./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC --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 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:51,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:51,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:09:51,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:51,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:51,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:51,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:51,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:51,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:51,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:51,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:51,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:51,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:51,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:51,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:51,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:51,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:51,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:51,813 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:51,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:51,814 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:51,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:51,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:51,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:51,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:51,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:51,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:51,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:51,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:51,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:51,833 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_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 [2023-11-23 20:09:52,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:52,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:52,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:52,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:52,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:52,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-23 20:09:55,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:55,722 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:55,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-23 20:09:55,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data/22129adb0/b74fae33c0514fa4a335bce8d1ab1c50/FLAG17d118b99 [2023-11-23 20:09:55,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data/22129adb0/b74fae33c0514fa4a335bce8d1ab1c50 [2023-11-23 20:09:55,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:55,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:55,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:55,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:55,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:55,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:55" (1/1) ... [2023-11-23 20:09:55,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1073be3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:55, skipping insertion in model container [2023-11-23 20:09:55,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:55" (1/1) ... [2023-11-23 20:09:55,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:56,020 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_82130a34-4c86-44bf-8551-8192e8992604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-23 20:09:56,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:56,208 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:56,222 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-23 20:09:56,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:56,402 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:56,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56 WrapperNode [2023-11-23 20:09:56,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:56,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:56,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:56,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:56,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,579 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-11-23 20:09:56,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:56,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:56,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:56,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:56,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:56,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:56,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:56,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:56,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:56,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:56,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:56,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:09:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:09:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:09:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:57,121 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:57,124 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:58,524 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:00,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:00,339 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:10:00,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:00 BoogieIcfgContainer [2023-11-23 20:10:00,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:00,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:00,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:00,357 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:00,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:00" (1/1) ... [2023-11-23 20:10:00,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-23 20:10:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-23 20:10:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:10:00,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:00,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:14,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:10:27,442 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) [2023-11-23 20:10:27,446 INFO L158 Benchmark]: Toolchain (without parser) took 31669.66ms. Allocated memory was 176.2MB in the beginning and 673.2MB in the end (delta: 497.0MB). Free memory was 144.6MB in the beginning and 554.3MB in the end (delta: -409.7MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:27,447 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:27,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.18ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 121.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:27,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.56ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 106.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:10:27,449 INFO L158 Benchmark]: Boogie Preprocessor took 170.42ms. Allocated memory is still 176.2MB. Free memory was 106.3MB in the beginning and 100.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:27,450 INFO L158 Benchmark]: RCFGBuilder took 3590.27ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 100.2MB in the beginning and 145.4MB in the end (delta: -45.2MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2023-11-23 20:10:27,450 INFO L158 Benchmark]: CodeCheck took 27101.35ms. Allocated memory was 237.0MB in the beginning and 673.2MB in the end (delta: 436.2MB). Free memory was 145.4MB in the beginning and 554.3MB in the end (delta: -408.9MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-23 20:10:27,454 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 0.33ms. Allocated memory is still 125.8MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.18ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 121.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.56ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 106.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.42ms. Allocated memory is still 176.2MB. Free memory was 106.3MB in the beginning and 100.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3590.27ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 100.2MB in the beginning and 145.4MB in the end (delta: -45.2MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. * CodeCheck took 27101.35ms. Allocated memory was 237.0MB in the beginning and 673.2MB in the end (delta: 436.2MB). Free memory was 145.4MB in the beginning and 554.3MB in the end (delta: -408.9MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:27,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC --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 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:30,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:30,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:10:30,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:30,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:30,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:30,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:30,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:30,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:30,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:30,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:30,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:30,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:30,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:30,245 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:10:30,245 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:10:30,245 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:10:30,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:30,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:30,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:30,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:30,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:30,250 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:30,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:30,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:30,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:30,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:30,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:30,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:30,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:10:30,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:30,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:30,255 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:10:30,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:30,256 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37235873cdbfb4a92a6d9a366e7d975c617138dc8eee2f80d6fd06796710e280 [2023-11-23 20:10:30,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:30,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:30,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:30,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:30,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:30,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-23 20:10:33,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:34,283 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:34,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c [2023-11-23 20:10:34,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data/6dbea7b8b/6e9d147c884a40d285c67d9bf64ce0b3/FLAGa8481c959 [2023-11-23 20:10:34,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/data/6dbea7b8b/6e9d147c884a40d285c67d9bf64ce0b3 [2023-11-23 20:10:34,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:34,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:34,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:34,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:34,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:34,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:34,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5026ccc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34, skipping insertion in model container [2023-11-23 20:10:34,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:34,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:34,584 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_82130a34-4c86-44bf-8551-8192e8992604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-23 20:10:34,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:34,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:34,756 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_82130a34-4c86-44bf-8551-8192e8992604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_analog_estimation_convergence.c[1289,1302] [2023-11-23 20:10:34,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:34,921 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:34,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34 WrapperNode [2023-11-23 20:10:34,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:34,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:34,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:34,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:34,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:34,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,004 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 377 [2023-11-23 20:10:35,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:35,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:35,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:35,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:35,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:35,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:35,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:35,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:35,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:34" (1/1) ... [2023-11-23 20:10:35,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:35,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:35,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:35,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:10:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:10:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:10:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:35,349 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:35,352 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:35,849 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:35,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:35,960 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:10:35,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:35 BoogieIcfgContainer [2023-11-23 20:10:35,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:35,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:35,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:35,975 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:35,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:35" (1/1) ... [2023-11-23 20:10:35,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-23 20:10:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-23 20:10:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:10:36,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:36,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:10:36,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:10:36,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:10:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:10:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:10:36,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:37,028 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:10:37,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:10:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-23 20:10:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-23 20:10:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:37,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:37,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:10:37,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:10:37,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:10:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:10:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:38,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-23 20:10:38,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:10:38,741 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:10:38,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82130a34-4c86-44bf-8551-8192e8992604/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0