./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:49:36,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:49:36,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:49:36,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:49:36,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:49:36,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:49:36,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:49:36,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:49:36,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:49:36,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:49:36,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:49:36,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:49:36,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:49:36,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:49:36,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:49:36,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:49:36,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:49:36,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:49:36,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:49:36,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:49:36,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:49:36,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:49:36,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:49:36,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:49:36,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:49:36,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:49:36,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:49:36,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:49:36,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:49:36,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:49:36,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:49:36,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:49:36,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:49:36,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:49:36,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:49:36,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:49:36,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:49:36,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:49:36,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:49:36,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:49:36,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:49:36,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 22:49:36,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:49:36,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:49:36,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:49:36,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:49:36,649 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:49:36,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:49:36,649 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:49:36,649 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:49:36,650 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:49:36,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:49:36,650 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:49:36,651 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:49:36,651 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:49:36,651 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:49:36,652 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:49:36,652 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:49:36,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:49:36,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:49:36,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:49:36,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:49:36,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:49:36,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:49:36,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:49:36,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:49:36,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:49:36,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:49:36,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:49:36,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:49:36,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:49:36,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:49:36,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:49:36,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:49:36,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:49:36,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:49:36,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:49:36,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:49:36,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:49:36,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:49:36,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:49:36,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:49:36,659 INFO L138 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_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b [2021-11-12 22:49:36,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:49:36,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:49:36,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:49:36,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:49:36,901 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:49:36,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2021-11-12 22:49:36,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/e99d452c9/a66edccf4a3649fea3153c9983cf5abd/FLAGa0b24117d [2021-11-12 22:49:37,466 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:49:37,467 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2021-11-12 22:49:37,473 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/e99d452c9/a66edccf4a3649fea3153c9983cf5abd/FLAGa0b24117d [2021-11-12 22:49:37,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/e99d452c9/a66edccf4a3649fea3153c9983cf5abd [2021-11-12 22:49:37,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:49:37,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:49:37,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:37,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:49:37,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:49:37,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:37" (1/1) ... [2021-11-12 22:49:37,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e8cf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:37, skipping insertion in model container [2021-11-12 22:49:37,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:37" (1/1) ... [2021-11-12 22:49:37,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:49:37,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:49:38,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i[948,961] [2021-11-12 22:49:38,067 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:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1759) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2021-11-12 22:49:38,072 INFO L158 Benchmark]: Toolchain (without parser) took 215.10ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 56.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 22:49:38,073 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:49:38,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.56ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 56.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 22:49:38,075 INFO L339 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 94.4MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.56ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 56.7MB in the end (delta: 8.2MB). 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:49:40,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:49:40,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:49:40,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:49:40,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:49:40,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:49:40,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:49:40,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:49:40,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:49:40,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:49:40,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:49:40,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:49:40,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:49:40,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:49:40,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:49:40,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:49:40,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:49:40,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:49:40,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:49:40,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:49:40,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:49:40,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:49:40,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:49:40,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:49:40,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:49:40,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:49:40,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:49:40,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:49:40,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:49:40,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:49:40,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:49:40,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:49:40,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:49:40,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:49:40,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:49:40,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:49:40,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:49:40,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:49:40,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:49:40,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:49:40,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:49:40,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 22:49:40,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:49:40,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:49:40,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:49:40,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:49:40,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:49:40,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:49:40,432 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:49:40,432 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:49:40,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:49:40,433 