./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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 c4ee3cc6e8622c75ac6e30d869f1e6e3cc79384ffcebb29fb6a2d62a2b462138 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:52,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:52,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:15:52,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:52,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:52,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:52,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:52,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:52,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:52,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:52,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:52,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:52,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:52,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:52,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:52,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:52,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:52,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:52,547 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:52,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:52,548 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:52,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:52,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:52,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:52,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:52,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:52,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:52,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:52,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:52,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:52,553 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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4ee3cc6e8622c75ac6e30d869f1e6e3cc79384ffcebb29fb6a2d62a2b462138 [2023-12-02 21:15:52,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:52,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:52,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:52,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:52,833 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:52,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c [2023-12-02 21:15:55,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:15:56,262 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:15:56,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c [2023-12-02 21:15:56,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data/4148c6fcc/530d48cdcfa6428581ec11682c83f3f0/FLAG7c3eeaef3 [2023-12-02 21:15:56,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data/4148c6fcc/530d48cdcfa6428581ec11682c83f3f0 [2023-12-02 21:15:56,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:15:56,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:15:56,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:56,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:15:56,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:15:56,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddf02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56, skipping insertion in model container [2023-12-02 21:15:56,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:15:57,033 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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c[1246,1259] [2023-12-02 21:15:58,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:58,516 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:15:58,529 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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c[1246,1259] [2023-12-02 21:15:59,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:59,840 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:15:59,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59 WrapperNode [2023-12-02 21:15:59,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:59,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:15:59,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:15:59,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:15:59,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:00,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:04,382 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57665 [2023-12-02 21:16:04,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:04,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:04,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:04,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:04,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:04,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:05,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:05,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:06,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:06,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:06,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:07,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:08,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:08,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:08,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:08,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:08,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:08,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:08,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:08,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:08,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:10,373 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:10,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:46,048 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:19:39,726 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:19:39,726 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:19:39,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:39 BoogieIcfgContainer [2023-12-02 21:19:39,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:19:39,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:19:39,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:19:39,735 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:19:39,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:39" (1/1) ... [2023-12-02 21:19:39,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:19:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:19:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:19:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:19:39,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:19:51,902 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 21:19:51,906 INFO L158 Benchmark]: Toolchain (without parser) took 235563.66ms. Allocated memory was 188.7MB in the beginning and 14.5GB in the end (delta: 14.3GB). Free memory was 120.3MB in the beginning and 10.4GB in the end (delta: -10.3GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2023-12-02 21:19:51,907 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 89.5MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:19:51,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3498.69ms. Allocated memory was 188.7MB in the beginning and 796.9MB in the end (delta: 608.2MB). Free memory was 120.3MB in the beginning and 483.7MB in the end (delta: -363.4MB). Peak memory consumption was 302.3MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 4539.82ms. Allocated memory was 796.9MB in the beginning and 6.8GB in the end (delta: 6.0GB). Free memory was 483.7MB in the beginning and 5.8GB in the end (delta: -5.3GB). Peak memory consumption was 808.5MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,909 INFO L158 Benchmark]: Boogie Preprocessor took 3767.83ms. Allocated memory is still 6.8GB. Free memory was 5.8GB in the beginning and 5.5GB in the end (delta: 323.0MB). Peak memory consumption was 587.2MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,910 INFO L158 Benchmark]: RCFGBuilder took 211575.96ms. Allocated memory was 6.8GB in the beginning and 14.5GB in the end (delta: 7.7GB). Free memory was 5.5GB in the beginning and 10.7GB in the end (delta: -5.2GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2023-12-02 21:19:51,910 INFO L158 Benchmark]: CodeCheck took 12176.44ms. Allocated memory is still 14.5GB. Free memory was 10.7GB in the beginning and 10.4GB in the end (delta: 305.3MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,914 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 0.17ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 89.5MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3498.69ms. Allocated memory was 188.7MB in the beginning and 796.9MB in the end (delta: 608.2MB). Free memory was 120.3MB in the beginning and 483.7MB in the end (delta: -363.4MB). Peak memory consumption was 302.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4539.82ms. Allocated memory was 796.9MB in the beginning and 6.8GB in the end (delta: 6.0GB). Free memory was 483.7MB in the beginning and 5.8GB in the end (delta: -5.3GB). Peak memory consumption was 808.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3767.83ms. Allocated memory is still 6.8GB. Free memory was 5.8GB in the beginning and 5.5GB in the end (delta: 323.0MB). Peak memory consumption was 587.2MB. Max. memory is 16.1GB. * RCFGBuilder took 211575.96ms. Allocated memory was 6.8GB in the beginning and 14.5GB in the end (delta: 7.7GB). Free memory was 5.5GB in the beginning and 10.7GB in the end (delta: -5.2GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. * CodeCheck took 12176.44ms. Allocated memory is still 14.5GB. Free memory was 10.7GB in the beginning and 10.4GB in the end (delta: 305.3MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:19:52,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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 c4ee3cc6e8622c75ac6e30d869f1e6e3cc79384ffcebb29fb6a2d62a2b462138 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:19:54,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:19:54,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:19:54,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:19:54,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:19:54,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:19:54,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:19:54,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:19:54,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:19:54,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:19:54,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:19:54,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:19:54,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:19:54,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:19:54,633 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:19:54,633 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:19:54,634 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:19:54,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:19:54,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:19:54,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:19:54,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:19:54,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:19:54,638 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:54,638 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:19:54,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:19:54,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:54,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:19:54,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:19:54,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:19:54,640 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:19:54,641 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:54,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:19:54,641 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:19:54,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:19:54,642 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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4ee3cc6e8622c75ac6e30d869f1e6e3cc79384ffcebb29fb6a2d62a2b462138 [2023-12-02 21:19:54,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:19:54,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:19:54,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:19:54,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:19:54,935 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:19:54,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c [2023-12-02 21:19:57,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:19:58,280 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:19:58,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c [2023-12-02 21:19:58,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data/2ee23b8a8/8982ad0195f6421ab002cc0629c82fcc/FLAGb83a3a830 [2023-12-02 21:19:58,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/data/2ee23b8a8/8982ad0195f6421ab002cc0629c82fcc [2023-12-02 21:19:58,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:19:58,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:19:58,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:58,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:19:58,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:19:58,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:58" (1/1) ... [2023-12-02 21:19:58,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354e1ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:58, skipping insertion in model container [2023-12-02 21:19:58,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:58" (1/1) ... [2023-12-02 21:19:58,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:19:58,987 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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c[1246,1259] [2023-12-02 21:20:00,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:20:00,304 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:20:00,316 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_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal151.c[1246,1259] [2023-12-02 21:20:01,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:20:01,438 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:20:01,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01 WrapperNode [2023-12-02 21:20:01,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:20:01,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:20:01,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:20:01,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:20:01,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:01,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,117 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18626 [2023-12-02 21:20:02,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:20:02,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:20:02,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:20:02,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:20:02,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:20:02,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:20:02,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:20:02,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:20:02,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:01" (1/1) ... [2023-12-02 21:20:02,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:20:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:20:02,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:20:02,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:20:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:20:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:20:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:20:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:20:04,647 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:20:04,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:22:57,905 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:22:58,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:22:58,490 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:22:58,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:58 BoogieIcfgContainer [2023-12-02 21:22:58,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:22:58,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:22:58,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:22:58,499 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:22:58,499 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:58" (1/1) ... [2023-12-02 21:22:58,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:22:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:22:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:22:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:22:58,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:58,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:58,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:58,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:58,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:23:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:02,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:03,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:23:03,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:03,749 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 21:23:03,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:23:14,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:24,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:23:25,226 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:23:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:25,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:25,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:25,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:23:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:51,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:56,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 15804 conjuncts, 228 conjunts are in the unsatisfiable core [2023-12-02 21:23:56,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:01,274 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 21:24:01,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:24:14,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:28,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:38,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:48,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:01,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:12,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:22,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:24,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 21:25:24,507 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 21:25:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:25:24,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:24,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:25:24,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:25:24,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:25:24,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7b6bb4-ed6a-4e92-92fb-567a1f14115e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process