./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 cf1a7837 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:51:06,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:06,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:51:06,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:06,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:06,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:06,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:06,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:06,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:06,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:06,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:06,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:06,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:06,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:06,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:06,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:06,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:06,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:06,251 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:06,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:06,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:06,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:06,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:06,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:06,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:06,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:06,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:06,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:06,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:06,256 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2d16516f5b2c0cf17cd8ea179f437d06662e733ae19757c10d87ee0ea2bd8e [2023-11-11 23:51:06,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:06,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:06,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:06,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:06,538 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:06,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-11-11 23:51:09,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:10,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:10,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-11-11 23:51:10,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data/580335ab2/98bb4e9f1a5e4a01bbbc86a2d1be590f/FLAGc8198e3fe [2023-11-11 23:51:10,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data/580335ab2/98bb4e9f1a5e4a01bbbc86a2d1be590f [2023-11-11 23:51:10,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:10,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:10,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:10,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:10,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:10,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb10063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10, skipping insertion in model container [2023-11-11 23:51:10,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:10,302 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-11-11 23:51:10,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:10,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:10,552 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-11-11 23:51:10,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:10,687 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:10,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10 WrapperNode [2023-11-11 23:51:10,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:10,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:10,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:10,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:10,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,874 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1198 [2023-11-11 23:51:10,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:10,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:10,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:10,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:10,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:10,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:11,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:11,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:11,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:11,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:11,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:11,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:11,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:10" (1/1) ... [2023-11-11 23:51:11,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:11,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:11,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:11,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:51:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:51:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:11,410 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:11,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:12,959 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:15,139 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:15,139 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:51:15,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:15 BoogieIcfgContainer [2023-11-11 23:51:15,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:15,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:15,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:15,154 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:15,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:15" (1/1) ... [2023-11-11 23:51:15,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:51:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-11 23:51:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-11 23:51:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:51:15,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:15,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:51:20,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:51:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:51:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-11 23:51:33,170 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) [2023-11-11 23:51:33,181 INFO L158 Benchmark]: Toolchain (without parser) took 23107.72ms. Allocated memory was 167.8MB in the beginning and 494.9MB in the end (delta: 327.2MB). Free memory was 128.8MB in the beginning and 389.6MB in the end (delta: -260.8MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-11 23:51:33,182 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:33,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.81ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 103.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:51:33,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.86ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 85.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:51:33,185 INFO L158 Benchmark]: Boogie Preprocessor took 245.65ms. Allocated memory is still 167.8MB. Free memory was 85.2MB in the beginning and 125.9MB in the end (delta: -40.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-11 23:51:33,186 INFO L158 Benchmark]: RCFGBuilder took 4020.15ms. Allocated memory was 167.8MB in the beginning and 341.8MB in the end (delta: 174.1MB). Free memory was 125.9MB in the beginning and 204.2MB in the end (delta: -78.4MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2023-11-11 23:51:33,188 INFO L158 Benchmark]: CodeCheck took 18033.95ms. Allocated memory was 341.8MB in the beginning and 494.9MB in the end (delta: 153.1MB). Free memory was 204.2MB in the beginning and 389.6MB in the end (delta: -185.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:33,196 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.81ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 103.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.86ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 85.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 245.65ms. Allocated memory is still 167.8MB. Free memory was 85.2MB in the beginning and 125.9MB in the end (delta: -40.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4020.15ms. Allocated memory was 167.8MB in the beginning and 341.8MB in the end (delta: 174.1MB). Free memory was 125.9MB in the beginning and 204.2MB in the end (delta: -78.4MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. * CodeCheck took 18033.95ms. Allocated memory was 341.8MB in the beginning and 494.9MB in the end (delta: 153.1MB). Free memory was 204.2MB in the beginning and 389.6MB in the end (delta: -185.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:33,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:51:35,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:36,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:51:36,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:36,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:36,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:36,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:36,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:36,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:36,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:36,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:36,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:36,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:36,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:36,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:51:36,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:51:36,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:51:36,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:36,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:36,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:36,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:36,125 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:51:36,126 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:36,126 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:36,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:36,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:36,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:36,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:36,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:36,130 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:51:36,130 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:36,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:36,131 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:51:36,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:36,132 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2d16516f5b2c0cf17cd8ea179f437d06662e733ae19757c10d87ee0ea2bd8e [2023-11-11 23:51:36,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:36,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:36,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:36,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:36,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:36,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-11-11 23:51:39,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:40,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:40,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2023-11-11 23:51:40,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data/e8798298b/c2f00f3da05f467d875c5430738e5f36/FLAG83d0a8bc1 [2023-11-11 23:51:40,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/data/e8798298b/c2f00f3da05f467d875c5430738e5f36 [2023-11-11 23:51:40,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:40,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:40,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:40,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:40,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:40,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:40,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21695591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40, skipping insertion in model container [2023-11-11 23:51:40,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:40,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:40,530 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-11-11 23:51:40,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:40,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:40,800 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_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2023-11-11 23:51:40,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:40,979 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:40,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40 WrapperNode [2023-11-11 23:51:40,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:40,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:40,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:40,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:40,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,118 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 429 [2023-11-11 23:51:41,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:41,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:41,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:41,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:41,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:41,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:41,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:41,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:41,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:40" (1/1) ... [2023-11-11 23:51:41,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:41,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:41,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:41,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:51:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:51:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:51:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:41,478 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:41,480 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:42,195 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:42,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:42,258 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:51:42,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:42 BoogieIcfgContainer [2023-11-11 23:51:42,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:42,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:42,262 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:42,273 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:42,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:42" (1/1) ... [2023-11-11 23:51:42,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:51:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-11 23:51:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-11 23:51:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:51:42,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:51:42,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:51:42,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:51:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:42,727 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:51:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:42,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:51:42,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:51:43,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:51:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-11 23:51:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-11 23:51:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:51:43,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:43,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:43,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:51:43,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:51:43,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:51:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:44,441 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:51:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:44,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-11 23:51:44,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:51:45,460 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:51:45,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:51:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-11 23:51:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-11 23:51:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:51:48,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:48,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:51:48,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:51:48,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:51:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:48,796 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:51:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:49,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-11 23:51:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-11 23:51:50,023 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:51:50,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:51:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 57 transitions. [2023-11-11 23:51:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2023-11-11 23:51:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:51:53,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:53,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:53,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:51:53,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:51:53,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:51:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:54,611 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:51:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:55,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-11 23:51:55,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-11 23:51:56,828 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:51:56,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2884ad7-19c4-43dc-a34d-9b72c8cb1444/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0