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:49:40,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:49:40,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:49:40,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:49:40,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:49:40,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:49:40,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:49:40,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:49:40,436 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:49:40,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:49:40,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:49:40,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:49:40,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:49:40,437 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:49:40,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:49:40,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:49:40,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:49:40,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:49:40,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:49:40,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:49:40,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:49:40,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:49:40,439 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:49:40,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:49:40,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:49:40,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:49:40,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:49:40,440 INFO L138 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_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8666e561276f52fdb57f95324433fec798c5d47b9bb4ca4cdc06eae6ff06b [2021-11-12 22:49:40,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:49:40,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:49:40,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:49:40,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:49:40,826 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:49:40,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2021-11-12 22:49:40,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/1a66a72a2/1b4aac96fca24f9d855c4c0ac2c57444/FLAGda945151e [2021-11-12 22:49:41,435 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:49:41,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2021-11-12 22:49:41,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/1a66a72a2/1b4aac96fca24f9d855c4c0ac2c57444/FLAGda945151e [2021-11-12 22:49:41,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/data/1a66a72a2/1b4aac96fca24f9d855c4c0ac2c57444 [2021-11-12 22:49:41,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:49:41,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:49:41,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:41,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:49:41,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:49:41,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:41" (1/1) ... [2021-11-12 22:49:41,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b25cd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:41, skipping insertion in model container [2021-11-12 22:49:41,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:41" (1/1) ... [2021-11-12 22:49:41,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:49:41,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:49:42,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i[948,961] [2021-11-12 22:49:42,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:49:42,147 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:49:42,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i[948,961] [2021-11-12 22:49:42,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:49:42,241 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:49:42,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42 WrapperNode [2021-11-12 22:49:42,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:42,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:49:42,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:49:42,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:49:42,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:49:42,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:49:42,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:49:42,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:49:42,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:49:42,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:49:42,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:49:42,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:49:42,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (1/1) ... [2021-11-12 22:49:42,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:49:42,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:49:42,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:49:42,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:49:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:49:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:49:42,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:49:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:49:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:49:42,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:49:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 22:49:42,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 22:49:45,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:49:45,388 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 22:49:45,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:49:45 BoogieIcfgContainer [2021-11-12 22:49:45,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:49:45,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:49:45,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:49:45,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:49:45,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:49:41" (1/3) ... [2021-11-12 22:49:45,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb47e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:49:45, skipping insertion in model container [2021-11-12 22:49:45,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:42" (2/3) ... [2021-11-12 22:49:45,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb47e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:49:45, skipping insertion in model container [2021-11-12 22:49:45,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:49:45" (3/3) ... [2021-11-12 22:49:45,397 INFO L111 eAbstractionObserver]: Analyzing ICFG knuth_valuebound20.i [2021-11-12 22:49:45,402 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:49:45,402 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:49:45,444 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:49:45,450 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:49:45,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:49:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-12 22:49:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-12 22:49:45,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:49:45,471 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:49:45,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:49:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:49:45,477 INFO L85 PathProgramCache]: Analyzing trace with hash 919095715, now seen corresponding path program 1 times [2021-11-12 22:49:45,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:49:45,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941760278] [2021-11-12 22:49:45,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:49:45,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:49:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:49:45,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:49:45,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:49:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:49:45,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:49:45,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:49:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-12 22:49:46,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:49:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-12 22:49:46,609 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:49:46,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941760278] [2021-11-12 22:49:46,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941760278] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:49:46,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:49:46,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 22:49:46,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267343658] [2021-11-12 22:49:46,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:49:46,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:49:46,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:49:46,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:49:46,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:49:46,646 INFO L87 Difference]: Start difference. First operand has 31 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 22:49:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:49:46,667 INFO L93 Difference]: Finished difference Result 59 states and 92 transitions. [2021-11-12 22:49:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:49:46,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2021-11-12 22:49:46,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:49:46,677 INFO L225 Difference]: With dead ends: 59 [2021-11-12 22:49:46,677 INFO L226 Difference]: Without dead ends: 27 [2021-11-12 22:49:46,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:49:46,684 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:49:46,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:49:46,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-12 22:49:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-12 22:49:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-12 22:49:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-11-12 22:49:46,722 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 29 [2021-11-12 22:49:46,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:49:46,723 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-11-12 22:49:46,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 22:49:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-12 22:49:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-12 22:49:46,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:49:46,725 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:49:46,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:49:46,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:49:46,934 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:49:46,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:49:46,935 INFO L85 PathProgramCache]: Analyzing trace with hash -960358297, now seen corresponding path program 1 times [2021-11-12 22:49:46,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:49:46,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613597191] [2021-11-12 22:49:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:49:46,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:49:46,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:49:46,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:49:46,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847d01ee-94d5-4637-8167-915bc54f1a71/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:49:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:49:49,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 22:49:49,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:50:45,923 WARN L227 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-12 22:50:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 22:50:47,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:51:02,261 WARN L860 $PredicateComparison]: unable to prove that (= (let ((.cse2 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse3 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|)) (.cse0 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvadd (bvneg (bvmul (bvadd (bvmul .cse0 (_ bv8 32)) (bvmul .cse1 (_ bv8 32))) |c_ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse2) |c_ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse3) (bvmul (_ bv4 32) (bvmul .cse1 |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvmul .cse3 (_ bv4 32)) |c_ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul .cse0 |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1|))))) (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) is different from true [2021-11-12 22:51:11,289 WARN L860 $PredicateComparison]: unable to prove that (or (not (bvugt |c_ULTIMATE.start_main_~a~0#1| (_ bv2 32))) (= (let ((.cse2 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse3 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|)) (.cse0 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvadd (bvneg (bvmul (bvadd (bvmul .cse0 (_ bv8 32)) (bvmul .cse1 (_ bv8 32))) |c_ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse2) |c_ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse3) (bvmul (_ bv4 32) (bvmul .cse1 |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvmul .cse3 (_ bv4 32)) |c_ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul .cse0 |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1|))))) (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|))) is different from true [2021-11-12 22:51:23,818 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ BitVec 32))) (or (= (let ((.cse1 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv4294967294 32)))) (let ((.cse0 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|))) (.cse3 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (.cse2 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse1))) (bvadd (bvmul (_ bv4 32) (bvmul .cse0 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse1) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse0 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv8 32) .cse3) (bvneg (bvmul (bvmul .cse3 (_ bv4 32)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5|)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv2 32))))) is different from true [2021-11-12 22:51:47,468 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ BitVec 32))) (or (= (let ((.cse1 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv4294967294 32)))) (let ((.cse0 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|))) (.cse3 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (.cse2 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse1))) (bvadd (bvmul (_ bv4 32) (bvmul .cse0 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse1) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse0 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv8 32) .cse3) (bvneg (bvmul (bvmul .cse3 (_ bv4 32)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5|)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv2 32)))) (= c_assume_abort_if_not_~cond (_ bv0 32))) is different from true [2021-11-12 22:52:09,264 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (or (not (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32))) (= (let ((.cse2 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|))) (.cse3 (bvurem |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|)) (.cse0 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvadd (bvneg (bvmul (bvadd (bvmul .cse0 (_ bv8 32)) (bvmul .cse1 (_ bv8 32))) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse2) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse3) (bvmul (_ bv4 32) (bvmul .cse1 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvmul .cse3 (_ bv4 32)) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul .cse0 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))))) (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) (not (bvule |ULTIMATE.start_main_~a~0#1| (_ bv20 32))))) is different from true [2021-11-12 22:56:15,589 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ BitVec 32))) (or (let ((.cse0 (bvule |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv20 32)))) (and (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) .cse0) (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse0)))) (= (let ((.cse3 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv4294967294 32)))) (let ((.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (.cse2 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|))) (.cse4 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse3))) (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse3) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvneg (bvmul (bvmul .cse1 (_ bv4 32)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvmul (_ bv4 32) (bvmul .cse4 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse4 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7|)) (not (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv2 32))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (and (not (= (let ((.cse5 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse6 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |ULTIMATE.start_main_~a~0#1|))) (.cse8 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |ULTIMATE.start_main_~a~0#1|)) (.cse7 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse5))) (bvadd (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse5) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul .cse6 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvadd (bvmul .cse7 (_ bv8 32)) (bvmul .cse6 (_ bv8 32))) |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvmul .cse8 (_ bv4 32)) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse8) (bvmul (_ bv4 32) (bvmul .cse7 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7|))) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv20 32)) (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32)))))) is different from false [2021-11-12 22:56:17,632 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ BitVec 32))) (or (let ((.cse0 (bvule |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv20 32)))) (and (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) .cse0) (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse0)))) (= (let ((.cse3 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv4294967294 32)))) (let ((.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (.cse2 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|))) (.cse4 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse3))) (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse3) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvneg (bvmul (bvmul .cse1 (_ bv4 32)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvmul (_ bv4 32) (bvmul .cse4 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse4 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7|)) (not (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv2 32))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (and (not (= (let ((.cse5 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse6 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |ULTIMATE.start_main_~a~0#1|))) (.cse8 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |ULTIMATE.start_main_~a~0#1|)) (.cse7 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse5))) (bvadd (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse5) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul .cse6 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvadd (bvmul .cse7 (_ bv8 32)) (bvmul .cse6 (_ bv8 32))) |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvmul .cse8 (_ bv4 32)) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse8) (bvmul (_ bv4 32) (bvmul .cse7 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7|))) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv20 32)) (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32)))))) is different from true [2021-11-12 23:03:57,874 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ BitVec 32))) (or (let ((.cse0 (bvule |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv20 32)))) (and (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) .cse0) (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse0)))) (= (let ((.cse3 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv4294967294 32)))) (let ((.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (.cse2 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|))) (.cse4 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse3))) (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse3) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvneg (bvmul (bvmul .cse1 (_ bv4 32)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvmul (_ bv4 32) (bvmul .cse4 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|)) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse4 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7|)) (not (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5| (_ bv2 32))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (and (not (= (let ((.cse5 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse6 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |ULTIMATE.start_main_~a~0#1|))) (.cse8 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| |ULTIMATE.start_main_~a~0#1|)) (.cse7 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse5))) (bvadd (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7| .cse5) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv4 32) (bvmul .cse6 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvadd (bvmul .cse7 (_ bv8 32)) (bvmul .cse6 (_ bv8 32))) |ULTIMATE.start_main_~a~0#1|)) (bvneg (bvmul (bvmul .cse8 (_ bv4 32)) |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse8) (bvmul (_ bv4 32) (bvmul .cse7 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_7|))) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv20 32)) (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32)))))) (= c_assume_abort_if_not_~cond (_ bv0 32))) is different from true