./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh --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 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:28:10,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:28:10,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:28:10,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:28:10,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:28:10,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:28:10,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:28:10,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:28:10,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:28:10,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:28:10,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:28:10,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:28:10,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:28:10,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:28:10,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:28:10,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:28:10,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:28:10,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:28:10,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:28:10,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:28:10,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:28:10,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:28:10,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:28:10,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:28:10,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:28:10,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:28:10,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:28:10,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:28:10,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:28:10,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:28:10,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:28:10,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:28:10,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:28:10,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:28:10,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:28:10,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:28:10,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:28:10,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:28:10,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:28:10,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:28:10,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:28:10,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:28:10,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:28:10,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:28:10,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:28:10,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:28:10,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:28:10,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:28:10,339 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:28:10,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:28:10,339 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:28:10,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:28:10,339 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:28:10,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:28:10,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:28:10,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:28:10,340 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:28:10,340 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:28:10,340 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:28:10,340 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:28:10,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:28:10,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:28:10,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:28:10,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:28:10,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:28:10,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:28:10,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:28:10,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:28:10,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:28:10,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:28:10,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:28:10,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:28:10,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:28:10,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:28:10,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:28:10,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:28:10,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:28:10,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 [2022-12-14 07:28:10,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:28:10,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:28:10,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:28:10,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:28:10,560 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:28:10,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-12-14 07:28:13,216 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:28:13,420 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:28:13,421 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-12-14 07:28:13,431 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data/8bc68b6f1/dcf625d768a5420f9242d915e73d4513/FLAG26b0e239e [2022-12-14 07:28:13,446 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data/8bc68b6f1/dcf625d768a5420f9242d915e73d4513 [2022-12-14 07:28:13,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:28:13,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:28:13,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:28:13,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:28:13,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:28:13,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:28:13" (1/1) ... [2022-12-14 07:28:13,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d494b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:13, skipping insertion in model container [2022-12-14 07:28:13,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:28:13" (1/1) ... [2022-12-14 07:28:13,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:28:13,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:28:13,928 WARN L237 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_3786e392-ccf2-4160-86a4-551a90db5999/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2022-12-14 07:28:13,934 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:813) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:2071) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) 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:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1476) 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:1420) 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:1094) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) 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:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-12-14 07:28:13,937 INFO L158 Benchmark]: Toolchain (without parser) took 486.98ms. Allocated memory is still 178.3MB. Free memory was 121.2MB in the beginning and 108.9MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 07:28:13,938 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:28:13,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.92ms. Allocated memory is still 178.3MB. Free memory was 121.2MB in the beginning and 108.9MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 07:28:13,939 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 104.9MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.92ms. Allocated memory is still 178.3MB. Free memory was 121.2MB in the beginning and 108.9MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:813) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh --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 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:28:15,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:28:15,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:28:15,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:28:15,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:28:15,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:28:15,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:28:15,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:28:15,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:28:15,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:28:15,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:28:15,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:28:15,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:28:15,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:28:15,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:28:15,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:28:15,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:28:15,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:28:15,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:28:15,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:28:15,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:28:15,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:28:15,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:28:15,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:28:15,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:28:15,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:28:15,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:28:15,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:28:15,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:28:15,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:28:15,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:28:15,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:28:15,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:28:15,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:28:15,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:28:15,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:28:15,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:28:15,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:28:15,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:28:15,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:28:15,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:28:15,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 07:28:15,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:28:15,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:28:15,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:28:15,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:28:15,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:28:15,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:28:15,501 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:28:15,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:28:15,501 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:28:15,501 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:28:15,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:28:15,501 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:28:15,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:28:15,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:28:15,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:28:15,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:28:15,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:28:15,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:28:15,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:28:15,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:28:15,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:28:15,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:28:15,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:28:15,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:28:15,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:28:15,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:28:15,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:28:15,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:28:15,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:28:15,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:28:15,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:28:15,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:28:15,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:28:15,506 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:28:15,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:28:15,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:28:15,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:28:15,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:28:15,506 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_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 [2022-12-14 07:28:15,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:28:15,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:28:15,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:28:15,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:28:15,757 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:28:15,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-12-14 07:28:18,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:28:18,555 