./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/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_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:46:32,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:46:32,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:46:32,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:46:32,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:46:32,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:46:32,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:46:32,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:46:32,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:46:32,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:46:32,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:46:32,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:46:32,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:46:32,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:32,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:46:32,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:46:32,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:46:32,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:46:32,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:46:32,100 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_bec160ce-52ee-4408-bf40-79ae51178de2/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 ! overflow) ) 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 -> ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a [2024-12-06 04:46:32,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:46:32,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:46:32,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:46:32,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:46:32,312 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:46:32,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2024-12-06 04:46:34,944 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/495e4e1ed/3bed82ccc5c6494d81078a8889844948/FLAGd86a03b53 [2024-12-06 04:46:35,130 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:46:35,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2024-12-06 04:46:35,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/495e4e1ed/3bed82ccc5c6494d81078a8889844948/FLAGd86a03b53 [2024-12-06 04:46:35,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/495e4e1ed/3bed82ccc5c6494d81078a8889844948 [2024-12-06 04:46:35,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:46:35,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:46:35,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:35,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:46:35,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:46:35,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:35" (1/1) ... [2024-12-06 04:46:35,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1bfbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:35, skipping insertion in model container [2024-12-06 04:46:35,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:35" (1/1) ... [2024-12-06 04:46:35,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:46:35,672 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:46:35,677 INFO L158 Benchmark]: Toolchain (without parser) took 139.72ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:46:35,678 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:35,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.48ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 84.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:46:35,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.48ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 84.2MB in the end (delta: 9.3MB). 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_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/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_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:46:37,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:46:37,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 04:46:37,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:46:37,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:46:37,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:46:37,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:46:37,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:46:37,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:46:37,568 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:46:37,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:46:37,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:46:37,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:37,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:37,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:46:37,570 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_bec160ce-52ee-4408-bf40-79ae51178de2/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 ! overflow) ) 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 -> ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a [2024-12-06 04:46:37,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:46:37,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:46:37,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:46:37,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:46:37,832 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:46:37,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2024-12-06 04:46:40,495 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/04811fa06/10755fd4047143b394de045c9016ec1c/FLAG71830905a [2024-12-06 04:46:40,684 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:46:40,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2024-12-06 04:46:40,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/04811fa06/10755fd4047143b394de045c9016ec1c/FLAG71830905a [2024-12-06 04:46:40,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/data/04811fa06/10755fd4047143b394de045c9016ec1c [2024-12-06 04:46:40,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:46:40,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:46:40,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:40,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:46:40,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:46:40,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5539219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40, skipping insertion in model container [2024-12-06 04:46:40,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:46:40,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:40,874 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:46:40,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:40,913 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:46:40,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40 WrapperNode [2024-12-06 04:46:40,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:40,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:40,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:46:40,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:46:40,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,944 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-12-06 04:46:40,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:40,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:46:40,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:46:40,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:46:40,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:46:40,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:46:40,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:46:40,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:46:40,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:40" (1/1) ... [2024-12-06 04:46:40,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:40,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:46:40,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:46:40,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:46:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:46:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:46:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:46:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:46:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:46:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:46:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:46:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:46:41,076 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:46:41,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:46:51,978 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 04:46:51,978 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:46:52,061 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:46:52,061 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:46:52,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:52 BoogieIcfgContainer [2024-12-06 04:46:52,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:46:52,062 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:46:52,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:46:52,072 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:46:52,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:52" (1/1) ... [2024-12-06 04:46:52,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:46:52,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 04:46:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 04:46:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:46:52,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:52,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:52,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:52,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:52,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:46:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:52,222 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:53,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:46:53,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:46:53,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:46:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 04:46:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 04:46:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:46:53,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:53,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:53,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:53,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:53,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:46:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:57,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:58,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:46:58,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:46:58,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:46:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 04:46:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 04:46:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:46:59,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:59,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:59,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:59,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:59,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:47:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:03,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:04,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:47:04,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 04:47:06,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:47:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-12-06 04:47:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-06 04:47:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 04:47:10,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:10,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:10,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:47:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:14,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:15,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:47:15,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:47:18,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:47:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:25,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-12-06 04:47:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-12-06 04:47:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 04:47:25,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:25,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:25,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:25,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:25,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:47:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:30,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:31,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:47:31,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-06 04:47:35,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:47:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2024-12-06 04:47:44,595 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-12-06 04:47:44,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 04:47:44,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:44,598 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:44,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:47:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:49,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:50,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:47:50,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-06 04:47:55,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:48:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2024-12-06 04:48:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2024-12-06 04:48:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-06 04:48:07,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:07,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:07,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:07,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:07,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:48:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:12,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:13,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:48:13,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 04:48:21,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:48:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2024-12-06 04:48:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-12-06 04:48:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 04:48:35,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:35,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:35,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:35,073 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:35,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:48:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:40,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:41,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:48:41,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 633 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-12-06 04:48:50,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:49:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2024-12-06 04:49:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-12-06 04:49:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-06 04:49:07,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:07,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:07,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:07,011 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:07,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:49:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:12,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:13,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:49:13,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 412 proven. 430 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 04:49:19,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:49:25,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2024-12-06 04:49:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-12-06 04:49:25,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:49:25,604 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 04:49:25,612 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 04:49:45,352 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-06 04:49:45,352 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point L44(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point L40-1(line 40) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv3 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv1 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv0 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv2 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv4 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv5 32))))) [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point L40-2(line 40) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv3 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv1 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv0 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv2 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv4 32))) (not (= |ULTIMATE.start_main_#t~post4#1| (_ bv5 32))))) [2024-12-06 04:49:45,353 INFO L77 FloydHoareUtils]: At program point L40-3(lines 40 70) the Hoare annotation is: (or (and (= (_ bv6 32) ~counter~0) (= |ULTIMATE.start_main_#t~post4#1| (_ bv5 32))) (= (_ bv5 32) ~counter~0) (= (_ bv1 32) ~counter~0) (= (_ bv3 32) ~counter~0) (= (_ bv4 32) ~counter~0) (= (_ bv2 32) ~counter~0)) [2024-12-06 04:49:45,354 INFO L77 FloydHoareUtils]: At program point L40-4(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,354 INFO L77 FloydHoareUtils]: At program point L40-6(lines 40 70) the Hoare annotation is: true [2024-12-06 04:49:45,354 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-06 04:49:45,354 INFO L77 FloydHoareUtils]: At program point L32-1(line 32) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-06 04:49:45,354 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2024-12-06 04:49:45,354 INFO L77 FloydHoareUtils]: At program point L57-2(lines 40 70) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv0 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,354 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,355 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,355 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-06 04:49:45,355 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 15 17) the Hoare annotation is: (= (_ bv0 32) ~counter~0) [2024-12-06 04:49:45,355 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,355 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= (_ bv2 32) ~counter~0)) (not (= (_ bv5 32) ~counter~0)) (not (= (_ bv1 32) ~counter~0)) (not (= (_ bv3 32) ~counter~0)) (not (= (_ bv4 32) ~counter~0)))) [2024-12-06 04:49:45,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:49:45 ImpRootNode [2024-12-06 04:49:45,374 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:49:45,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:49:45,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:49:45,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:49:45,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:52" (3/4) ... [2024-12-06 04:49:45,377 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:49:45,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 04:49:45,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 04:49:45,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-12-06 04:49:45,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-06 04:49:45,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 04:49:45,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:49:45,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:49:45,459 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:49:45,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:49:45,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:49:45,460 INFO L158 Benchmark]: Toolchain (without parser) took 184752.97ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 48.5MB in the end (delta: 21.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-12-06 04:49:45,461 INFO L158 Benchmark]: CDTParser took 0.33ms. 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 04:49:45,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.57ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:45,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.75ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:45,462 INFO L158 Benchmark]: Boogie Preprocessor took 18.53ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 54.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:45,462 INFO L158 Benchmark]: RCFGBuilder took 11097.61ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 57.5MB in the end (delta: -3.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 04:49:45,462 INFO L158 Benchmark]: CodeCheck took 173311.10ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 53.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-12-06 04:49:45,462 INFO L158 Benchmark]: Witness Printer took 85.66ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 48.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:45,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 153.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 676 SdHoareTripleChecker+Valid, 87.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468 mSDsluCounter, 629 SdHoareTripleChecker+Invalid, 83.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 736 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1745 IncrementalHoareTripleChecker+Invalid, 2481 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 736 mSolverCounterUnsat, 407 mSDtfsCounter, 1745 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4236 GetRequests, 4170 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1341 ImplicationChecksByTransitivity, 58.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 39.5s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 565 ConstructedInterpolants, 0 QuantifiedInterpolants, 1611 SizeOfPredicates, 60 NumberOfNonLiveVariables, 1358 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 806/2734 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: !((((((2 != counter) && (0 != counter)) && (5 != counter)) && (1 != counter)) && (3 != counter)) && (4 != counter)) - ProcedureContractResult [Line: 15]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (0 == counter) Ensures: ((0 == counter) && (counter == \old(counter))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (((((5 == counter) || (1 == counter)) || (3 == counter)) || (4 == counter)) || (2 == counter)) Ensures: ((((((5 == counter) || (1 == counter)) || (3 == counter)) || (4 == counter)) || (2 == counter)) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.57ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.75ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.53ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 54.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11097.61ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 57.5MB in the end (delta: -3.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 173311.10ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 53.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 85.66ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 48.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:49:45,673 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:49:45,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec160ce-52ee-4408-bf40-79ae51178de2/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: TRUE