./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs --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 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:33:56,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:33:56,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:33:56,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:33:56,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:33:56,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:33:56,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:33:56,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:33:56,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:33:56,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:33:56,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:33:56,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:33:56,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:33:56,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:33:56,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:33:56,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:33:56,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:33:56,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:33:56,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:33:56,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:33:56,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:33:56,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:33:56,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:33:56,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:33:56,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:33:56,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:33:56,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:33:56,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:33:56,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:33:56,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:33:56,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:33:56,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:33:56,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:33:56,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:33:56,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:33:56,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:33:56,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:33:56,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:33:56,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:33:56,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:33:56,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:33:56,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 13:33:56,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:33:56,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:33:56,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:33:56,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:33:56,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:33:56,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:33:56,369 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:33:56,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:33:56,373 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:33:56,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:33:56,375 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:33:56,375 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:33:56,375 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:33:56,375 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:33:56,376 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:33:56,376 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:33:56,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:33:56,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:33:56,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:33:56,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:33:56,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:33:56,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:33:56,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:33:56,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:33:56,379 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:33:56,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:33:56,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:33:56,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:33:56,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:33:56,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:33:56,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:33:56,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:56,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:33:56,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:33:56,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:33:56,384 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:33:56,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:33:56,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:33:56,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:33:56,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:33:56,385 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_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 [2021-11-19 13:33:56,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:33:56,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:33:56,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:33:56,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:33:56,687 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:33:56,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2021-11-19 13:33:56,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/1675a4b1d/a990ac7a76c84983b2ccb4a3e91ec7f2/FLAG22d678db8 [2021-11-19 13:33:57,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:33:57,329 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2021-11-19 13:33:57,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/1675a4b1d/a990ac7a76c84983b2ccb4a3e91ec7f2/FLAG22d678db8 [2021-11-19 13:33:57,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/1675a4b1d/a990ac7a76c84983b2ccb4a3e91ec7f2 [2021-11-19 13:33:57,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:33:57,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:33:57,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:57,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:33:57,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:33:57,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:57,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b99dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57, skipping insertion in model container [2021-11-19 13:33:57,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:57,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:33:57,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:33:58,008 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1753) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:384) 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:1438) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1637) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1076) 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.visit(CHandler.java:1614) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1076) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1460) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2350) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:602) 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) [2021-11-19 13:33:58,015 INFO L158 Benchmark]: Toolchain (without parser) took 412.61ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.5MB in the beginning and 83.9MB in the end (delta: -30.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:33:58,016 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:33:58,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.05ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.3MB in the beginning and 83.9MB in the end (delta: -30.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:33:58,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.05ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.3MB in the beginning and 83.9MB in the end (delta: -30.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) 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_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs --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 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:34:00,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:34:00,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:34:00,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:34:00,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:34:00,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:34:00,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:34:00,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:34:00,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:34:00,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:34:00,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:34:00,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:34:00,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:34:00,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:34:00,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:34:00,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:34:00,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:34:00,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:34:00,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:34:00,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:34:00,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:34:00,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:34:00,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:34:00,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:34:00,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:34:00,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:34:00,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:34:00,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:34:00,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:34:00,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:34:00,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:34:00,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:34:00,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:34:00,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:34:00,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:34:00,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:34:00,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:34:00,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:34:00,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:34:00,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:34:00,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:34:00,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 13:34:00,785 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:34:00,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:34:00,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:34:00,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:34:00,787 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:34:00,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:34:00,788 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:34:00,788 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:34:00,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:34:00,788 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:34:00,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:34:00,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:34:00,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:34:00,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:34:00,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:34:00,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:34:00,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:34:00,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:34:00,793 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:34:00,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:34:00,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:34:00,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:34:00,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:34:00,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:34:00,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:34:00,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:34:00,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:34:00,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:00,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:34:00,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:34:00,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:34:00,796 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:34:00,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:34:00,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:34:00,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:34:00,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:34:00,797 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_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992559e3b495f77a5d35d1adcc820f616a6cb613920422d0b2ff6cd6d91349c8 [2021-11-19 13:34:01,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:34:01,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:34:01,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:34:01,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:34:01,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:34:01,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2021-11-19 13:34:01,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/c8c54f4a5/d72325a5d5584f2db743095947d907c8/FLAG962b0d286 [2021-11-19 13:34:02,000 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:34:02,000 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c [2021-11-19 13:34:02,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/c8c54f4a5/d72325a5d5584f2db743095947d907c8/FLAG962b0d286 [2021-11-19 13:34:02,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/data/c8c54f4a5/d72325a5d5584f2db743095947d907c8 [2021-11-19 13:34:02,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:34:02,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:34:02,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:02,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:34:02,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:34:02,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:02" (1/1) ... [2021-11-19 13:34:02,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27510839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:02, skipping insertion in model container [2021-11-19 13:34:02,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:02" (1/1) ... [2021-11-19 13:34:02,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:34:02,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:34:02,820 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_cc26c5a5-14d8-469c-9ea4-80526a703a91/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c[13991,14004] [2021-11-19 13:34:02,823 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:02,842 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:34:02,995 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_cc26c5a5-14d8-469c-9ea4-80526a703a91/sv-benchmarks/c/float-newlib/float_req_bl_0870b.c[13991,14004] [2021-11-19 13:34:02,996 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:03,037 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:34:03,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03 WrapperNode [2021-11-19 13:34:03,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:03,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:34:03,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:34:03,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:34:03,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,220 INFO L137 Inliner]: procedures = 26, calls = 188, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 741 [2021-11-19 13:34:03,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:34:03,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:34:03,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:34:03,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:34:03,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:34:03,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:34:03,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:34:03,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:34:03,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (1/1) ... [2021-11-19 13:34:03,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:03,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:34:03,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:34:03,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:34:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:34:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:34:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:34:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-19 13:34:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:34:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-19 13:34:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-19 13:34:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-19 13:34:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-19 13:34:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:34:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:34:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:34:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:34:03,716 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:34:03,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:34:27,169 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:34:27,180 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:34:27,180 INFO L301 CfgBuilder]: Removed 70 assume(true) statements. [2021-11-19 13:34:27,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:34:27 BoogieIcfgContainer [2021-11-19 13:34:27,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:34:27,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:34:27,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:34:27,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:34:27,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:34:02" (1/3) ... [2021-11-19 13:34:27,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7893e36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:34:27, skipping insertion in model container [2021-11-19 13:34:27,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:03" (2/3) ... [2021-11-19 13:34:27,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7893e36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:34:27, skipping insertion in model container [2021-11-19 13:34:27,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:34:27" (3/3) ... [2021-11-19 13:34:27,192 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870b.c [2021-11-19 13:34:27,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:34:27,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:34:27,250 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:34:27,258 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 [2021-11-19 13:34:27,258 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:34:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 186 states have (on average 1.7204301075268817) internal successors, (320), 187 states have internal predecessors, (320), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:34:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:34:27,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:27,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:27,286 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:27,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:27,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1211797048, now seen corresponding path program 1 times [2021-11-19 13:34:27,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:27,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632301744] [2021-11-19 13:34:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:27,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:27,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:27,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:34:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:28,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 13:34:28,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:28,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:28,474 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:28,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632301744] [2021-11-19 13:34:28,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632301744] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:28,475 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:28,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 13:34:28,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36377920] [2021-11-19 13:34:28,477 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:28,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:34:28,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:28,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:34:28,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:34:28,513 INFO L87 Difference]: Start difference. First operand has 192 states, 186 states have (on average 1.7204301075268817) internal successors, (320), 187 states have internal predecessors, (320), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-19 13:34:28,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:28,619 INFO L93 Difference]: Finished difference Result 381 states and 651 transitions. [2021-11-19 13:34:28,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:34:28,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2021-11-19 13:34:28,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:28,641 INFO L225 Difference]: With dead ends: 381 [2021-11-19 13:34:28,641 INFO L226 Difference]: Without dead ends: 188 [2021-11-19 13:34:28,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:34:28,654 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:28,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:34:28,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-19 13:34:28,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-11-19 13:34:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 183 states have (on average 1.3333333333333333) internal successors, (244), 183 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:34:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 250 transitions. [2021-11-19 13:34:28,725 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 250 transitions. Word has length 11 [2021-11-19 13:34:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:28,725 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 250 transitions. [2021-11-19 13:34:28,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-19 13:34:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 250 transitions. [2021-11-19 13:34:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 13:34:28,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:28,727 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:28,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:28,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:28,946 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:28,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:28,947 INFO L85 PathProgramCache]: Analyzing trace with hash 14017525, now seen corresponding path program 1 times [2021-11-19 13:34:28,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:28,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346748218] [2021-11-19 13:34:28,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:28,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:28,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:28,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:34:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:30,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:34:30,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:32,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:33,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:33,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346748218] [2021-11-19 13:34:33,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346748218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:33,716 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:33,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-19 13:34:33,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023543382] [2021-11-19 13:34:33,717 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:33,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:34:33,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:33,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:34:33,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2021-11-19 13:34:33,720 INFO L87 Difference]: Start difference. First operand 188 states and 250 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-19 13:34:39,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:45,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:46,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:46,586 INFO L93 Difference]: Finished difference Result 581 states and 755 transitions. [2021-11-19 13:34:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 13:34:46,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 13 [2021-11-19 13:34:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:46,595 INFO L225 Difference]: With dead ends: 581 [2021-11-19 13:34:46,595 INFO L226 Difference]: Without dead ends: 576 [2021-11-19 13:34:46,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=26, Invalid=45, Unknown=1, NotChecked=0, Total=72 [2021-11-19 13:34:46,598 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 488 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:46,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [494 Valid, 2251 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 79 Invalid, 2 Unknown, 43 Unchecked, 10.3s Time] [2021-11-19 13:34:46,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-11-19 13:34:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 188. [2021-11-19 13:34:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 183 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:34:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 249 transitions. [2021-11-19 13:34:46,636 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 249 transitions. Word has length 13 [2021-11-19 13:34:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:46,637 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 249 transitions. [2021-11-19 13:34:46,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-19 13:34:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2021-11-19 13:34:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:34:46,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:46,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:46,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:46,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:46,863 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:46,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:46,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1884074566, now seen corresponding path program 1 times [2021-11-19 13:34:46,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:46,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191795467] [2021-11-19 13:34:46,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:46,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:46,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:46,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:46,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:34:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:47,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:34:47,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:48,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:49,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:49,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191795467] [2021-11-19 13:34:49,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191795467] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:49,396 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:49,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-19 13:34:49,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849980421] [2021-11-19 13:34:49,396 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:49,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:34:49,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:49,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:34:49,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:34:49,398 INFO L87 Difference]: Start difference. First operand 188 states and 249 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 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) [2021-11-19 13:34:52,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:53,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:53,052 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2021-11-19 13:34:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:34:53,053 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 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) Word has length 15 [2021-11-19 13:34:53,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:53,055 INFO L225 Difference]: With dead ends: 199 [2021-11-19 13:34:53,056 INFO L226 Difference]: Without dead ends: 194 [2021-11-19 13:34:53,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:34:53,058 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 27 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1614 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:53,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 1614 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 1 Unknown, 69 Unchecked, 3.6s Time] [2021-11-19 13:34:53,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-19 13:34:53,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2021-11-19 13:34:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 183 states have (on average 1.3224043715846994) internal successors, (242), 183 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:34:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2021-11-19 13:34:53,092 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 15 [2021-11-19 13:34:53,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:53,093 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2021-11-19 13:34:53,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 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) [2021-11-19 13:34:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2021-11-19 13:34:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:34:53,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:53,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:53,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:53,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:53,311 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:34:53,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:53,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1882227524, now seen corresponding path program 1 times [2021-11-19 13:34:53,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:53,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83750408] [2021-11-19 13:34:53,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:53,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:53,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:53,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:53,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:34:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:54,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 13:34:54,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:54,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:55,142 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:55,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83750408] [2021-11-19 13:34:55,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83750408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:55,143 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:55,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 13:34:55,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041182918] [2021-11-19 13:34:55,144 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:55,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:34:55,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:55,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:34:55,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:34:55,146 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-11-19 13:34:58,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:01,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:03,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:03,824 INFO L93 Difference]: Finished difference Result 193 states and 252 transitions. [2021-11-19 13:35:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:35:03,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) Word has length 15 [2021-11-19 13:35:03,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:03,841 INFO L225 Difference]: With dead ends: 193 [2021-11-19 13:35:03,841 INFO L226 Difference]: Without dead ends: 187 [2021-11-19 13:35:03,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:35:03,843 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 4 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:03,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 965 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2021-11-19 13:35:03,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-19 13:35:03,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-19 13:35:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.3131868131868132) internal successors, (239), 182 states have internal predecessors, (239), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:35:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 245 transitions. [2021-11-19 13:35:03,860 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 245 transitions. Word has length 15 [2021-11-19 13:35:03,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:03,861 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 245 transitions. [2021-11-19 13:35:03,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-11-19 13:35:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2021-11-19 13:35:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:35:03,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:03,863 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:03,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 13:35:04,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:04,075 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:35:04,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:04,075 INFO L85 PathProgramCache]: Analyzing trace with hash -474212720, now seen corresponding path program 1 times [2021-11-19 13:35:04,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:04,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342186827] [2021-11-19 13:35:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:04,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:04,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:04,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:04,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:35:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:05,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:35:05,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:06,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:35:07,120 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:07,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342186827] [2021-11-19 13:35:07,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342186827] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:35:07,120 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:35:07,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-19 13:35:07,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220934414] [2021-11-19 13:35:07,121 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:07,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:35:07,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:07,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:35:07,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:35:07,123 INFO L87 Difference]: Start difference. First operand 187 states and 245 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) [2021-11-19 13:35:07,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:07,373 INFO L93 Difference]: Finished difference Result 187 states and 245 transitions. [2021-11-19 13:35:07,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:35:07,373 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) Word has length 17 [2021-11-19 13:35:07,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:07,374 INFO L225 Difference]: With dead ends: 187 [2021-11-19 13:35:07,374 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:35:07,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:35:07,376 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:07,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-19 13:35:07,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:35:07,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:35:07,378 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) [2021-11-19 13:35:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:35:07,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-11-19 13:35:07,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:07,379 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:35:07,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) [2021-11-19 13:35:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:35:07,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:35:07,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 13:35:07,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:07,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:07,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 13:35:08,029 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-11-19 13:35:08,029 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:35:08,029 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:35:08,029 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-11-19 13:35:08,029 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:35:08,030 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-19 13:35:08,030 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 177 195) the Hoare annotation is: true [2021-11-19 13:35:08,030 INFO L858 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2021-11-19 13:35:08,030 INFO L861 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: true [2021-11-19 13:35:08,030 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 177 195) no Hoare annotation was computed. [2021-11-19 13:35:08,030 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2021-11-19 13:35:08,030 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2021-11-19 13:35:08,034 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2021-11-19 13:35:08,034 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2021-11-19 13:35:08,034 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2021-11-19 13:35:08,034 INFO L854 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2021-11-19 13:35:08,035 INFO L858 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2021-11-19 13:35:08,035 INFO L854 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2021-11-19 13:35:08,035 INFO L858 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2021-11-19 13:35:08,035 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2021-11-19 13:35:08,035 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2021-11-19 13:35:08,035 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2021-11-19 13:35:08,036 INFO L858 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2021-11-19 13:35:08,036 INFO L854 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (not (fp.eq |ULTIMATE.start___ieee754_powf_~y#1| (_ +zero 8 24))) (forall ((|v_ULTIMATE.start___ieee754_powf_~hx~3#1_19| (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_powf_~x#1| (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_powf_~hx~3#1_19|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_powf_~hx~3#1_19|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_powf_~hx~3#1_19|)))) (bvsgt (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_powf_~hx~3#1_19|) (_ bv2139095040 32))))) [2021-11-19 13:35:08,036 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2021-11-19 13:35:08,037 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2021-11-19 13:35:08,037 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-11-19 13:35:08,037 INFO L854 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2021-11-19 13:35:08,037 INFO L858 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2021-11-19 13:35:08,037 INFO L858 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2021-11-19 13:35:08,037 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-11-19 13:35:08,038 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:35:08,038 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2021-11-19 13:35:08,038 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-11-19 13:35:08,038 INFO L858 garLoopResultBuilder]: For program point L603(lines 603 612) no Hoare annotation was computed. [2021-11-19 13:35:08,039 INFO L858 garLoopResultBuilder]: For program point L603-2(lines 603 612) no Hoare annotation was computed. [2021-11-19 13:35:08,039 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-11-19 13:35:08,039 INFO L858 garLoopResultBuilder]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:35:08,040 INFO L858 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-11-19 13:35:08,040 INFO L854 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-11-19 13:35:08,041 INFO L854 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: false [2021-11-19 13:35:08,041 INFO L858 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2021-11-19 13:35:08,041 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2021-11-19 13:35:08,041 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2021-11-19 13:35:08,041 INFO L854 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2021-11-19 13:35:08,041 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2021-11-19 13:35:08,041 INFO L858 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L854 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L854 garLoopResultBuilder]: At program point L175(lines 111 176) the Hoare annotation is: false [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-11-19 13:35:08,042 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-11-19 13:35:08,043 INFO L854 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: false [2021-11-19 13:35:08,043 INFO L858 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2021-11-19 13:35:08,043 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2021-11-19 13:35:08,043 INFO L858 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2021-11-19 13:35:08,043 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-11-19 13:35:08,044 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-11-19 13:35:08,044 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:35:08,044 INFO L854 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2021-11-19 13:35:08,044 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2021-11-19 13:35:08,044 INFO L858 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-11-19 13:35:08,045 INFO L858 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2021-11-19 13:35:08,045 INFO L858 garLoopResultBuilder]: For program point L343-2(line 343) no Hoare annotation was computed. [2021-11-19 13:35:08,045 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 611) no Hoare annotation was computed. [2021-11-19 13:35:08,045 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-11-19 13:35:08,045 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:35:08,046 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2021-11-19 13:35:08,046 INFO L858 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-11-19 13:35:08,046 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2021-11-19 13:35:08,046 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2021-11-19 13:35:08,047 INFO L854 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2021-11-19 13:35:08,047 INFO L858 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2021-11-19 13:35:08,047 INFO L858 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed. [2021-11-19 13:35:08,047 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-11-19 13:35:08,047 INFO L858 garLoopResultBuilder]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:35:08,048 INFO L858 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2021-11-19 13:35:08,048 INFO L858 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2021-11-19 13:35:08,048 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2021-11-19 13:35:08,048 INFO L858 garLoopResultBuilder]: For program point L378-2(line 378) no Hoare annotation was computed. [2021-11-19 13:35:08,048 INFO L854 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2021-11-19 13:35:08,049 INFO L858 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2021-11-19 13:35:08,049 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2021-11-19 13:35:08,049 INFO L858 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2021-11-19 13:35:08,049 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2021-11-19 13:35:08,049 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2021-11-19 13:35:08,050 INFO L858 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2021-11-19 13:35:08,050 INFO L858 garLoopResultBuilder]: For program point L380-2(line 380) no Hoare annotation was computed. [2021-11-19 13:35:08,050 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-11-19 13:35:08,050 INFO L858 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2021-11-19 13:35:08,050 INFO L858 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-11-19 13:35:08,059 INFO L854 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2021-11-19 13:35:08,059 INFO L858 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2021-11-19 13:35:08,060 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2021-11-19 13:35:08,060 INFO L858 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2021-11-19 13:35:08,060 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2021-11-19 13:35:08,060 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2021-11-19 13:35:08,060 INFO L854 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2021-11-19 13:35:08,060 INFO L858 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2021-11-19 13:35:08,060 INFO L858 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2021-11-19 13:35:08,061 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2021-11-19 13:35:08,061 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2021-11-19 13:35:08,061 INFO L854 garLoopResultBuilder]: At program point L250(lines 201 251) the Hoare annotation is: false [2021-11-19 13:35:08,061 INFO L861 garLoopResultBuilder]: At program point L614(lines 591 615) the Hoare annotation is: true [2021-11-19 13:35:08,061 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 13:35:08,061 INFO L858 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-11-19 13:35:08,061 INFO L854 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2021-11-19 13:35:08,061 INFO L858 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2021-11-19 13:35:08,061 INFO L858 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2021-11-19 13:35:08,062 INFO L854 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2021-11-19 13:35:08,062 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-11-19 13:35:08,062 INFO L858 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2021-11-19 13:35:08,062 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2021-11-19 13:35:08,062 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2021-11-19 13:35:08,062 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2021-11-19 13:35:08,063 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2021-11-19 13:35:08,063 INFO L858 garLoopResultBuilder]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2021-11-19 13:35:08,063 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2021-11-19 13:35:08,063 INFO L854 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2021-11-19 13:35:08,063 INFO L854 garLoopResultBuilder]: At program point L585(lines 297 586) the Hoare annotation is: (= (_ NaN 8 24) |ULTIMATE.start___ieee754_powf_#res#1|) [2021-11-19 13:35:08,064 INFO L858 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2021-11-19 13:35:08,064 INFO L854 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2021-11-19 13:35:08,064 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2021-11-19 13:35:08,064 INFO L858 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2021-11-19 13:35:08,064 INFO L854 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2021-11-19 13:35:08,064 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2021-11-19 13:35:08,065 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 13:35:08,065 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2021-11-19 13:35:08,065 INFO L854 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2021-11-19 13:35:08,065 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2021-11-19 13:35:08,065 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2021-11-19 13:35:08,069 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2021-11-19 13:35:08,070 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-11-19 13:35:08,070 INFO L854 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (and (= (_ NaN 8 24) |ULTIMATE.start___ieee754_powf_#res#1|) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2021-11-19 13:35:08,070 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-11-19 13:35:08,070 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-11-19 13:35:08,072 INFO L858 garLoopResultBuilder]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:35:08,072 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2021-11-19 13:35:08,073 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2021-11-19 13:35:08,073 INFO L858 garLoopResultBuilder]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2021-11-19 13:35:08,073 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2021-11-19 13:35:08,073 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-11-19 13:35:08,073 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 13:35:08,073 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-11-19 13:35:08,074 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:35:08,074 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2021-11-19 13:35:08,074 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-11-19 13:35:08,074 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-11-19 13:35:08,074 INFO L854 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2021-11-19 13:35:08,074 INFO L858 garLoopResultBuilder]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2021-11-19 13:35:08,075 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2021-11-19 13:35:08,076 INFO L858 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2021-11-19 13:35:08,076 INFO L858 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2021-11-19 13:35:08,076 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2021-11-19 13:35:08,076 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2021-11-19 13:35:08,076 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2021-11-19 13:35:08,076 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2021-11-19 13:35:08,077 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2021-11-19 13:35:08,077 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2021-11-19 13:35:08,077 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-11-19 13:35:08,077 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-11-19 13:35:08,077 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:35:08,077 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-11-19 13:35:08,078 INFO L854 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: false [2021-11-19 13:35:08,078 INFO L858 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2021-11-19 13:35:08,078 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2021-11-19 13:35:08,078 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2021-11-19 13:35:08,078 INFO L858 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2021-11-19 13:35:08,079 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2021-11-19 13:35:08,079 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 13:35:08,079 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 609) no Hoare annotation was computed. [2021-11-19 13:35:08,079 INFO L854 garLoopResultBuilder]: At program point L264(lines 252 265) the Hoare annotation is: false [2021-11-19 13:35:08,080 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2021-11-19 13:35:08,080 INFO L854 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2021-11-19 13:35:08,080 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2021-11-19 13:35:08,080 INFO L858 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2021-11-19 13:35:08,080 INFO L858 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2021-11-19 13:35:08,080 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-19 13:35:08,081 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-11-19 13:35:08,081 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2021-11-19 13:35:08,081 INFO L858 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2021-11-19 13:35:08,081 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2021-11-19 13:35:08,081 INFO L858 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2021-11-19 13:35:08,081 INFO L854 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2021-11-19 13:35:08,082 INFO L858 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2021-11-19 13:35:08,082 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-11-19 13:35:08,082 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2021-11-19 13:35:08,085 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 13:35:08,086 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:35:08,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,102 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,103 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,107 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:35:08 BoogieIcfgContainer [2021-11-19 13:35:08,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:35:08,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:35:08,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:35:08,123 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:35:08,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:34:27" (3/4) ... [2021-11-19 13:35:08,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:35:08,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-19 13:35:08,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-19 13:35:08,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-19 13:35:08,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 13:35:08,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 13:35:08,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:35:08,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:35:08,301 INFO L158 Benchmark]: Toolchain (without parser) took 65888.03ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.6MB in the beginning and 43.7MB in the end (delta: -8.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,302 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:35:08,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.23ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 28.1MB in the end (delta: 7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.23ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 28.1MB in the beginning and 51.2MB in the end (delta: -23.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,304 INFO L158 Benchmark]: Boogie Preprocessor took 124.22ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 46.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,304 INFO L158 Benchmark]: RCFGBuilder took 23830.94ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 40.9MB in the end (delta: 5.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,305 INFO L158 Benchmark]: TraceAbstraction took 40937.37ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 32.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,305 INFO L158 Benchmark]: Witness Printer took 177.78ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 43.7MB in the end (delta: -11.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-19 13:35:08,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.23ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 28.1MB in the end (delta: 7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.23ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 28.1MB in the beginning and 51.2MB in the end (delta: -23.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.22ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 46.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 23830.94ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 40.9MB in the end (delta: 5.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 40937.37ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 32.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 177.78ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 43.7MB in the end (delta: -11.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] * 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: 609]: 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, 192 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 22.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 521 mSDsluCounter, 5109 SdHoareTripleChecker+Invalid, 21.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 116 IncrementalHoareTripleChecker+Unchecked, 3803 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 1306 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 104 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 394 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 42 PreInvPairs, 46 NumberOfFragments, 61 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 132 ConstructedInterpolants, 22 QuantifiedInterpolants, 549 SizeOfPredicates, 27 NumberOfNonLiveVariables, 584 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ~NaN~LONGDOUBLE() == \result - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: ~NaN~LONGDOUBLE() == \result && 1bv32 == \result - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2021-11-19 13:35:08,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] [2021-11-19 13:35:08,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~hx~3#1_19,QUANTIFIED] Derived loop invariant: !~fp.eq~FLOAT(y, ~Pluszero~LONGDOUBLE()) && (forall v_ULTIMATE.start___ieee754_powf_~hx~3#1_19 : bv32 :: !(x == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_powf_~hx~3#1_19[31:31], v_ULTIMATE.start___ieee754_powf_~hx~3#1_19[30:23], v_ULTIMATE.start___ieee754_powf_~hx~3#1_19[22:0])) || ~bvsgt32(~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_powf_~hx~3#1_19), 2139095040bv32)) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-19 13:35:08,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26c5a5-14d8-469c-9ea4-80526a703a91/bin/utaipan-UbGMyvGFUs/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