./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:39:01,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:39:01,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:39:01,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:39:01,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:39:01,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:39:01,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:39:01,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:39:01,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:39:01,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:39:01,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:39:01,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:39:01,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:39:01,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:39:01,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:39:01,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:39:01,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:39:01,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:39:01,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:39:01,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:39:01,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:39:01,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:39:01,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:39:01,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:39:01,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:39:01,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:39:01,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:39:01,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:39:01,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:01,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:39:01,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:39:01,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:39:01,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:39:01,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:39:01,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:39:01,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a [2023-12-03 04:39:01,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:39:01,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:39:01,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:39:01,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:39:01,926 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:39:01,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2023-12-03 04:39:04,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:39:04,854 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:39:04,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2023-12-03 04:39:04,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data/c6eb65684/0748e6af96fd424d8948c4b3d3307aaa/FLAGe8b662835 [2023-12-03 04:39:04,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data/c6eb65684/0748e6af96fd424d8948c4b3d3307aaa [2023-12-03 04:39:04,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:39:04,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:39:04,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:04,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:39:04,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:39:04,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:04" (1/1) ... [2023-12-03 04:39:04,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd0081b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:04, skipping insertion in model container [2023-12-03 04:39:04,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:04" (1/1) ... [2023-12-03 04:39:04,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:39:05,046 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-03 04:39:05,050 INFO L158 Benchmark]: Toolchain (without parser) took 169.97ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 101.8MB in the end (delta: 8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:39:05,051 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:39:05,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.32ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 101.8MB in the end (delta: 8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:39:05,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.32ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 101.8MB in the end (delta: 8.5MB). Peak memory consumption was 6.3MB. 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:610) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:39:06,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:39:06,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:39:06,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:39:06,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:39:06,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:39:06,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:39:06,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:39:06,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:39:06,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:39:06,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:39:06,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:39:06,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:39:06,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:39:06,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:39:06,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:39:06,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:39:06,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:39:06,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:39:06,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:39:06,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:39:06,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:39:06,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:39:06,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:39:06,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:39:06,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:39:06,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:39:06,963 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:06,963 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:39:06,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:39:06,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:06,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:39:06,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:39:06,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:39:06,965 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:39:06,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:06,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:39:06,966 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:39:06,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:39:06,966 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a [2023-12-03 04:39:07,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:39:07,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:39:07,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:39:07,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:39:07,278 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:39:07,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2023-12-03 04:39:10,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:39:10,236 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:39:10,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i [2023-12-03 04:39:10,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data/e47c67e61/f430dd3cd43e49cfbd07ad20e75d66b4/FLAG21837d3f3 [2023-12-03 04:39:10,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/data/e47c67e61/f430dd3cd43e49cfbd07ad20e75d66b4 [2023-12-03 04:39:10,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:39:10,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:39:10,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:10,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:39:10,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:39:10,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fe30a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10, skipping insertion in model container [2023-12-03 04:39:10,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:39:10,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:10,488 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:39:10,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:10,538 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:39:10,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10 WrapperNode [2023-12-03 04:39:10,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:10,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:39:10,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:39:10,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:39:10,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,584 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-12-03 04:39:10,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:39:10,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:39:10,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:39:10,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:39:10,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:39:10,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:39:10,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:39:10,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:39:10,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:10" (1/1) ... [2023-12-03 04:39:10,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:39:10,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:39:10,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:39:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:39:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:39:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:39:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:39:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:39:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:39:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:39:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:39:10,768 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:39:10,770 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:39:21,686 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:39:21,780 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:39:21,780 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:39:21,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:21 BoogieIcfgContainer [2023-12-03 04:39:21,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:39:21,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:39:21,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:39:21,792 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:39:21,793 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:21" (1/1) ... [2023-12-03 04:39:21,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:39:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-03 04:39:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 04:39:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:39:21,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:21,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:21,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:21,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:21,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:39:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:21,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:23,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:39:23,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:39:23,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 04:39:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 04:39:24,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:39:24,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:24,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:24,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:24,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:24,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:39:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:28,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:30,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:30,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:39:30,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:39:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-12-03 04:39:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-03 04:39:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:39:31,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:31,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:31,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:31,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:31,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:39:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:35,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:37,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:39:37,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:39:38,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:39:41,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-12-03 04:39:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-12-03 04:39:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:39:41,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:41,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:41,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:39:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:46,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:48,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:39:48,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 04:39:50,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:39:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2023-12-03 04:39:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-12-03 04:39:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:39:56,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:56,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:56,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:56,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:56,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:40:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:00,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:03,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:40:03,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 04:40:06,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:40:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2023-12-03 04:40:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-12-03 04:40:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 04:40:13,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:13,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:13,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:13,582 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:13,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:40:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:18,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:21,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:40:21,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-03 04:40:24,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:40:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2023-12-03 04:40:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2023-12-03 04:40:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 04:40:33,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:33,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:33,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:33,963 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:33,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:40:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:38,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:41,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:40:41,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 04:40:46,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:40:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2023-12-03 04:40:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2023-12-03 04:40:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 04:40:56,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:56,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:56,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:56,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:41:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:02,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:04,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:41:04,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 633 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 04:41:11,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:41:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2023-12-03 04:41:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2023-12-03 04:41:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-03 04:41:23,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:23,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:23,660 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:23,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:41:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:29,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:32,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:41:32,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 412 proven. 430 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-03 04:41:36,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:41:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-12-03 04:41:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-12-03 04:41:39,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:41:39,998 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2023-12-03 04:41:40,007 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 04:41:42,955 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:41:42,958 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-12-03 04:41:42,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:41:42 ImpRootNode [2023-12-03 04:41:42,962 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:41:42,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:41:42,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:41:42,963 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:41:42,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:21" (3/4) ... [2023-12-03 04:41:42,965 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:41:42,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 04:41:42,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 04:41:42,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-12-03 04:41:42,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 04:41:42,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:41:42,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:41:42,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:41:43,058 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:41:43,058 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:41:43,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:41:43,059 INFO L158 Benchmark]: Toolchain (without parser) took 152797.77ms. Allocated memory is still 107.0MB. Free memory was 83.3MB in the beginning and 55.0MB in the end (delta: 28.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,059 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:43,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.74ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 70.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.45ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,060 INFO L158 Benchmark]: Boogie Preprocessor took 36.05ms. Allocated memory is still 107.0MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,061 INFO L158 Benchmark]: RCFGBuilder took 11159.55ms. Allocated memory is still 107.0MB. Free memory was 66.8MB in the beginning and 70.7MB in the end (delta: -3.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,061 INFO L158 Benchmark]: CodeCheck took 141179.43ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 60.2MB in the end (delta: 10.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,061 INFO L158 Benchmark]: Witness Printer took 95.92ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 55.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:41:43,063 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: 138.2s, 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, 92.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468 mSDsluCounter, 629 SdHoareTripleChecker+Invalid, 86.9s 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, 38.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 17.1s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 565 ConstructedInterpolants, 0 QuantifiedInterpolants, 1611 SizeOfPredicates, 60 NumberOfNonLiveVariables, 1488 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 - 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: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((2 == counter) || (3 == counter)) || (counter == 1)) || (counter == 5)) || (counter == 0)) || (4 == counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.74ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 70.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.45ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.05ms. Allocated memory is still 107.0MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11159.55ms. Allocated memory is still 107.0MB. Free memory was 66.8MB in the beginning and 70.7MB in the end (delta: -3.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 141179.43ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 60.2MB in the end (delta: 10.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 95.92ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 55.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:41:43,272 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:41:43,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b5bc8e-429c-42b6-a7b7-746b8cb1c729/bin/ukojak-verify-Qdu7aM0XO9/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