./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/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_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/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_221ffa9c-da9f-4d94-9074-29d20ea1e528/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 2e2d16516f5b2c0cf17cd8ea179f437d06662e733ae19757c10d87ee0ea2bd8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:00:11,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:00:11,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:00:11,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:00:11,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:00:11,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:00:11,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:00:11,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:00:11,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:00:11,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:00:11,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:00:11,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:00:11,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:00:11,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:00:11,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:00:11,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:00:11,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:00:11,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:00:11,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:00:11,371 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:00:11,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:00:11,372 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:00:11,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:00:11,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:00:11,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:00:11,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:00:11,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:00:11,375 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:00:11,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:00:11,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:00:11,376 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_221ffa9c-da9f-4d94-9074-29d20ea1e528/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2d16516f5b2c0cf17cd8ea179f437d06662e733ae19757c10d87ee0ea2bd8e [2023-12-02 22:00:11,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:00:11,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:00:11,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:00:11,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:00:11,602 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:00:11,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-12-02 22:00:14,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:00:14,610 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:00:14,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-12-02 22:00:14,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data/b90c89b7c/fa056920efac49e3b57bf7c06c8e2825/FLAG5b015e593 [2023-12-02 22:00:14,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data/b90c89b7c/fa056920efac49e3b57bf7c06c8e2825 [2023-12-02 22:00:14,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:00:14,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:00:14,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:00:14,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:00:14,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:00:14,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:00:14" (1/1) ... [2023-12-02 22:00:14,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fa877d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:14, skipping insertion in model container [2023-12-02 22:00:14,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:00:14" (1/1) ... [2023-12-02 22:00:14,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:00:14,843 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_221ffa9c-da9f-4d94-9074-29d20ea1e528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-12-02 22:00:14,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:00:15,005 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:00:15,018 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_221ffa9c-da9f-4d94-9074-29d20ea1e528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-12-02 22:00:15,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:00:15,111 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:00:15,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15 WrapperNode [2023-12-02 22:00:15,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:00:15,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:00:15,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:00:15,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:00:15,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,255 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1198 [2023-12-02 22:00:15,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:00:15,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:00:15,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:00:15,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:00:15,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:00:15,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:00:15,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:00:15,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:00:15,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:15" (1/1) ... [2023-12-02 22:00:15,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:00:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:00:15,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:00:15,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:00:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:00:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:00:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:00:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:00:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:00:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:00:15,582 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:00:15,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:00:16,616 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:00:18,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:00:18,426 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:00:18,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:00:18 BoogieIcfgContainer [2023-12-02 22:00:18,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:00:18,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:00:18,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:00:18,439 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:00:18,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:00:18" (1/1) ... [2023-12-02 22:00:18,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:00:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-02 22:00:18,505 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-02 22:00:18,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:00:18,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:18,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:00:25,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:00:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:00:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:00:36,682 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:00:36,685 INFO L158 Benchmark]: Toolchain (without parser) took 22043.63ms. Allocated memory was 174.1MB in the beginning and 543.2MB in the end (delta: 369.1MB). Free memory was 132.1MB in the beginning and 475.6MB in the end (delta: -343.4MB). Peak memory consumption was 343.0MB. Max. memory is 16.1GB. [2023-12-02 22:00:36,686 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:00:36,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.29ms. Allocated memory is still 174.1MB. Free memory was 132.1MB in the beginning and 107.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 22:00:36,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.36ms. Allocated memory is still 174.1MB. Free memory was 106.7MB in the beginning and 132.9MB in the end (delta: -26.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-12-02 22:00:36,687 INFO L158 Benchmark]: Boogie Preprocessor took 116.77ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 124.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:00:36,688 INFO L158 Benchmark]: RCFGBuilder took 3054.17ms. Allocated memory was 174.1MB in the beginning and 220.2MB in the end (delta: 46.1MB). Free memory was 124.9MB in the beginning and 81.8MB in the end (delta: 43.1MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2023-12-02 22:00:36,689 INFO L158 Benchmark]: CodeCheck took 18255.15ms. Allocated memory was 220.2MB in the beginning and 543.2MB in the end (delta: 323.0MB). Free memory was 81.8MB in the beginning and 475.6MB in the end (delta: -393.8MB). Peak memory consumption was 243.7MB. Max. memory is 16.1GB. [2023-12-02 22:00:36,692 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 121.6MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.29ms. Allocated memory is still 174.1MB. Free memory was 132.1MB in the beginning and 107.