./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:54,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:54,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:58:54,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:54,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:54,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:54,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:54,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:54,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:54,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:54,365 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:54,366 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:54,367 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:54,368 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:54,369 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:54,369 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:54,370 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:54,370 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:54,370 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:54,371 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:54,373 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:54,373 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:54,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:54,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:54,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:54,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:54,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:54,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:54,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:54,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:54,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:54,379 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:58:54,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:58:54,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:54,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:54,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:54,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:54,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:54,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:54,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:54,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:54,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:54,392 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:54,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:54,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:54,393 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:54,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:54,393 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b [2023-11-19 04:58:54,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:54,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:54,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:54,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:54,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:54,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2023-11-19 04:58:57,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:58,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:58,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2023-11-19 04:58:58,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data/dac04400a/a8bab13fd313435c88d9db25f320cd59/FLAG2352abd3f [2023-11-19 04:58:58,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data/dac04400a/a8bab13fd313435c88d9db25f320cd59 [2023-11-19 04:58:58,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:58,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:58,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:58,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:58,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:58,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:58" (1/1) ... [2023-11-19 04:58:58,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768a0385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:58, skipping insertion in model container [2023-11-19 04:58:58,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:58" (1/1) ... [2023-11-19 04:58:58,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:58,413 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:2254) 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:1484) 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:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1510) 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:3408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2429) 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) [2023-11-19 04:58:58,418 INFO L158 Benchmark]: Toolchain (without parser) took 223.64ms. Allocated memory is still 153.1MB. Free memory was 120.8MB in the beginning and 111.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:58:58,419 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:58,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.78ms. Allocated memory is still 153.1MB. Free memory was 120.8MB in the beginning and 111.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:58:58,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.78ms. Allocated memory is still 153.1MB. Free memory was 120.8MB in the beginning and 111.9MB in the end (delta: 9.0MB). 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: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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:00,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:01,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-19 04:59:01,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:01,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:01,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:01,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:01,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:01,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:01,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:01,135 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:01,135 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:01,136 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:01,137 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:01,138 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:01,138 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:01,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:01,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:01,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:01,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:01,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:01,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:01,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:01,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:01,143 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:01,144 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:01,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:59:01,145 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:01,145 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:01,145 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:01,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:01,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:01,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:01,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:01,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:01,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:01,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:01,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:01,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:01,150 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:01,150 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:01,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:01,151 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:01,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:01,152 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_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b [2023-11-19 04:59:01,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:01,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:01,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:01,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:01,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:01,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2023-11-19 04:59:04,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:04,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:04,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2023-11-19 04:59:04,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data/a51506d4c/ec34910525894645b4bbbe4dc6304ed8/FLAG76ed73030 [2023-11-19 04:59:05,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/data/a51506d4c/ec34910525894645b4bbbe4dc6304ed8 [2023-11-19 04:59:05,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:05,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:05,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:05,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:05,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:05,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7c2d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05, skipping insertion in model container [2023-11-19 04:59:05,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:05,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:05,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:05,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:05,458 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:05,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05 WrapperNode [2023-11-19 04:59:05,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:05,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:05,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:05,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:05,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,535 INFO L138 Inliner]: procedures = 18, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-19 04:59:05,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:05,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:05,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:05,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:05,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:05,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:05,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:05,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:05,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (1/1) ... [2023-11-19 04:59:05,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:05,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:05,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:05,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:59:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:59:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:59:05,788 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:05,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:08,739 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:08,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:08,749 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:08,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:08 BoogieIcfgContainer [2023-11-19 04:59:08,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:08,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:08,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:08,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:08,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:05" (1/3) ... [2023-11-19 04:59:08,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70493ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:08, skipping insertion in model container [2023-11-19 04:59:08,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:05" (2/3) ... [2023-11-19 04:59:08,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70493ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:08, skipping insertion in model container [2023-11-19 04:59:08,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:08" (3/3) ... [2023-11-19 04:59:08,764 INFO L112 eAbstractionObserver]: Analyzing ICFG knuth_valuebound20.i [2023-11-19 04:59:08,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:08,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 04:59:08,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70493ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:08, skipping insertion in model container [2023-11-19 04:59:08,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:08,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:08,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:08,791 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:08,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:08" (3/3) ... [2023-11-19 04:59:08,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:59:08,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:59:08,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:59:08,806 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 04:59:08,807 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 04:59:08,807 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:59:08,808 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:59:08,808 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:59:08,925 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:59:08,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:59:08,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:08,928 INFO L158 Benchmark]: Toolchain (without parser) took 3908.02ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.9MB in the beginning and 46.6MB in the end (delta: -785.9kB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,929 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 61.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:08,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.76ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 33.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.11ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 71.8MB in the end (delta: -38.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,934 INFO L158 Benchmark]: Boogie Preprocessor took 66.05ms. Allocated memory is still 92.3MB. Free memory was 71.8MB in the beginning and 70.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,935 INFO L158 Benchmark]: RCFGBuilder took 3150.11ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 54.5MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,935 INFO L158 Benchmark]: TraceAbstraction took 33.22ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,936 INFO L158 Benchmark]: Witness Printer took 136.68ms. Allocated memory is still 92.3MB. Free memory was 51.7MB in the beginning and 46.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:08,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 61.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.76ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 33.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.11ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 71.8MB in the end (delta: -38.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.05ms. Allocated memory is still 92.3MB. Free memory was 71.8MB in the beginning and 70.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3150.11ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 54.5MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33.22ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 136.68ms. Allocated memory is still 92.3MB. Free memory was 51.7MB in the beginning and 46.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:59:09,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74a9850-a8b3-4321-be6f-ed7a3c9b9131/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE