./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b --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 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:06,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:06,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:12:06,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:12:06,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:12:06,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:06,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:06,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:06,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:06,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:06,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:06,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:06,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:06,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:06,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:06,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:06,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:12:06,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b 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 -> 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 [2024-12-06 05:12:06,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:06,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:06,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:06,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:06,409 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:06,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-06 05:12:09,108 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/8c48947c7/49b72a1b2d134487bfb14ff84c652499/FLAG550737dcc [2024-12-06 05:12:09,364 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:09,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-06 05:12:09,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/8c48947c7/49b72a1b2d134487bfb14ff84c652499/FLAG550737dcc [2024-12-06 05:12:09,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/8c48947c7/49b72a1b2d134487bfb14ff84c652499 [2024-12-06 05:12:09,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:09,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:09,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:09,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:09,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:09,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:09,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a58fd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09, skipping insertion in model container [2024-12-06 05:12:09,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:09,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:09,547 WARN L250 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_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-06 05:12:09,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:09,747 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:09,755 WARN L250 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_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-06 05:12:09,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:09,848 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:09,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09 WrapperNode [2024-12-06 05:12:09,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:09,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:09,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:09,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:09,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:09,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,059 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1979 [2024-12-06 05:12:10,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:10,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:10,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:10,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:10,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:10,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:10,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:10,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:10,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:09" (1/1) ... [2024-12-06 05:12:10,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:10,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:10,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:10,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:12:10,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:12:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:12:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:10,484 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:10,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:12:13,164 INFO L? ?]: Removed 1004 outVars from TransFormulas that were not future-live. [2024-12-06 05:12:13,164 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:12:16,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:12:16,568 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:12:16,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:16 BoogieIcfgContainer [2024-12-06 05:12:16,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:12:16,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:12:16,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:12:16,579 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:12:16,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:16" (1/1) ... [2024-12-06 05:12:16,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:12:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 05:12:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 05:12:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:12:16,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:12:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:12:20,117 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:12:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:12:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:12:32,816 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:485) 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) [2024-12-06 05:12:32,821 INFO L158 Benchmark]: Toolchain (without parser) took 23427.15ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 91.8MB in the beginning and 422.6MB in the end (delta: -330.8MB). Peak memory consumption was 399.6MB. Max. memory is 16.1GB. [2024-12-06 05:12:32,821 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:32,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.27ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 57.2MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:12:32,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.01ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 57.2MB in the beginning and 182.4MB in the end (delta: -125.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-12-06 05:12:32,822 INFO L158 Benchmark]: Boogie Preprocessor took 171.21ms. Allocated memory is still 234.9MB. Free memory was 182.4MB in the beginning and 173.7MB in the end (delta: 8.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-12-06 05:12:32,823 INFO L158 Benchmark]: RCFGBuilder took 6336.72ms. Allocated memory was 234.9MB in the beginning and 629.1MB in the end (delta: 394.3MB). Free memory was 173.7MB in the beginning and 323.1MB in the end (delta: -149.4MB). Peak memory consumption was 398.6MB. Max. memory is 16.1GB. [2024-12-06 05:12:32,823 INFO L158 Benchmark]: CodeCheck took 16250.53ms. Allocated memory was 629.1MB in the beginning and 847.2MB in the end (delta: 218.1MB). Free memory was 323.1MB in the beginning and 422.6MB in the end (delta: -99.5MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-12-06 05:12:32,826 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.27ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 57.2MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.01ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 57.2MB in the beginning and 182.4MB in the end (delta: -125.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.21ms. Allocated memory is still 234.9MB. Free memory was 182.4MB in the beginning and 173.7MB in the end (delta: 8.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * RCFGBuilder took 6336.72ms. Allocated memory was 234.9MB in the beginning and 629.1MB in the end (delta: 394.3MB). Free memory was 173.7MB in the beginning and 323.1MB in the end (delta: -149.4MB). Peak memory consumption was 398.6MB. Max. memory is 16.1GB. * CodeCheck took 16250.53ms. Allocated memory was 629.1MB in the beginning and 847.2MB in the end (delta: 218.1MB). Free memory was 323.1MB in the beginning and 422.6MB in the end (delta: -99.5MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:12:32,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b --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 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:34,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:34,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:12:35,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:35,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:35,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:35,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:35,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:35,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:35,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:35,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:35,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:35,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:35,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:35,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:35,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:12:35,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:35,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:35,003 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:12:35,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b 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 -> 0cc1df8b460086dc2c8e81ed9dc44fcfcc5d4615833dbf347c269d9f2b0ea709 [2024-12-06 05:12:35,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:35,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:35,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:35,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:35,256 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:35,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-06 05:12:37,977 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/27f8aabb9/e6d5fa3fd06245799e05aa45268e221d/FLAGf1877d233 [2024-12-06 05:12:38,219 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:38,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c [2024-12-06 05:12:38,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/27f8aabb9/e6d5fa3fd06245799e05aa45268e221d/FLAGf1877d233 [2024-12-06 05:12:38,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/data/27f8aabb9/e6d5fa3fd06245799e05aa45268e221d [2024-12-06 05:12:38,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:38,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:38,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:38,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:38,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:38,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177557db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38, skipping insertion in model container [2024-12-06 05:12:38,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:38,445 WARN L250 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_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-06 05:12:38,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:38,647 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:38,655 WARN L250 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_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.safe_intersymbol_analog_estimation_convergence.c[1311,1324] [2024-12-06 05:12:38,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:38,763 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:38,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38 WrapperNode [2024-12-06 05:12:38,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:38,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:38,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:38,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:38,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,821 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2024-12-06 05:12:38,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:38,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:38,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:38,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:38,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:38,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:38,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:38,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:38,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:38,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:38,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:38,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:12:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:12:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:12:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:39,121 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:39,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:12:39,774 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-12-06 05:12:39,774 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:12:39,834 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:12:39,834 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:12:39,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:39 BoogieIcfgContainer [2024-12-06 05:12:39,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:12:39,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:12:39,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:12:39,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:12:39,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:39" (1/1) ... [2024-12-06 05:12:39,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:12:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 05:12:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 05:12:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:12:39,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:39,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:39,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:39,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:12:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:40,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:40,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:12:40,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:12:40,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:12:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 05:12:41,283 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 05:12:41,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:12:41,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:41,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:41,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:41,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:41,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:12:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:42,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:42,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 05:12:42,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:12:42,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 05:12:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 05:12:45,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 05:12:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 05:12:45,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:45,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:45,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:45,469 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:12:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:46,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:46,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 05:12:46,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 05:12:47,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:12:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 57 transitions. [2024-12-06 05:12:52,285 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-06 05:12:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 05:12:52,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:52,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:52,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:52,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:52,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:12:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:53,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:53,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 05:12:53,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 05:12:55,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:13:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 96 transitions. [2024-12-06 05:13:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-12-06 05:13:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 05:13:06,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:06,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:06,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:06,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:06,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:13:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:08,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:08,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 05:13:08,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 05:13:10,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:13:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 114 transitions. [2024-12-06 05:13:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-12-06 05:13:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 05:13:17,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:17,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:17,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:17,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:17,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:13:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:19,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:20,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 05:13:20,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 05:13:22,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:13:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 132 transitions. [2024-12-06 05:13:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2024-12-06 05:13:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 05:13:31,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:31,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:31,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:31,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:31,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830cb3f-2ad1-49cf-8656-a15e2e7ae749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:15:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:42,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:44,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 698 conjuncts are in the unsatisfiable core [2024-12-06 05:15:44,477 INFO L279 TraceCheckSpWp]: Computing forward predicates...