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.36ms. Allocated memory is still 174.1MB. Free memory was 106.7MB in the beginning and 132.9MB in the end (delta: -26.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.77ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 124.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3054.17ms. Allocated memory was 174.1MB in the beginning and 220.2MB in the end (delta: 46.1MB). Free memory was 124.9MB in the beginning and 81.8MB in the end (delta: 43.1MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. * CodeCheck took 18255.15ms. Allocated memory was 220.2MB in the beginning and 543.2MB in the end (delta: 323.0MB). Free memory was 81.8MB in the beginning and 475.6MB in the end (delta: -393.8MB). Peak memory consumption was 243.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:00:36,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/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_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/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_221ffa9c-da9f-4d94-9074-29d20ea1e528/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 2e2d16516f5b2c0cf17cd8ea179f437d06662e733ae19757c10d87ee0ea2bd8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:00:38,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:00:38,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:00:38,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:00:38,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:00:38,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:00:38,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:00:38,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:00:38,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:00:38,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:00:38,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:00:38,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:00:38,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:00:38,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:00:38,737 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:00:38,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:00:38,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:00:38,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:00:38,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:00:38,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:00:38,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:00:38,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:00:38,741 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:38,742 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:00:38,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:00:38,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:00:38,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:00:38,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:00:38,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:00:38,745 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:00:38,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:38,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:00:38,746 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:00:38,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:00:38,746 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_221ffa9c-da9f-4d94-9074-29d20ea1e528/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2d16516f5b2c0cf17cd8ea179f437d06662e733ae19757c10d87ee0ea2bd8e [2023-12-02 22:00:39,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:00:39,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:00:39,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:00:39,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:00:39,080 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:00:39,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-12-02 22:00:41,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:00:42,132 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:00:42,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-12-02 22:00:42,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data/c60eb3b53/92bdb22c16b645c7b075981a6028f938/FLAGe3bf9b861 [2023-12-02 22:00:42,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/data/c60eb3b53/92bdb22c16b645c7b075981a6028f938 [2023-12-02 22:00:42,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:00:42,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:00:42,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:00:42,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:00:42,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:00:42,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3727853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42, skipping insertion in model container [2023-12-02 22:00:42,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:00:42,372 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_221ffa9c-da9f-4d94-9074-29d20ea1e528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-12-02 22:00:42,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:00:42,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:00:42,513 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_221ffa9c-da9f-4d94-9074-29d20ea1e528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-12-02 22:00:42,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:00:42,629 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:00:42,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42 WrapperNode [2023-12-02 22:00:42,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:00:42,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:00:42,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:00:42,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:00:42,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,702 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 429 [2023-12-02 22:00:42,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:00:42,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:00:42,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:00:42,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:00:42,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:00:42,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:00:42,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:00:42,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:00:42,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:00:42" (1/1) ... [2023-12-02 22:00:42,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:00:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:00:42,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:00:42,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:00:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:00:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:00:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:00:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:00:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:00:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:00:42,980 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:00:42,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:00:43,403 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:00:43,466 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:00:43,466 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:00:43,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:00:43 BoogieIcfgContainer [2023-12-02 22:00:43,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:00:43,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:00:43,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:00:43,479 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:00:43,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:00:43" (1/1) ... [2023-12-02 22:00:43,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:00:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-02 22:00:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-02 22:00:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:00:43,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:43,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:43,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:43,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:43,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:00:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:43,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:44,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:00:44,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:00:44,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:00:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-02 22:00:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-02 