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:28:18,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2022-12-14 07:28:18,566 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data/9d58d1302/8c8d1591972640379d8a94c5fb237067/FLAGcf8e865d5 [2022-12-14 07:28:18,578 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/data/9d58d1302/8c8d1591972640379d8a94c5fb237067 [2022-12-14 07:28:18,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:28:18,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:28:18,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:28:18,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:28:18,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:28:18,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:28:18" (1/1) ... [2022-12-14 07:28:18,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4927e025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:18, skipping insertion in model container [2022-12-14 07:28:18,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:28:18" (1/1) ... [2022-12-14 07:28:18,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:28:18,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:28:18,987 WARN L237 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_3786e392-ccf2-4160-86a4-551a90db5999/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2022-12-14 07:28:18,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:28:19,015 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:28:19,044 WARN L237 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_3786e392-ccf2-4160-86a4-551a90db5999/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2022-12-14 07:28:19,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:28:19,135 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:28:19,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19 WrapperNode [2022-12-14 07:28:19,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:28:19,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:28:19,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:28:19,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:28:19,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,180 INFO L138 Inliner]: procedures = 448, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-12-14 07:28:19,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:28:19,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:28:19,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:28:19,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:28:19,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,199 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:28:19,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:28:19,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:28:19,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:28:19,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (1/1) ... [2022-12-14 07:28:19,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:28:19,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:28:19,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:28:19,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:28:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 07:28:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:28:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:28:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:28:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:28:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:28:19,348 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:28:19,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:28:19,414 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:28:19,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:28:19,420 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:28:19,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:28:19 BoogieIcfgContainer [2022-12-14 07:28:19,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:28:19,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:28:19,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:28:19,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:28:19,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:28:18" (1/3) ... [2022-12-14 07:28:19,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeab50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:28:19, skipping insertion in model container [2022-12-14 07:28:19,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:19" (2/3) ... [2022-12-14 07:28:19,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeab50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:28:19, skipping insertion in model container [2022-12-14 07:28:19,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:28:19" (3/3) ... [2022-12-14 07:28:19,431 INFO L112 eAbstractionObserver]: Analyzing ICFG fmax.i [2022-12-14 07:28:19,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:28:19,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:28:19,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:28:19,502 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@401f593a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:28:19,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:28:19,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:28:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 07:28:19,511 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:28:19,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 07:28:19,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:28:19,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:28:19,515 INFO L85 PathProgramCache]: Analyzing trace with hash 889986362, now seen corresponding path program 1 times [2022-12-14 07:28:19,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:28:19,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669271905] [2022-12-14 07:28:19,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:28:19,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:28:19,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:28:19,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:28:19,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 07:28:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:28:19,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:28:19,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:28:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:28:19,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:28:19,712 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:28:19,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669271905] [2022-12-14 07:28:19,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669271905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:28:19,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:28:19,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:28:19,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445092414] [2022-12-14 07:28:19,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:28:19,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:28:19,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:28:19,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:28:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:28:19,748 INFO L87 Difference]: Start difference. First operand has 15 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:28:19,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:28:19,824 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2022-12-14 07:28:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:28:19,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 07:28:19,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:28:19,830 INFO L225 Difference]: With dead ends: 25 [2022-12-14 07:28:19,830 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:28:19,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:28:19,835 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:28:19,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:28:19,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:28:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:28:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:28:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:28:19,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-12-14 07:28:19,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:28:19,853 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:28:19,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:28:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:28:19,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:28:19,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 07:28:19,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:28:20,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:28:20,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:28:20,102 INFO L902 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2022-12-14 07:28:20,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:28:20,103 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 07:28:20,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 07:28:20,104 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 07:28:20,104 INFO L899 garLoopResultBuilder]: For program point L885(lines 880 886) no Hoare annotation was computed. [2022-12-14 07:28:20,105 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-12-14 07:28:20,105 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-12-14 07:28:20,105 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-12-14 07:28:20,106 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-12-14 07:28:20,106 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-12-14 07:28:20,106 INFO L899 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2022-12-14 07:28:20,107 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2022-12-14 07:28:20,107 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 878) the Hoare annotation is: true [2022-12-14 07:28:20,108 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2022-12-14 07:28:20,117 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 07:28:20,124 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:28:20,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:28:20 BoogieIcfgContainer [2022-12-14 07:28:20,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:28:20,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:28:20,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:28:20,136 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:28:20,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:28:19" (3/4) ... [2022-12-14 07:28:20,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:28:20,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 07:28:20,171 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 07:28:20,171 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 07:28:20,172 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 07:28:20,172 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:28:20,172 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:28:20,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:28:20,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:28:20,213 INFO L158 Benchmark]: Toolchain (without parser) took 1631.18ms. Allocated memory is still 79.7MB. Free memory was 48.6MB in the beginning and 38.5MB in the end (delta: 10.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-14 07:28:20,213 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:28:20,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.62ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 53.6MB in the end (delta: -5.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-12-14 07:28:20,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.03ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 51.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:28:20,214 INFO L158 Benchmark]: Boogie Preprocessor took 21.33ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 49.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:28:20,214 INFO L158 Benchmark]: RCFGBuilder took 218.72ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 40.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 07:28:20,215 INFO L158 Benchmark]: TraceAbstraction took 710.10ms. Allocated memory is still 79.7MB. Free memory was 39.5MB in the beginning and 41.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:28:20,215 INFO L158 Benchmark]: Witness Printer took 76.32ms. Allocated memory is still 79.7MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 07:28:20,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.62ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 53.6MB in the end (delta: -5.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.03ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 51.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.33ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 49.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 218.72ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 40.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 710.10ms. Allocated memory is still 79.7MB. Free memory was 39.5MB in the beginning and 41.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.32ms. Allocated memory is still 79.7MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 5 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 2 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 07:28:20,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3786e392-ccf2-4160-86a4-551a90db5999/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE