./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/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_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/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 32bit --witnessprinter.graph.data.programhash f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:56:00,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:56:00,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:56:00,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:56:00,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:56:00,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:56:00,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:56:00,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:56:00,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:56:00,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:56:00,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:56:00,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:56:00,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:56:00,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:56:00,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:56:00,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:56:00,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:56:00,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:00,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:56:00,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:56:00,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:56:00,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:56:00,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:56:00,301 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b [2024-12-05 23:56:00,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:56:00,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:56:00,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:56:00,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:56:00,545 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:56:00,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-12-05 23:56:03,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/090cb9921/07217e27116e4e14981457b59011b86b/FLAGe7a24a031 [2024-12-05 23:56:03,402 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:56:03,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-12-05 23:56:03,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/090cb9921/07217e27116e4e14981457b59011b86b/FLAGe7a24a031 [2024-12-05 23:56:03,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/090cb9921/07217e27116e4e14981457b59011b86b [2024-12-05 23:56:03,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:56:03,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:56:03,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:03,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:56:03,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:56:03,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:03" (1/1) ... [2024-12-05 23:56:03,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e5df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:03, skipping insertion in model container [2024-12-05 23:56:03,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:03" (1/1) ... [2024-12-05 23:56:03,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:56:03,895 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i[948,961] [2024-12-05 23:56:03,907 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:56:03,913 INFO L158 Benchmark]: Toolchain (without parser) took 139.87ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 83.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:56:03,914 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:56:03,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.28ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 83.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:56:03,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.28ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 83.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/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_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/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 32bit --witnessprinter.graph.data.programhash f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:56:05,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:56:05,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:56:05,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:56:05,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:56:05,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:56:05,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:56:05,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:56:05,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:56:05,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:56:05,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:56:05,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:56:05,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:56:05,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:56:05,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:56:05,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:56:05,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:56:05,840 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:05,840 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:56:05,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:56:05,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:05,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:56:05,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:56:05,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:56:05,841 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:56:05,841 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:05,841 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:56:05,841 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b [2024-12-05 23:56:06,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:56:06,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:56:06,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:56:06,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:56:06,077 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:56:06,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-12-05 23:56:08,720 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/6cee91515/e18781d5c5c24256a42327b5de84afa4/FLAG9d3a4e9d1 [2024-12-05 23:56:08,921 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:56:08,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-12-05 23:56:08,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/6cee91515/e18781d5c5c24256a42327b5de84afa4/FLAG9d3a4e9d1 [2024-12-05 23:56:08,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/data/6cee91515/e18781d5c5c24256a42327b5de84afa4 [2024-12-05 23:56:08,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:56:08,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:56:08,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:08,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:56:08,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:56:08,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eebe6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08, skipping insertion in model container [2024-12-05 23:56:08,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:56:09,107 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i[948,961] [2024-12-05 23:56:09,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:56:09,149 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:56:09,161 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_7b7b2477-82d3-4b91-8fbe-9252937051ee/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i[948,961] [2024-12-05 23:56:09,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:56:09,193 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:56:09,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09 WrapperNode [2024-12-05 23:56:09,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:09,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:56:09,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:56:09,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:56:09,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,225 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-12-05 23:56:09,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:56:09,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:56:09,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:56:09,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:56:09,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,242 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:56:09,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:56:09,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:56:09,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:56:09,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:09" (1/1) ... [2024-12-05 23:56:09,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:09,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:56:09,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:56:09,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:56:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:56:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:56:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:56:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:56:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:56:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:56:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:56:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:56:09,355 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:56:09,357 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:56:20,127 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:56:20,127 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:56:20,207 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:56:20,207 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:56:20,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:56:20 BoogieIcfgContainer [2024-12-05 23:56:20,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:56:20,208 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:56:20,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:56:20,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:56:20,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:56:20" (1/1) ... [2024-12-05 23:56:20,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:56:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-05 23:56:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-05 23:56:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:56:20,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:20,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:20,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:20,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:56:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:30,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:33,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:56:33,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 23:56:40,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:56:53,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:03,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:16,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:18,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:28,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:31,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 37 transitions. [2024-12-05 23:57:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-12-05 23:57:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:57:32,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:32,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:32,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:32,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:57:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:36,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:57:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:37,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:57:37,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 23:57:38,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:57:58,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 42 transitions. [2024-12-05 23:57:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-05 23:57:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:57:59,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:59,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:59,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:59,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:59,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:58:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:08,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:58:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:11,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:58:11,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:58:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:58:26,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:58:45,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:02,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:04,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:05,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:18,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:21,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 53 transitions. [2024-12-05 23:59:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-05 23:59:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:59:22,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:22,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:59:22,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:59:22,229 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:59:22,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:59:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:26,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:59:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:29,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:59:29,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:59:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:59:40,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 23:59:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 57 transitions. [2024-12-05 23:59:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2024-12-05 23:59:45,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:59:45,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:45,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:59:45,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:59:45,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:59:45,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:59:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:52,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:02,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 00:00:02,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:35,324 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:00:41,318 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 45 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:01:06,658 WARN L286 SmtUtils]: Spent 25.34s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:01:26,653 WARN L286 SmtUtils]: Spent 15.11s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:01:39,143 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 49 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:01:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 00:01:46,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 00:02:33,108 WARN L286 SmtUtils]: Spent 18.47s on a formula simplification. DAG size of input: 78 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:02:46,613 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:03:10,015 WARN L286 SmtUtils]: Spent 18.46s on a formula simplification. DAG size of input: 80 DAG size of output: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:03:25,281 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:03:35,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:03:57,994 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:04:08,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:11,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:13,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:19,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:24,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:25,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:30,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:04:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 68 transitions. [2024-12-06 00:04:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2024-12-06 00:04:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 00:04:31,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:04:31,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:04:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:04:31,097 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:04:31,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:04:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:35,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:04:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:04:45,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 00:04:45,775 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 00:04:45,778 INFO L158 Benchmark]: Toolchain (without parser) took 516831.15ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 62.1MB in the end (delta: 7.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-12-06 00:04:45,778 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:45,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.45ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:04:45,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.58ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:04:45,779 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:45,779 INFO L158 Benchmark]: RCFGBuilder took 10958.06ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 59.0MB in the end (delta: -5.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-06 00:04:45,780 INFO L158 Benchmark]: CodeCheck took 505569.22ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 62.1MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:45,781 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.45ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.58ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10958.06ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 59.0MB in the end (delta: -5.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 505569.22ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 62.1MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:04:45,986 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:04:46,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b2477-82d3-4b91-8fbe-9252937051ee/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown