./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.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_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/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_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/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_a42ba043-440f-4b99-9bcb-a259414611a7/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 0971b174b8810682d28b06351a18d327ff3f4e512eb1d264b24d2865d57cb99f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:04:26,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:04:26,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:04:26,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:04:26,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:04:26,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:04:26,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:04:26,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:04:26,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:04:26,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:04:26,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:04:26,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:04:26,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:04:26,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:04:26,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:04:26,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:04:26,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:04:26,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:04:26,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:04:26,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:04:26,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:04:26,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:04:26,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:04:26,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:04:26,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:04:26,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:04:26,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:04:26,228 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:04:26,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:04:26,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:04:26,229 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_a42ba043-440f-4b99-9bcb-a259414611a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0971b174b8810682d28b06351a18d327ff3f4e512eb1d264b24d2865d57cb99f [2023-12-03 00:04:26,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:04:26,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:04:26,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:04:26,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:04:26,471 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:04:26,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c [2023-12-03 00:04:29,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:04:29,767 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:04:29,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c [2023-12-03 00:04:29,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data/09bd2f815/93e807081246403497eadd8f9edb2f21/FLAG848c4a818 [2023-12-03 00:04:29,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data/09bd2f815/93e807081246403497eadd8f9edb2f21 [2023-12-03 00:04:29,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:04:29,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:04:29,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:04:29,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:04:29,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:04:29,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:04:29" (1/1) ... [2023-12-03 00:04:29,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785ace52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:29, skipping insertion in model container [2023-12-03 00:04:29,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:04:29" (1/1) ... [2023-12-03 00:04:30,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:04:30,358 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_a42ba043-440f-4b99-9bcb-a259414611a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c[1246,1259] [2023-12-03 00:04:31,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:04:31,625 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:04:31,637 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_a42ba043-440f-4b99-9bcb-a259414611a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c[1246,1259] [2023-12-03 00:04:32,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:04:32,580 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:04:32,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32 WrapperNode [2023-12-03 00:04:32,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:04:32,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:04:32,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:04:32,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:04:32,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:35,554 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44856 [2023-12-03 00:04:35,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:04:35,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:04:35,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:04:35,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:04:35,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:35,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:36,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:36,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:37,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:37,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:37,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:37,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:38,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:04:38,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:04:38,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:04:38,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:04:38,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:38,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:04:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:04:38,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:04:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:04:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:04:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:04:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:04:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:04:40,012 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:04:40,014 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:05:10,060 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:07:09,995 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:07:09,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:07:09,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:07:09 BoogieIcfgContainer [2023-12-03 00:07:09,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:07:09,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:07:09,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:07:10,007 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:07:10,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:07:09" (1/1) ... [2023-12-03 00:07:10,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:07:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:07:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:07:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:07:10,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:10,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:08:46,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:10:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:10:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:10:28,504 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:10:28,507 INFO L158 Benchmark]: Toolchain (without parser) took 358673.82ms. Allocated memory was 136.3MB in the beginning and 13.2GB in the end (delta: 13.1GB). Free memory was 71.9MB in the beginning and 8.2GB in the end (delta: -8.1GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. [2023-12-03 00:10:28,508 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:10:28,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2746.56ms. Allocated memory was 136.3MB in the beginning and 371.2MB in the end (delta: 234.9MB). Free memory was 71.9MB in the beginning and 141.9MB in the end (delta: -70.0MB). Peak memory consumption was 221.5MB. Max. memory is 16.1GB. [2023-12-03 00:10:28,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 2973.09ms. Allocated memory was 371.2MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 141.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 516.9MB. Max. memory is 16.1GB. [2023-12-03 00:10:28,510 INFO L158 Benchmark]: Boogie Preprocessor took 2748.81ms. Allocated memory was 2.2GB in the beginning and 6.7GB in the end (delta: 4.5GB). Free memory was 1.5GB in the beginning and 5.7GB in the end (delta: -4.2GB). Peak memory consumption was 248.5MB. Max. memory is 16.1GB. [2023-12-03 00:10:28,511 INFO L158 Benchmark]: RCFGBuilder took 151692.79ms. Allocated memory was 6.7GB in the beginning and 13.2GB in the end (delta: 6.5GB). Free memory was 5.7GB in the beginning and 10.3GB in the end (delta: -4.6GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-12-03 00:10:28,511 INFO L158 Benchmark]: CodeCheck took 198507.64ms. Allocated memory is still 13.2GB. Free memory was 10.3GB in the beginning and 8.2GB in the end (delta: 2.1GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2023-12-03 00:10:28,515 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 0.23ms. Allocated memory is still 136.3MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2746.56ms. Allocated memory was 136.3MB in the beginning and 371.2MB in the end (delta: 234.9MB). Free memory was 71.9MB in the beginning and 141.9MB in the end (delta: -70.0MB). Peak memory consumption was 221.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2973.09ms. Allocated memory was 371.2MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 141.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 516.