./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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 d7ff922d8b25147489473b64a8540f7e3324c211c42f02c9b96b26db69ee8c0e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:31:34,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:31:34,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:31:34,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:31:34,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:31:34,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:31:34,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:31:34,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:31:34,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:31:34,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:31:34,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:31:34,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:31:34,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:31:34,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:31:34,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:31:34,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:31:34,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:31:34,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:31:34,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:31:34,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:31:34,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:31:34,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:31:34,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:31:34,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:34,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:31:34,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:31:34,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:31:34,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:31:34,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:31:34,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:31:34,991 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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7ff922d8b25147489473b64a8540f7e3324c211c42f02c9b96b26db69ee8c0e [2023-12-02 21:31:35,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:31:35,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:31:35,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:31:35,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:31:35,229 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:31:35,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c [2023-12-02 21:31:38,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:31:38,581 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:31:38,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c [2023-12-02 21:31:38,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data/04fca2d09/5764480a4c1848b7bbb3c3a4e2617353/FLAG47e566fb7 [2023-12-02 21:31:38,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data/04fca2d09/5764480a4c1848b7bbb3c3a4e2617353 [2023-12-02 21:31:38,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:31:38,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:31:38,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:38,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:31:38,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:31:38,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:38" (1/1) ... [2023-12-02 21:31:38,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d20003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:38, skipping insertion in model container [2023-12-02 21:31:38,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:38" (1/1) ... [2023-12-02 21:31:38,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:31:39,194 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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c[1246,1259] [2023-12-02 21:31:40,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:40,709 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:31:40,721 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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c[1246,1259] [2023-12-02 21:31:41,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:41,876 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:31:41,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41 WrapperNode [2023-12-02 21:31:41,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:41,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:41,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:31:41,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:31:41,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:42,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:45,823 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58032 [2023-12-02 21:31:45,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:45,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:31:45,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:31:45,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:31:45,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:45,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:46,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:46,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:47,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:47,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:48,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:48,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:49,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:31:49,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:31:49,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:31:49,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:31:49,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:41" (1/1) ... [2023-12-02 21:31:49,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:49,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:31:49,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:31:49,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:31:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:31:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:31:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:31:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:31:51,374 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:31:51,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:32:30,808 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:35:24,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:35:24,078 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:35:24,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:24 BoogieIcfgContainer [2023-12-02 21:35:24,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:35:24,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:35:24,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:35:24,088 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:35:24,088 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:24" (1/1) ... [2023-12-02 21:35:24,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:35:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:35:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:35:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:35:24,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:24,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:35:36,396 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 21:35:36,399 INFO L158 Benchmark]: Toolchain (without parser) took 237748.91ms. Allocated memory was 144.7MB in the beginning and 14.8GB in the end (delta: 14.7GB). Free memory was 74.3MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-02 21:35:36,399 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory was 116.3MB in the beginning and 116.2MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:35:36,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3225.77ms. Allocated memory was 144.7MB in the beginning and 480.2MB in the end (delta: 335.5MB). Free memory was 73.9MB in the beginning and 152.4MB in the end (delta: -78.4MB). Peak memory consumption was 292.8MB. Max. memory is 16.1GB. [2023-12-02 21:35:36,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 3946.35ms. Allocated memory was 480.2MB in the beginning and 3.3GB in the end (delta: 2.8GB). Free memory was 152.4MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 775.9MB. Max. memory is 16.1GB. [2023-12-02 21:35:36,401 INFO L158 Benchmark]: Boogie Preprocessor took 3278.02ms. Allocated memory was 3.3GB in the beginning and 8.4GB in the end (delta: 5.1GB). Free memory was 2.2GB in the beginning and 7.0GB in the end (delta: -4.8GB). Peak memory consumption was 342.9MB. Max. memory is 16.1GB. [2023-12-02 21:35:36,402 INFO L158 Benchmark]: RCFGBuilder took 214976.96ms. Allocated memory was 8.4GB in the beginning and 14.8GB in the end (delta: 6.4GB). Free memory was 7.0GB in the beginning and 11.0GB in the end (delta: -3.9GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-12-02 21:35:36,402 INFO L158 Benchmark]: CodeCheck took 12316.95ms. Allocated memory is still 14.8GB. Free memory was 11.0GB in the beginning and 11.3GB in the end (delta: -299.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:35:36,405 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 0.19ms. Allocated memory is still 144.7MB. Free memory was 116.3MB in the beginning and 116.2MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3225.77ms. Allocated memory was 144.7MB in the beginning and 480.2MB in the end (delta: 335.5MB). Free memory was 73.9MB in the beginning and 152.4MB in the end (delta: -78.4MB). Peak memory consumption was 292.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3946.35ms. Allocated memory was 480.2MB in the beginning and 3.3GB in the end (delta: 2.8GB). Free memory was 152.4MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 775.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3278.02ms. Allocated memory was 3.3GB in the beginning and 8.4GB in the end (delta: 5.1GB). Free memory was 2.2GB in the beginning and 7.0GB in the end (delta: -4.8GB). Peak memory consumption was 342.9MB. Max. memory is 16.1GB. * RCFGBuilder took 214976.96ms. Allocated memory was 8.4GB in the beginning and 14.8GB in the end (delta: 6.4GB). Free memory was 7.0GB in the beginning and 11.0GB in the end (delta: -3.9GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * CodeCheck took 12316.95ms. Allocated memory is still 14.8GB. Free memory was 11.0GB in the beginning and 11.3GB in the end (delta: -299.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:35:36,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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 d7ff922d8b25147489473b64a8540f7e3324c211c42f02c9b96b26db69ee8c0e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:35:39,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:35:39,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:35:39,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:35:39,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:35:39,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:35:39,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:35:39,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:35:39,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:35:39,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:35:39,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:35:39,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:35:39,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:35:39,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:35:39,243 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:35:39,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:35:39,244 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:35:39,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:35:39,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:35:39,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:35:39,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:35:39,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:35:39,249 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:39,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:35:39,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:35:39,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:39,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:35:39,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:35:39,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:35:39,254 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:35:39,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:39,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:35:39,255 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:35:39,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:35:39,256 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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7ff922d8b25147489473b64a8540f7e3324c211c42f02c9b96b26db69ee8c0e [2023-12-02 21:35:39,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:35:39,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:35:39,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:35:39,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:35:39,700 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:35:39,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c [2023-12-02 21:35:43,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:35:44,058 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:35:44,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c [2023-12-02 21:35:44,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data/52af4b8a1/293c53de9a4c400cad472e6101939a81/FLAG23d6fe896 [2023-12-02 21:35:44,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/data/52af4b8a1/293c53de9a4c400cad472e6101939a81 [2023-12-02 21:35:44,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:35:44,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:35:44,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:44,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:35:44,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:35:44,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:44" (1/1) ... [2023-12-02 21:35:44,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698903e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44, skipping insertion in model container [2023-12-02 21:35:44,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:44" (1/1) ... [2023-12-02 21:35:44,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:35:45,006 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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c[1246,1259] [2023-12-02 21:35:46,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:46,623 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:35:46,640 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_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal124.c[1246,1259] [2023-12-02 21:35:47,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:47,895 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:35:47,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47 WrapperNode [2023-12-02 21:35:47,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:47,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:47,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:35:47,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:35:47,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:48,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:48,710 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18711 [2023-12-02 21:35:48,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:48,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:35:48,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:35:48,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:35:48,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:48,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:48,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:48,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:49,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:49,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:49,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:49,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:49,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:35:49,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:35:49,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:35:49,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:35:49,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:47" (1/1) ... [2023-12-02 21:35:49,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:49,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:35:49,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:35:49,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:35:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:35:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:35:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:35:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:35:52,109 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:35:52,110 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:39:57,537 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:39:58,185 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:39:58,185 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:39:58,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:58 BoogieIcfgContainer [2023-12-02 21:39:58,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:39:58,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:39:58,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:39:58,194 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:39:58,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:58" (1/1) ... [2023-12-02 21:39:58,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:39:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:39:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:39:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:39:58,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:58,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:58,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:58,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:58,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:40:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:02,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:03,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:40:03,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:03,317 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 21:40:03,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:14,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:24,382 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 21:40:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:40:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:40:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:25,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:25,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:25,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:25,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:25,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:41:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:08,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:16,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 15949 conjuncts, 302 conjunts are in the unsatisfiable core [2023-12-02 21:41:16,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:24,127 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 21:41:24,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:41:37,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:41:51,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:01,785 WARN L539 Checker$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 21:42:11,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:25,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:36,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:46,807 WARN L539 Checker$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 21:42:50,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:42:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 21:42:50,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 21:42:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:42:50,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:50,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:50,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:50,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f631a1f4-e0eb-4509-82f6-48b5eddcc74a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process