34:31,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c [2023-12-02 22:34:31,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data/a84c08b58/9f37221d44054fdfb7fac47c284343e7/FLAGe70fc7130 [2023-12-02 22:34:31,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/data/a84c08b58/9f37221d44054fdfb7fac47c284343e7 [2023-12-02 22:34:31,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:34:31,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:34:31,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:34:31,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:34:31,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:34:31,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:34:31" (1/1) ... [2023-12-02 22:34:31,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b598ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:31, skipping insertion in model container [2023-12-02 22:34:31,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:34:31" (1/1) ... [2023-12-02 22:34:31,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:34:31,839 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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2023-12-02 22:34:32,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:34:32,100 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:34:32,109 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_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal14.c[1245,1258] [2023-12-02 22:34:32,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:34:32,226 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:34:32,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32 WrapperNode [2023-12-02 22:34:32,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:34:32,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:34:32,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:34:32,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:34:32,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,359 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1476 [2023-12-02 22:34:32,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:34:32,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:34:32,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:34:32,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:34:32,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:34:32,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:34:32,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:34:32,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:34:32,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:34:32" (1/1) ... [2023-12-02 22:34:32,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:34:32,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:34:32,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:34:32,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:34:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:34:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:34:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:34:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:34:32,828 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:34:32,830 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:34:34,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:34:35,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:34:35,037 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:34:35,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:34:35 BoogieIcfgContainer [2023-12-02 22:34:35,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:34:35,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:34:35,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:34:35,050 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:34:35,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:34:35" (1/1) ... [2023-12-02 22:34:35,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:34:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:35,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:34:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:34:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:34:35,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:35,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:35,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:35,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:34:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:36,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:36,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:34:36,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:36,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:34:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:34:37,470 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:34:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:34:37,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:37,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:37,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:37,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:37,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:34:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:39,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:39,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 1940 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-02 22:34:39,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:34:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:41,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:34:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:34:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 22:34:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 22:34:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:34:43,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:34:43,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:34:43,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:34:43,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:34:43,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:34:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:50,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:34:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:34:52,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 3063 conjuncts, 488 conjunts are in the unsatisfiable core [2023-12-02 22:34:52,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:35:42,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:35:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-12-02 22:35:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-12-02 22:35:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:35:49,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:49,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:49,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:49,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:36:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:41,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:36:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:43,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 4186 conjuncts, 566 conjunts are in the unsatisfiable core [2023-12-02 22:36:43,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:37:17,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:37:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2023-12-02 22:37:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2023-12-02 22:37:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:37:41,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:41,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:37:41,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:37:41,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:37:41,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec4bdfd-33fd-41b8-b3da-bb1125b77ea0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:43:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:26,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:35,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 5309 conjuncts, 1069 conjunts are in the unsatisfiable core [2023-12-02 22:43:35,793 INFO L285 TraceCheckSpWp]: Computing forward predicates...