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2748.81ms. Allocated memory was 2.2GB in the beginning and 6.7GB in the end (delta: 4.5GB). Free memory was 1.5GB in the beginning and 5.7GB in the end (delta: -4.2GB). Peak memory consumption was 248.5MB. Max. memory is 16.1GB. * RCFGBuilder took 151692.79ms. Allocated memory was 6.7GB in the beginning and 13.2GB in the end (delta: 6.5GB). Free memory was 5.7GB in the beginning and 10.3GB in the end (delta: -4.6GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * CodeCheck took 198507.64ms. Allocated memory is still 13.2GB. Free memory was 10.3GB in the beginning and 8.2GB in the end (delta: 2.1GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:10:28,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/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_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/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_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/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_a42ba043-440f-4b99-9bcb-a259414611a7/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 0971b174b8810682d28b06351a18d327ff3f4e512eb1d264b24d2865d57cb99f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:10:31,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:10:31,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:10:31,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:10:31,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:10:31,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:10:31,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:10:31,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:10:31,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:10:31,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:10:31,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:10:31,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:10:31,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:10:31,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:10:31,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:10:31,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:10:31,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:10:31,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:10:31,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:10:31,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:10:31,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:10:31,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:10:31,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:31,262 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:10:31,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:10:31,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:31,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:10:31,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:10:31,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:10:31,265 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:10:31,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:31,265 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:10:31,266 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:10:31,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:10:31,266 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_a42ba043-440f-4b99-9bcb-a259414611a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0971b174b8810682d28b06351a18d327ff3f4e512eb1d264b24d2865d57cb99f [2023-12-03 00:10:31,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:10:31,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:10:31,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:10:31,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:10:31,620 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:10:31,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c [2023-12-03 00:10:34,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:10:34,911 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:10:34,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c [2023-12-03 00:10:34,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data/87569937e/a504787542584c3f9352f94fd47cf88d/FLAGef04f6634 [2023-12-03 00:10:35,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/data/87569937e/a504787542584c3f9352f94fd47cf88d [2023-12-03 00:10:35,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:10:35,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:10:35,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:35,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:10:35,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:10:35,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:35" (1/1) ... [2023-12-03 00:10:35,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622e23db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:35, skipping insertion in model container [2023-12-03 00:10:35,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:35" (1/1) ... [2023-12-03 00:10:35,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:10:35,636 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_a42ba043-440f-4b99-9bcb-a259414611a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c[1246,1259] [2023-12-03 00:10:36,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:36,596 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:10:36,605 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_a42ba043-440f-4b99-9bcb-a259414611a7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal166.c[1246,1259] [2023-12-03 00:10:37,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:37,319 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:10:37,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37 WrapperNode [2023-12-03 00:10:37,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:37,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:37,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:10:37,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:10:37,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:37,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:37,882 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12465 [2023-12-03 00:10:37,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:37,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:10:37,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:10:37,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:10:37,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:37,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:37,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:37,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:38,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:38,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:38,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:38,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:38,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:10:38,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:10:38,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:10:38,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:10:38,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:37" (1/1) ... [2023-12-03 00:10:38,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:10:38,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:10:38,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:10:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:10:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:10:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:10:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:10:40,093 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:10:40,096 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:11:49,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:11:50,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:11:50,300 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:11:50,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:11:50 BoogieIcfgContainer [2023-12-03 00:11:50,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:11:50,302 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:11:50,302 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:11:50,310 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:11:50,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:11:50" (1/1) ... [2023-12-03 00:11:50,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:11:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:11:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:11:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:11:50,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:50,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:50,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:11:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:53,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:54,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:11:54,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:54,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:12:05,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:12:15,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:12:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:12:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:12:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:12:16,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:16,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:16,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:16,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:16,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:13:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:20,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:24,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 11291 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-03 00:13:24,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:26,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:13:37,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:40,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:50,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:00,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:10,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:22,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:32,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:43,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 00:14:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 00:14:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:14:44,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:44,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:44,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:44,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:44,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42ba043-440f-4b99-9bcb-a259414611a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process