22:00:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:00:44,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:44,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:44,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:44,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:44,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:00:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:45,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:45,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 22:00:45,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:00:46,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:00:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-12-02 22:00:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-12-02 22:00:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:00:47,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:47,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:47,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:47,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:47,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:00:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:48,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:48,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 22:00:48,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:00:49,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:00:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 57 transitions. [2023-12-02 22:00:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2023-12-02 22:00:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:00:52,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:52,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:52,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:52,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:00:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:52,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:53,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 22:00:53,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 22:00:54,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:00:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 96 transitions. [2023-12-02 22:00:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-12-02 22:00:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:00:59,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:59,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:59,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:59,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:59,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:01:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:00,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:00,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 22:01:00,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 22:01:02,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:01:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 114 transitions. [2023-12-02 22:01:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2023-12-02 22:01:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:01:05,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:05,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:05,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:05,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:05,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:01:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:06,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:06,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 22:01:06,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 22:01:07,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:01:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 132 transitions. [2023-12-02 22:01:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2023-12-02 22:01:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 22:01:12,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:12,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:12,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:12,050 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:12,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:01:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:13,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:14,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 465 conjunts are in the unsatisfiable core [2023-12-02 22:01:14,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 25 proven. 161 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-12-02 22:01:47,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 22:03:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 134 states and 210 transitions. [2023-12-02 22:03:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-12-02 22:03:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 22:03:00,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:00,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:00,219 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:00,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:03:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:02,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:04,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 2229 conjuncts, 595 conjunts are in the unsatisfiable core [2023-12-02 22:03:04,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 33 proven. 216 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-02 22:03:46,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:04:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 147 states and 233 transitions. [2023-12-02 22:04:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2023-12-02 22:04:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 22:04:39,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:39,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:39,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:39,735 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:39,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:04:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:42,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:45,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 2512 conjuncts, 627 conjunts are in the unsatisfiable core [2023-12-02 22:04:45,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:01,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 22:07:01,354 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 22:07:01,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221ffa9c-da9f-4d94-9074-29d20ea1e528/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:07:01,371 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:07:01,375 INFO L158 Benchmark]: Toolchain (without parser) took 379207.85ms. Allocated memory was 88.1MB in the beginning and 461.4MB in the end (delta: 373.3MB). Free memory was 63.3MB in the beginning and 273.2MB in the end (delta: -209.8MB). Peak memory consumption was 319.5MB. Max. memory is 16.1GB. [2023-12-02 22:07:01,375 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:01,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.41ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 63.1MB in the beginning and 101.7MB in the end (delta: -38.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:01,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.75ms. Allocated memory is still 125.8MB. Free memory was 101.7MB in the beginning and 97.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:01,377 INFO L158 Benchmark]: Boogie Preprocessor took 57.85ms. Allocated memory is still 125.8MB. Free memory was 97.5MB in the beginning and 94.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:07:01,378 INFO L158 Benchmark]: RCFGBuilder took 706.35ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 81.5MB in the end (delta: 13.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:01,379 INFO L158 Benchmark]: CodeCheck took 377904.70ms. Allocated memory was 125.8MB in the beginning and 461.4MB in the end (delta: 335.5MB). Free memory was 81.5MB in the beginning and 273.2MB in the end (delta: -191.7MB). Peak memory consumption was 298.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:01,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.41ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 63.1MB in the beginning and 101.7MB in the end (delta: -38.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.75ms. Allocated memory is still 125.8MB. Free memory was 101.7MB in the beginning and 97.5MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.85ms. Allocated memory is still 125.8MB. Free memory was 97.5MB in the beginning and 94.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 706.35ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 81.5MB in the end (delta: 13.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * CodeCheck took 377904.70ms. Allocated memory was 125.8MB in the beginning and 461.4MB in the end (delta: 335.5MB). Free memory was 81.5MB in the beginning and 273.2MB in the end (delta: -191.7MB). Peak memory consumption was 298.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants