./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.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_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/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_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/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_e893d4cb-0ecd-453f-a421-2232612ad530/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 bfc5a32bd8f9b64e8c270ef1cbf09917d231a6a3d722a8ea774ee8fbc0d6c6f5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:10:45,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:10:45,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:10:45,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:10:45,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:10:45,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:10:45,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:10:45,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:10:45,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:10:45,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:10:45,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:10:45,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:10:45,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:10:45,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:10:45,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:10:45,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:10:45,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:10:45,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:10:45,750 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:10:45,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:10:45,751 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:10:45,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:10:45,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:10:45,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:45,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:10:45,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:10:45,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:10:45,755 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:10:45,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:10:45,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:10:45,757 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_e893d4cb-0ecd-453f-a421-2232612ad530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc5a32bd8f9b64e8c270ef1cbf09917d231a6a3d722a8ea774ee8fbc0d6c6f5 [2023-12-02 23:10:46,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:10:46,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:10:46,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:10:46,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:10:46,070 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:10:46,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c [2023-12-02 23:10:48,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:10:49,525 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:10:49,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c [2023-12-02 23:10:49,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data/6cd66dadd/3521a8fc7c274980a83455ab004d101a/FLAGd103324aa [2023-12-02 23:10:49,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data/6cd66dadd/3521a8fc7c274980a83455ab004d101a [2023-12-02 23:10:49,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:10:49,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:10:49,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:49,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:10:49,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:10:49,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:49" (1/1) ... [2023-12-02 23:10:49,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622b5138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:49, skipping insertion in model container [2023-12-02 23:10:49,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:49" (1/1) ... [2023-12-02 23:10:49,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:10:50,314 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_e893d4cb-0ecd-453f-a421-2232612ad530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c[1245,1258] [2023-12-02 23:10:51,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:51,721 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:10:51,732 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_e893d4cb-0ecd-453f-a421-2232612ad530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c[1245,1258] [2023-12-02 23:10:52,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:52,575 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:10:52,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52 WrapperNode [2023-12-02 23:10:52,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:52,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:52,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:10:52,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:10:52,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:52,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:55,640 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45505 [2023-12-02 23:10:55,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:55,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:10:55,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:10:55,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:10:55,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:55,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:56,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:56,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:57,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:57,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:57,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:57,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:58,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:10:58,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:10:58,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:10:58,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:10:58,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52" (1/1) ... [2023-12-02 23:10:58,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:10:58,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:10:58,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:10:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:10:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:10:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:10:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:10:59,904 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:10:59,906 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:11:23,054 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:13:30,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:13:30,322 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:13:30,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:30 BoogieIcfgContainer [2023-12-02 23:13:30,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:13:30,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:13:30,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:13:30,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:13:30,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:30" (1/1) ... [2023-12-02 23:13:30,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:13:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:13:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:13:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:13:30,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:30,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:15,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:17:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:17:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:17:55,169 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 23:17:55,172 INFO L158 Benchmark]: Toolchain (without parser) took 425550.81ms. Allocated memory was 134.2MB in the beginning and 13.5GB in the end (delta: 13.4GB). Free memory was 77.4MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. [2023-12-02 23:17:55,172 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:17:55,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2954.42ms. Allocated memory was 134.2MB in the beginning and 352.3MB in the end (delta: 218.1MB). Free memory was 77.0MB in the beginning and 117.0MB in the end (delta: -40.0MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. [2023-12-02 23:17:55,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 3062.07ms. Allocated memory was 352.3MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 117.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 623.9MB. Max. memory is 16.1GB. [2023-12-02 23:17:55,174 INFO L158 Benchmark]: Boogie Preprocessor took 2472.57ms. Allocated memory was 2.3GB in the beginning and 6.8GB in the end (delta: 4.5GB). Free memory was 1.5GB in the beginning and 5.8GB in the end (delta: -4.3GB). Peak memory consumption was 267.4MB. Max. memory is 16.1GB. [2023-12-02 23:17:55,175 INFO L158 Benchmark]: RCFGBuilder took 152210.16ms. Allocated memory was 6.8GB in the beginning and 13.5GB in the end (delta: 6.7GB). Free memory was 5.8GB in the beginning and 10.9GB in the end (delta: -5.2GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2023-12-02 23:17:55,175 INFO L158 Benchmark]: CodeCheck took 264846.26ms. Allocated memory is still 13.5GB. Free memory was 10.9GB in the beginning and 6.6GB in the end (delta: 4.3GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. [2023-12-02 23:17:55,178 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 0.29ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2954.42ms. Allocated memory was 134.2MB in the beginning and 352.3MB in the end (delta: 218.1MB). Free memory was 77.0MB in the beginning and 117.0MB in the end (delta: -40.0MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3062.07ms. Allocated memory was 352.3MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 117.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 623.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2472.57ms. Allocated memory was 2.3GB in the beginning and 6.8GB in the end (delta: 4.5GB). Free memory was 1.5GB in the beginning and 5.8GB in the end (delta: -4.3GB). Peak memory consumption was 267.4MB. Max. memory is 16.1GB. * RCFGBuilder took 152210.16ms. Allocated memory was 6.8GB in the beginning and 13.5GB in the end (delta: 6.7GB). Free memory was 5.8GB in the beginning and 10.9GB in the end (delta: -5.2GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. * CodeCheck took 264846.26ms. Allocated memory is still 13.5GB. Free memory was 10.9GB in the beginning and 6.6GB in the end (delta: 4.3GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:17:55,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/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_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/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_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/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_e893d4cb-0ecd-453f-a421-2232612ad530/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 bfc5a32bd8f9b64e8c270ef1cbf09917d231a6a3d722a8ea774ee8fbc0d6c6f5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:17:57,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:17:57,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:17:57,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:17:57,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:17:57,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:17:57,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:17:57,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:17:57,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:17:57,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:17:57,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:17:57,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:17:57,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:17:57,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:17:57,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:17:57,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:17:57,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:17:57,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:17:57,898 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:17:57,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:17:57,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:17:57,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:17:57,900 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:57,900 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:17:57,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:17:57,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:57,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:17:57,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:17:57,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:17:57,903 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:17:57,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:57,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:17:57,904 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:17:57,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:17:57,905 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_e893d4cb-0ecd-453f-a421-2232612ad530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc5a32bd8f9b64e8c270ef1cbf09917d231a6a3d722a8ea774ee8fbc0d6c6f5 [2023-12-02 23:17:58,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:17:58,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:17:58,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:17:58,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:17:58,219 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:17:58,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c [2023-12-02 23:18:01,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:18:01,622 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:18:01,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c [2023-12-02 23:18:01,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data/a5586497a/bc2eb5f2a7564bf1916ebf39026823e9/FLAGe6b7347ee [2023-12-02 23:18:01,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/data/a5586497a/bc2eb5f2a7564bf1916ebf39026823e9 [2023-12-02 23:18:01,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:18:01,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:18:01,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:18:01,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:18:01,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:18:01,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:18:01" (1/1) ... [2023-12-02 23:18:01,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e72199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:01, skipping insertion in model container [2023-12-02 23:18:01,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:18:01" (1/1) ... [2023-12-02 23:18:01,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:18:02,222 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_e893d4cb-0ecd-453f-a421-2232612ad530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c[1245,1258] [2023-12-02 23:18:03,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:18:03,269 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:18:03,284 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_e893d4cb-0ecd-453f-a421-2232612ad530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal75.c[1245,1258] [2023-12-02 23:18:04,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:18:04,059 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:18:04,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04 WrapperNode [2023-12-02 23:18:04,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:18:04,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:18:04,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:18:04,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:18:04,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:04,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:04,721 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12894 [2023-12-02 23:18:04,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:18:04,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:18:04,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:18:04,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:18:04,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:04,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:04,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:04,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:04,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:05,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:05,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:05,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:05,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:18:05,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:18:05,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:18:05,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:18:05,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:18:04" (1/1) ... [2023-12-02 23:18:05,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:18:05,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:18:05,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:18:05,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:18:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:18:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:18:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:18:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:18:06,877 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:18:06,879 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:19:14,793 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:15,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:15,266 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:19:15,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:15 BoogieIcfgContainer [2023-12-02 23:19:15,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:15,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:15,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:15,280 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:15,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:15" (1/1) ... [2023-12-02 23:19:15,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:19:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:19:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:19:15,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:15,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:15,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:15,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:15,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:19:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:18,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:19,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:19:19,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:19,797 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 23:19:19,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:30,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:40,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:43,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:19:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:19:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:19:43,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:43,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:43,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:43,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:43,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e893d4cb-0ecd-453f-a421-2232612ad530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:22:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:49,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:00,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 12043 conjuncts, 1159 conjunts are in the unsatisfiable core [2023-12-02 23:23:00,509 INFO L285 TraceCheckSpWp]: Computing forward predicates...