./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba --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 b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:27:35,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:27:35,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:27:35,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:27:35,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:27:35,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:27:35,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:27:35,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:27:35,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:27:35,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:27:35,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:27:35,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:27:35,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:27:35,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:27:35,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:27:35,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:27:35,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:27:35,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:27:35,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:27:35,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:27:35,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:27:35,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:27:35,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:27:35,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:27:35,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:27:35,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:27:35,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:27:35,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:27:35,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:27:35,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:27:35,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:27:35,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:27:35,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:27:35,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:27:35,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:27:35,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:27:35,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:27:35,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:27:35,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:27:35,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:27:35,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:27:35,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 00:27:35,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:27:35,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:27:35,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:27:35,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:27:35,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:27:35,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:27:35,320 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:27:35,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:27:35,321 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:27:35,321 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:27:35,321 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:27:35,321 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:27:35,322 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:27:35,322 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:27:35,322 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:27:35,323 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:27:35,323 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:27:35,323 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:27:35,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:27:35,325 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:27:35,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:27:35,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:27:35,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:27:35,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:27:35,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:27:35,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:27:35,327 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:27:35,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:27:35,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:27:35,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:27:35,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:27:35,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:27:35,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:35,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:27:35,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:27:35,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:27:35,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:27:35,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:27:35,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:27:35,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:27:35,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:27:35,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f [2022-11-22 00:27:35,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:27:35,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:27:35,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:27:35,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:27:35,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:27:35,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/floats-cbmc-regression/float21.i [2022-11-22 00:27:38,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:27:39,222 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:27:39,223 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i [2022-11-22 00:27:39,236 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data/3b37427a6/1c09590263ed47f99b8f76183b940c4c/FLAGc88588212 [2022-11-22 00:27:39,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data/3b37427a6/1c09590263ed47f99b8f76183b940c4c [2022-11-22 00:27:39,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:27:39,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:27:39,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:39,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:27:39,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:27:39,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:39" (1/1) ... [2022-11-22 00:27:39,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4e68ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:39, skipping insertion in model container [2022-11-22 00:27:39,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:39" (1/1) ... [2022-11-22 00:27:39,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:27:39,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:27:39,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:800) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2051) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) 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:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 00:27:40,004 INFO L158 Benchmark]: Toolchain (without parser) took 729.79ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 118.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:27:40,005 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:27:40,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.21ms. Allocated memory is still 169.9MB. Free memory was 130.7MB in the beginning and 118.7MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 00:27:40,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.21ms. Allocated memory is still 169.9MB. Free memory was 130.7MB in the beginning and 118.7MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:800) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba --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 b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:27:42,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:27:42,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:27:42,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:27:42,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:27:42,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:27:42,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:27:42,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:27:42,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:27:42,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:27:42,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:27:42,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:27:42,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:27:42,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:27:42,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:27:42,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:27:42,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:27:42,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:27:42,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:27:42,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:27:42,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:27:42,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:27:42,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:27:42,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:27:42,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:27:42,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:27:42,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:27:42,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:27:42,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:27:42,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:27:42,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:27:42,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:27:42,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:27:42,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:27:42,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:27:42,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:27:42,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:27:42,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:27:42,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:27:42,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:27:42,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:27:42,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-22 00:27:42,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:27:42,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:27:42,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:27:42,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:27:42,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:27:42,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:27:42,592 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:27:42,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:27:42,593 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:27:42,593 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:27:42,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:27:42,594 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:27:42,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:27:42,596 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:27:42,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:27:42,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:27:42,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:27:42,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:27:42,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:27:42,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:27:42,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:27:42,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:27:42,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:27:42,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:27:42,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:27:42,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:27:42,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:27:42,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 00:27:42,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:27:42,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:42,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:27:42,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:27:42,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:27:42,601 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:27:42,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:27:42,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:27:42,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:27:42,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:27:42,603 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_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f [2022-11-22 00:27:43,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:27:43,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:27:43,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:27:43,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:27:43,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:27:43,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/floats-cbmc-regression/float21.i [2022-11-22 00:27:46,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:27:46,730 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:27:46,731 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i [2022-11-22 00:27:46,742 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data/4b8e5be32/6a534f19173948ccbdafb59ff87a90c7/FLAG38d7aa706 [2022-11-22 00:27:46,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/data/4b8e5be32/6a534f19173948ccbdafb59ff87a90c7 [2022-11-22 00:27:46,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:27:46,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:27:46,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:46,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:27:46,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:27:46,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:46" (1/1) ... [2022-11-22 00:27:46,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e5caf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:46, skipping insertion in model container [2022-11-22 00:27:46,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:46" (1/1) ... [2022-11-22 00:27:46,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:27:46,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:27:47,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[40548,40561] [2022-11-22 00:27:47,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[40793,40806] [2022-11-22 00:27:47,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41044,41057] [2022-11-22 00:27:47,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41293,41306] [2022-11-22 00:27:47,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41371,41384] [2022-11-22 00:27:47,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41469,41482] [2022-11-22 00:27:47,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41539,41552] [2022-11-22 00:27:47,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41607,41620] [2022-11-22 00:27:47,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41705,41718] [2022-11-22 00:27:47,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41799,41812] [2022-11-22 00:27:47,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41906,41919] [2022-11-22 00:27:47,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41974,41987] [2022-11-22 00:27:47,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[42220,42233] [2022-11-22 00:27:47,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:47,545 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:27:47,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[40548,40561] [2022-11-22 00:27:47,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[40793,40806] [2022-11-22 00:27:47,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41044,41057] [2022-11-22 00:27:47,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41293,41306] [2022-11-22 00:27:47,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41371,41384] [2022-11-22 00:27:47,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41469,41482] [2022-11-22 00:27:47,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41539,41552] [2022-11-22 00:27:47,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41607,41620] [2022-11-22 00:27:47,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41705,41718] [2022-11-22 00:27:47,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41799,41812] [2022-11-22 00:27:47,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41906,41919] [2022-11-22 00:27:47,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[41974,41987] [2022-11-22 00:27:47,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/sv-benchmarks/c/floats-cbmc-regression/float21.i[42220,42233] [2022-11-22 00:27:47,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:47,788 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:27:47,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47 WrapperNode [2022-11-22 00:27:47,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:47,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:47,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:27:47,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:27:47,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,855 INFO L138 Inliner]: procedures = 449, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2022-11-22 00:27:47,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:47,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:27:47,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:27:47,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:27:47,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:27:47,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:27:47,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:27:47,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:27:47,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (1/1) ... [2022-11-22 00:27:47,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:47,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:27:47,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:27:47,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:27:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 00:27:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:27:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:27:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:27:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 00:27:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 00:27:48,089 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:27:48,091 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:27:56,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:27:56,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:27:56,759 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:27:56,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:56 BoogieIcfgContainer [2022-11-22 00:27:56,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:27:56,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:27:56,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:27:56,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:27:56,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:27:46" (1/3) ... [2022-11-22 00:27:56,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff900ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:56, skipping insertion in model container [2022-11-22 00:27:56,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:47" (2/3) ... [2022-11-22 00:27:56,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff900ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:56, skipping insertion in model container [2022-11-22 00:27:56,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:56" (3/3) ... [2022-11-22 00:27:56,773 INFO L112 eAbstractionObserver]: Analyzing ICFG float21.i [2022-11-22 00:27:56,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:27:56,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-22 00:27:56,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:27:56,861 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f483d0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:27:56,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-22 00:27:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 50 states have internal predecessors, (64), 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) [2022-11-22 00:27:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:27:56,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:56,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 00:27:56,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:27:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:56,882 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-11-22 00:27:56,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:27:56,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323793612] [2022-11-22 00:27:56,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:56,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:27:56,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:27:56,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:27:56,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 00:27:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:57,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:27:57,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:27:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:27:57,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:27:57,182 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:27:57,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323793612] [2022-11-22 00:27:57,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323793612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:57,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:57,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:27:57,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366443577] [2022-11-22 00:27:57,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:57,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:27:57,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:27:57,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:27:57,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:57,241 INFO L87 Difference]: Start difference. First operand has 55 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 50 states have internal predecessors, (64), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:28:00,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:00,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:00,876 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2022-11-22 00:28:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:00,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-22 00:28:00,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:00,910 INFO L225 Difference]: With dead ends: 103 [2022-11-22 00:28:00,910 INFO L226 Difference]: Without dead ends: 47 [2022-11-22 00:28:00,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:00,917 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 30 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:00,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 58 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-22 00:28:00,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-22 00:28:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-22 00:28:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.3125) internal successors, (42), 42 states have internal predecessors, (42), 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) [2022-11-22 00:28:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2022-11-22 00:28:00,959 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 4 [2022-11-22 00:28:00,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:00,959 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2022-11-22 00:28:00,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:28:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2022-11-22 00:28:00,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 00:28:00,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:00,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:00,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:01,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:01,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1079818240, now seen corresponding path program 1 times [2022-11-22 00:28:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:01,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861151300] [2022-11-22 00:28:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:01,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:01,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:01,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:01,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 00:28:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:01,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 00:28:01,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:28:02,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:02,082 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:02,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861151300] [2022-11-22 00:28:02,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861151300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:02,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:02,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 00:28:02,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629769480] [2022-11-22 00:28:02,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:02,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:28:02,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:02,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:28:02,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:28:02,089 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:28:05,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:07,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:09,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:09,862 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2022-11-22 00:28:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:28:09,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-22 00:28:09,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:09,875 INFO L225 Difference]: With dead ends: 47 [2022-11-22 00:28:09,876 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 00:28:09,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:28:09,878 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 37 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:09,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 101 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-22 00:28:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 00:28:09,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-22 00:28:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 40 states have internal predecessors, (40), 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) [2022-11-22 00:28:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2022-11-22 00:28:09,891 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 11 [2022-11-22 00:28:09,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:09,894 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2022-11-22 00:28:09,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:28:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-11-22 00:28:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 00:28:09,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:09,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:09,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:10,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:10,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:10,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:10,110 INFO L85 PathProgramCache]: Analyzing trace with hash -885368843, now seen corresponding path program 1 times [2022-11-22 00:28:10,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:10,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729063478] [2022-11-22 00:28:10,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:10,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:10,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:10,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-22 00:28:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:10,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:28:10,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:28:10,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:10,267 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:10,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729063478] [2022-11-22 00:28:10,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729063478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:10,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:10,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:10,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758058749] [2022-11-22 00:28:10,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:10,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:10,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:10,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:10,271 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:28:13,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:15,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:15,849 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-11-22 00:28:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:15,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-22 00:28:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:15,858 INFO L225 Difference]: With dead ends: 45 [2022-11-22 00:28:15,858 INFO L226 Difference]: Without dead ends: 41 [2022-11-22 00:28:15,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:15,860 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:15,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 42 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-22 00:28:15,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-22 00:28:15,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-22 00:28:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 36 states have internal predecessors, (36), 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) [2022-11-22 00:28:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2022-11-22 00:28:15,868 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 12 [2022-11-22 00:28:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:15,869 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2022-11-22 00:28:15,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:28:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2022-11-22 00:28:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:28:15,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:15,871 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:15,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:16,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:16,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1435316947, now seen corresponding path program 1 times [2022-11-22 00:28:16,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:16,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020220737] [2022-11-22 00:28:16,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:16,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:16,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:16,088 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:16,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-22 00:28:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:16,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 00:28:16,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:28:16,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:16,840 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:16,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020220737] [2022-11-22 00:28:16,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020220737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:16,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:16,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 00:28:16,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559642378] [2022-11-22 00:28:16,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:16,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:28:16,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:16,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:28:16,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:28:16,843 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:20,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:22,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:24,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:24,643 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2022-11-22 00:28:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:28:24,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-11-22 00:28:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:24,659 INFO L225 Difference]: With dead ends: 41 [2022-11-22 00:28:24,659 INFO L226 Difference]: Without dead ends: 39 [2022-11-22 00:28:24,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:28:24,661 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 19 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:24,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 67 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-22 00:28:24,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-22 00:28:24,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-22 00:28:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 34 states have internal predecessors, (34), 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) [2022-11-22 00:28:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2022-11-22 00:28:24,668 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 19 [2022-11-22 00:28:24,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:24,668 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2022-11-22 00:28:24,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2022-11-22 00:28:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 00:28:24,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:24,670 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:24,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:24,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:24,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:24,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1545156500, now seen corresponding path program 1 times [2022-11-22 00:28:24,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:24,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743216608] [2022-11-22 00:28:24,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:24,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:24,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:24,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:24,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-22 00:28:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:24,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:28:24,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:28:25,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:25,132 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:25,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743216608] [2022-11-22 00:28:25,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743216608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:25,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:25,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:25,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584087071] [2022-11-22 00:28:25,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:25,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:25,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:25,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:25,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:25,134 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:27,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:29,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 00:28:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:29,451 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2022-11-22 00:28:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:29,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-22 00:28:29,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:29,460 INFO L225 Difference]: With dead ends: 39 [2022-11-22 00:28:29,460 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 00:28:29,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:29,462 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 19 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:29,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-22 00:28:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 00:28:29,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-22 00:28:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 30 states have internal predecessors, (30), 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) [2022-11-22 00:28:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2022-11-22 00:28:29,472 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2022-11-22 00:28:29,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:29,472 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2022-11-22 00:28:29,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-11-22 00:28:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:28:29,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:29,474 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:29,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:29,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:29,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:29,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1163156356, now seen corresponding path program 1 times [2022-11-22 00:28:29,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:29,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69035040] [2022-11-22 00:28:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:29,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:29,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:29,686 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:29,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-22 00:28:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:29,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:28:29,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:28:29,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:29,961 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:29,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69035040] [2022-11-22 00:28:29,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69035040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:29,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:29,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559750459] [2022-11-22 00:28:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:29,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:29,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:29,963 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:33,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:35,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:36,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:36,537 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2022-11-22 00:28:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:36,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-22 00:28:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:36,550 INFO L225 Difference]: With dead ends: 35 [2022-11-22 00:28:36,550 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 00:28:36,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:36,552 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 13 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:36,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 23 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-22 00:28:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 00:28:36,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-22 00:28:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.12) internal successors, (28), 28 states have internal predecessors, (28), 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) [2022-11-22 00:28:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2022-11-22 00:28:36,557 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2022-11-22 00:28:36,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:36,558 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2022-11-22 00:28:36,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-22 00:28:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 00:28:36,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:36,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:36,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:36,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:36,760 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:36,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1698104541, now seen corresponding path program 1 times [2022-11-22 00:28:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:36,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964359921] [2022-11-22 00:28:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:36,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:36,763 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:36,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-22 00:28:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:36,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:28:36,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:28:37,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:37,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:37,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964359921] [2022-11-22 00:28:37,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964359921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:37,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:37,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:37,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288472640] [2022-11-22 00:28:37,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:37,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:37,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:37,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:37,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:37,061 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:40,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:41,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:42,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:42,338 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2022-11-22 00:28:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:42,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-22 00:28:42,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:42,351 INFO L225 Difference]: With dead ends: 33 [2022-11-22 00:28:42,351 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 00:28:42,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:42,353 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:42,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-22 00:28:42,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 00:28:42,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-22 00:28:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 26 states have internal predecessors, (26), 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) [2022-11-22 00:28:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2022-11-22 00:28:42,360 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2022-11-22 00:28:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:42,360 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2022-11-22 00:28:42,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2022-11-22 00:28:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 00:28:42,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:42,361 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:42,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:42,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:42,563 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2103462324, now seen corresponding path program 1 times [2022-11-22 00:28:42,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:42,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621925629] [2022-11-22 00:28:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:42,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:42,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:42,565 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:42,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-22 00:28:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:42,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 00:28:42,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:28:43,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:43,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:43,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621925629] [2022-11-22 00:28:43,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621925629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:43,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:43,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:43,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309062770] [2022-11-22 00:28:43,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:43,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:28:43,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:43,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:28:43,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:28:43,384 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:45,802 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-11-22 00:28:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:28:45,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-22 00:28:45,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:45,815 INFO L225 Difference]: With dead ends: 31 [2022-11-22 00:28:45,815 INFO L226 Difference]: Without dead ends: 27 [2022-11-22 00:28:45,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:28:45,816 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:45,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 14 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-22 00:28:45,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-22 00:28:45,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-22 00:28:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 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) [2022-11-22 00:28:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-11-22 00:28:45,822 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 26 [2022-11-22 00:28:45,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:45,822 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-22 00:28:45,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:28:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-11-22 00:28:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:28:45,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:45,824 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:45,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-22 00:28:46,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:46,043 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2022-11-22 00:28:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:46,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1859738407, now seen corresponding path program 1 times [2022-11-22 00:28:46,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:28:46,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453497696] [2022-11-22 00:28:46,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:46,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:28:46,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:28:46,045 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 00:28:46,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-22 00:28:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:46,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 00:28:46,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:28:56,607 WARN L837 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 8 24))) (and (fp.isSubnormal |ULTIMATE.start_main_~f~0#1|) (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1|)) |ULTIMATE.start_main_~f~0#1|)))) is different from false [2022-11-22 00:28:58,619 WARN L859 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 8 24))) (and (fp.isSubnormal |ULTIMATE.start_main_~f~0#1|) (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1|)) |ULTIMATE.start_main_~f~0#1|)))) is different from true [2022-11-22 00:28:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:28:58,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:28:58,620 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:28:58,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453497696] [2022-11-22 00:28:58,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453497696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:58,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:58,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:28:58,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961725421] [2022-11-22 00:28:58,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:58,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 00:28:58,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:28:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 00:28:58,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=18, Unknown=2, NotChecked=8, Total=42 [2022-11-22 00:28:58,622 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:29:02,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:05,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:05,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:29:05,221 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-11-22 00:29:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:29:05,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-11-22 00:29:05,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:29:05,234 INFO L225 Difference]: With dead ends: 27 [2022-11-22 00:29:05,234 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:29:05,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=19, Invalid=25, Unknown=2, NotChecked=10, Total=56 [2022-11-22 00:29:05,235 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:29:05,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 28 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 2 Unknown, 25 Unchecked, 6.6s Time] [2022-11-22 00:29:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:29:05,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:29:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:29:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:29:05,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-22 00:29:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:29:05,237 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:29:05,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:29:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:29:05,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:29:05,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 13 remaining) [2022-11-22 00:29:05,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (11 of 13 remaining) [2022-11-22 00:29:05,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (10 of 13 remaining) [2022-11-22 00:29:05,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (9 of 13 remaining) [2022-11-22 00:29:05,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (8 of 13 remaining) [2022-11-22 00:29:05,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (7 of 13 remaining) [2022-11-22 00:29:05,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (6 of 13 remaining) [2022-11-22 00:29:05,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (5 of 13 remaining) [2022-11-22 00:29:05,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (4 of 13 remaining) [2022-11-22 00:29:05,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (3 of 13 remaining) [2022-11-22 00:29:05,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (2 of 13 remaining) [2022-11-22 00:29:05,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (1 of 13 remaining) [2022-11-22 00:29:05,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining) [2022-11-22 00:29:05,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-22 00:29:05,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 00:29:05,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:29:05,717 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 397) no Hoare annotation was computed. [2022-11-22 00:29:05,717 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 387) no Hoare annotation was computed. [2022-11-22 00:29:05,717 INFO L899 garLoopResultBuilder]: For program point L399(line 399) no Hoare annotation was computed. [2022-11-22 00:29:05,717 INFO L899 garLoopResultBuilder]: For program point L399-2(line 399) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point L391(line 391) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 392) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point L392(line 392) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,718 INFO L899 garLoopResultBuilder]: For program point L384(line 384) no Hoare annotation was computed. [2022-11-22 00:29:05,719 INFO L899 garLoopResultBuilder]: For program point L384-1(line 384) no Hoare annotation was computed. [2022-11-22 00:29:05,719 INFO L899 garLoopResultBuilder]: For program point L384-3(line 384) no Hoare annotation was computed. [2022-11-22 00:29:05,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 399) no Hoare annotation was computed. [2022-11-22 00:29:05,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2022-11-22 00:29:05,719 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 33554431.0 2854495385411919762116571938898990272765493248.0)) |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~smallestNormalFloat~0#1| ((_ to_fp 8 24) currentRoundingMode (/ 1.0 85070591730234615865843651857942052864.0))) (= ((_ to_fp 8 24) currentRoundingMode (/ 8388607.0 713623846352979940529142984724747568191373312.0)) |ULTIMATE.start_main_~largestSubnormalFloat~0#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-22 00:29:05,719 INFO L899 garLoopResultBuilder]: For program point L401-1(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,719 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 394) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L899 garLoopResultBuilder]: For program point L402-2(line 402) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L899 garLoopResultBuilder]: For program point L394(line 394) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L899 garLoopResultBuilder]: For program point L394-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,720 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 33554431.0 2854495385411919762116571938898990272765493248.0)) |ULTIMATE.start_main_~v~0#1|) (= ((_ to_fp 8 24) currentRoundingMode (/ 8388607.0 713623846352979940529142984724747568191373312.0)) |ULTIMATE.start_main_~largestSubnormalFloat~0#1|) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~smallestNormalFloat~0#1| ((_ to_fp 8 24) currentRoundingMode (/ 1.0 85070591730234615865843651857942052864.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point L386-1(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 393) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L902 garLoopResultBuilder]: At program point L403(lines 378 404) the Hoare annotation is: true [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point L395(line 395) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point L395-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point L387(line 387) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point L387-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-22 00:29:05,721 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 396) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point L396(line 396) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point L396-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point L388-2(line 388) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:29:05,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 395) no Hoare annotation was computed. [2022-11-22 00:29:05,723 INFO L899 garLoopResultBuilder]: For program point L397(line 397) no Hoare annotation was computed. [2022-11-22 00:29:05,724 INFO L899 garLoopResultBuilder]: For program point L397-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2022-11-22 00:29:05,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2022-11-22 00:29:05,724 INFO L899 garLoopResultBuilder]: For program point L398(line 398) no Hoare annotation was computed. [2022-11-22 00:29:05,724 INFO L899 garLoopResultBuilder]: For program point L398-2(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,725 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 33554431.0 2854495385411919762116571938898990272765493248.0)) |ULTIMATE.start_main_~v~0#1|) (= ((_ to_fp 8 24) currentRoundingMode (/ 8388607.0 713623846352979940529142984724747568191373312.0)) |ULTIMATE.start_main_~largestSubnormalFloat~0#1|) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~smallestNormalFloat~0#1| ((_ to_fp 8 24) currentRoundingMode (/ 1.0 85070591730234615865843651857942052864.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-22 00:29:05,725 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 379 404) no Hoare annotation was computed. [2022-11-22 00:29:05,725 INFO L899 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2022-11-22 00:29:05,725 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2 4) the Hoare annotation is: true [2022-11-22 00:29:05,726 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2022-11-22 00:29:05,726 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2022-11-22 00:29:05,731 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:29:05,734 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:29:05,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:29:05 BoogieIcfgContainer [2022-11-22 00:29:05,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:29:05,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:29:05,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:29:05,744 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:29:05,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:56" (3/4) ... [2022-11-22 00:29:05,750 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:29:05,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-22 00:29:05,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-22 00:29:05,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 00:29:05,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:29:05,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:29:05,821 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:29:05,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:29:05,822 INFO L158 Benchmark]: Toolchain (without parser) took 79059.28ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 63.2MB in the beginning and 70.9MB in the end (delta: -7.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-22 00:29:05,822 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:29:05,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.22ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 39.9MB in the end (delta: 23.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-22 00:29:05,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.38ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 37.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:29:05,824 INFO L158 Benchmark]: Boogie Preprocessor took 48.11ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 35.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:29:05,825 INFO L158 Benchmark]: RCFGBuilder took 8856.79ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 35.7MB in the beginning and 75.1MB in the end (delta: -39.3MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2022-11-22 00:29:05,825 INFO L158 Benchmark]: TraceAbstraction took 68977.90ms. Allocated memory is still 107.0MB. Free memory was 74.4MB in the beginning and 74.1MB in the end (delta: 336.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:29:05,826 INFO L158 Benchmark]: Witness Printer took 77.78ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 70.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:29:05,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1025.22ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 39.9MB in the end (delta: 23.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.38ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 37.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.11ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 35.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8856.79ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 35.7MB in the beginning and 75.1MB in the end (delta: -39.3MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * TraceAbstraction took 68977.90ms. Allocated memory is still 107.0MB. Free memory was 74.4MB in the beginning and 74.1MB in the end (delta: 336.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.78ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 70.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 384]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 387]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 388]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 391]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 392]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 393]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 394]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 395]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 396]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 397]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 398]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 399]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 402]: 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, 55 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 68.9s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 49.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 48.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 203 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 61 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 162 ConstructedInterpolants, 20 QuantifiedInterpolants, 975 SizeOfPredicates, 28 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 32/32 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 13 specifications checked. All of them hold - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 00:29:05,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c9e476-cb79-4b4b-862e-4a0452561850/bin/utaipan-g80aRyZoba/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