./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P --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 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:21,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:21,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:21,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:21,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:21,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:21,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:21,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:21,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:21,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:21,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:21,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:21,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:21,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:21,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:21,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:21,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:21,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:21,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:21,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:21,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:21,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:21,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:21,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:21,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:21,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:21,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:21,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:21,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:21,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:21,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:21,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:21,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:21,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:21,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:21,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:21,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:21,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:21,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:21,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:21,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:21,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:46:21,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:21,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:21,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:21,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:21,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:21,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:21,609 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:21,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:21,609 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:21,609 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:46:21,610 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:21,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:21,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:46:21,611 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:46:21,611 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:21,612 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:46:21,612 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:46:21,612 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:46:21,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:21,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:46:21,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:21,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:46:21,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:21,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:46:21,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:21,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:46:21,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:46:21,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:46:21,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:21,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:46:21,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:21,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:21,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:21,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:21,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:21,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:46:21,619 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:46:21,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:46:21,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:46:21,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:21,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:21,620 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_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 [2021-11-21 01:46:21,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:21,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:21,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:21,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:21,933 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:21,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-11-21 01:46:22,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/eda4969a8/da00c47aa58547af8c07c638b1eb57f2/FLAGe32c27946 [2021-11-21 01:46:22,547 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:22,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-11-21 01:46:22,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/eda4969a8/da00c47aa58547af8c07c638b1eb57f2/FLAGe32c27946 [2021-11-21 01:46:22,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/eda4969a8/da00c47aa58547af8c07c638b1eb57f2 [2021-11-21 01:46:22,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:22,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:22,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:22,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:22,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:22,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:22" (1/1) ... [2021-11-21 01:46:22,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4bb18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:22, skipping insertion in model container [2021-11-21 01:46:22,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:22" (1/1) ... [2021-11-21 01:46:22,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:22,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:23,470 WARN L230 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_aa2547ee-33e8-4ce9-a906-d79083649cf9/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2021-11-21 01:46:23,476 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: fabs 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:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) 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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:674) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1441) 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:1385) 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:1069) 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:1456) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) 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) [2021-11-21 01:46:23,482 INFO L158 Benchmark]: Toolchain (without parser) took 640.23ms. Allocated memory is still 94.4MB. Free memory was 69.8MB in the beginning and 68.5MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:46:23,482 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:46:23,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.99ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 68.5MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:46:23,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.99ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 68.5MB in the end (delta: 1.1MB). 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: 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_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P --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 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:25,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:25,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:25,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:25,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:25,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:25,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:25,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:25,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:25,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:25,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:25,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:25,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:25,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:25,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:25,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:25,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:25,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:25,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:25,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:25,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:25,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:25,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:25,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:25,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:25,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:25,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:25,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:25,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:25,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:25,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:25,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:25,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:25,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:25,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:25,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:25,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:25,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:25,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:25,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:25,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:25,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 01:46:25,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:25,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:25,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:25,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:25,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:25,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:25,954 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:25,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:25,954 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:25,954 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:25,955 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:25,956 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:25,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:25,958 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:46:25,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:46:25,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:25,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:46:25,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:25,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:46:25,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:46:25,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:46:25,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:46:25,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:46:25,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:25,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:46:25,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:25,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:46:25,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:25,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:25,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:25,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:25,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:46:25,962 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:46:25,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:46:25,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:46:25,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:25,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:25,963 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_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6cc2e1d5f8115d873249d496771fc571ddc631df1fcce41ea0010785dd8e60 [2021-11-21 01:46:26,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:26,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:26,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:26,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:26,410 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:26,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-11-21 01:46:26,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/9f6161abd/569e4c796fd747aeb0fd6a2c62be1c79/FLAG87b846c97 [2021-11-21 01:46:27,206 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:27,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2021-11-21 01:46:27,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/9f6161abd/569e4c796fd747aeb0fd6a2c62be1c79/FLAG87b846c97 [2021-11-21 01:46:27,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/data/9f6161abd/569e4c796fd747aeb0fd6a2c62be1c79 [2021-11-21 01:46:27,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:27,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:27,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:27,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:27,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:27,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:27" (1/1) ... [2021-11-21 01:46:27,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699cd937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:27, skipping insertion in model container [2021-11-21 01:46:27,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:27" (1/1) ... [2021-11-21 01:46:27,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:27,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:28,387 WARN L230 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_aa2547ee-33e8-4ce9-a906-d79083649cf9/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2021-11-21 01:46:28,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:28,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:46:28,474 WARN L230 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_aa2547ee-33e8-4ce9-a906-d79083649cf9/sv-benchmarks/c/floats-esbmc-regression/fabs.i[36279,36292] [2021-11-21 01:46:28,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:28,705 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:46:28,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28 WrapperNode [2021-11-21 01:46:28,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:28,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:28,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:46:28,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:46:28,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,800 INFO L137 Inliner]: procedures = 448, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-21 01:46:28,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:28,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:46:28,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:46:28,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:46:28,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:46:28,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:46:28,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:46:28,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:46:28,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (1/1) ... [2021-11-21 01:46:28,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:28,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:46:28,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:46:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 01:46:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:46:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:46:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:46:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:46:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:46:29,081 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:46:29,083 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:29,228 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:29,235 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:29,239 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:46:29,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:29 BoogieIcfgContainer [2021-11-21 01:46:29,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:29,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:29,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:29,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:29,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:46:27" (1/3) ... [2021-11-21 01:46:29,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa0b696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:29, skipping insertion in model container [2021-11-21 01:46:29,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28" (2/3) ... [2021-11-21 01:46:29,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa0b696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:29, skipping insertion in model container [2021-11-21 01:46:29,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:29" (3/3) ... [2021-11-21 01:46:29,253 INFO L111 eAbstractionObserver]: Analyzing ICFG fabs.i [2021-11-21 01:46:29,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:29,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:46:29,333 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:29,347 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 [2021-11-21 01:46:29,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:46:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-21 01:46:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 01:46:29,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:29,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 01:46:29,388 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:29,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:29,396 INFO L85 PathProgramCache]: Analyzing trace with hash 890047930, now seen corresponding path program 1 times [2021-11-21 01:46:29,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:46:29,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173020629] [2021-11-21 01:46:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:29,413 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:46:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:46:29,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:46:29,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 01:46:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:29,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:29,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:29,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:29,869 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:46:29,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173020629] [2021-11-21 01:46:29,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173020629] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:29,870 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:29,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-21 01:46:29,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157880050] [2021-11-21 01:46:29,873 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:29,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:46:29,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:46:29,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:46:29,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:46:29,908 INFO L87 Difference]: Start difference. First operand has 17 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:30,040 INFO L93 Difference]: Finished difference Result 29 states and 44 transitions. [2021-11-21 01:46:30,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:46:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-21 01:46:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:30,050 INFO L225 Difference]: With dead ends: 29 [2021-11-21 01:46:30,068 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:46:30,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:46:30,075 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:30,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 35 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:46:30,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:46:30,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:46:30,099 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) [2021-11-21 01:46:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:46:30,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-21 01:46:30,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:30,101 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:46:30,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:46:30,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:46:30,104 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:46:30,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:30,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:46:30,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:46:30,349 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:46:30,349 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-21 01:46:30,350 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:46:30,350 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-21 01:46:30,350 INFO L858 garLoopResultBuilder]: For program point L887(lines 880 888) no Hoare annotation was computed. [2021-11-21 01:46:30,353 INFO L861 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2021-11-21 01:46:30,354 INFO L861 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2021-11-21 01:46:30,354 INFO L861 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2021-11-21 01:46:30,355 INFO L861 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2021-11-21 01:46:30,356 INFO L861 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2021-11-21 01:46:30,359 INFO L861 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2021-11-21 01:46:30,359 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 878) the Hoare annotation is: true [2021-11-21 01:46:30,360 INFO L858 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-11-21 01:46:30,360 INFO L858 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-11-21 01:46:30,360 INFO L858 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2021-11-21 01:46:30,360 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2021-11-21 01:46:30,361 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-11-21 01:46:30,372 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-21 01:46:30,374 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:46:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:46:30 BoogieIcfgContainer [2021-11-21 01:46:30,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:46:30,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:46:30,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:46:30,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:46:30,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:29" (3/4) ... [2021-11-21 01:46:30,392 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:46:30,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-21 01:46:30,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-21 01:46:30,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-21 01:46:30,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 01:46:30,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:46:30,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:46:30,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:46:30,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:46:30,451 INFO L158 Benchmark]: Toolchain (without parser) took 2974.40ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.5MB in the beginning and 36.0MB in the end (delta: -4.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,452 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:46:30,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1222.57ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 38.9MB in the end (delta: -7.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.72ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 36.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,454 INFO L158 Benchmark]: Boogie Preprocessor took 52.08ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 35.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,454 INFO L158 Benchmark]: RCFGBuilder took 387.42ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 46.4MB in the end (delta: -11.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,455 INFO L158 Benchmark]: TraceAbstraction took 1138.42ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 38.4MB in the end (delta: 7.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,455 INFO L158 Benchmark]: Witness Printer took 64.02ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 36.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:46:30,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1222.57ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 38.9MB in the end (delta: -7.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.72ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 36.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.08ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 35.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.42ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 46.4MB in the end (delta: -11.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1138.42ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 38.4MB in the end (delta: 7.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 64.02ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 36.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 11 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 7 LocationsWithAnnotation, 17 PreInvPairs, 22 NumberOfFragments, 7 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 3 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2021-11-21 01:46:30,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2547ee-33e8-4ce9-a906-d79083649cf9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE