./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan --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 7c5678568630a4199d94fed33c5301bef19d60be .................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan --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 7c5678568630a4199d94fed33c5301bef19d60be .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:03,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:03,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:03,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:03,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:03,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:03,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:03,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:03,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:03,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:03,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:03,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:03,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:03,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:03,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:03,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:03,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:03,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:03,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:03,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:03,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:03,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:03,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:03,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:03,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:03,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:03,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:03,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:03,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:03,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:03,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:03,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:03,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:03,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:03,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:03,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:03,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:03,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:03,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:03,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:03,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:03,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:07:03,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:03,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:03,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:03,262 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:03,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:03,263 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:03,263 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:03,263 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:03,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:03,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:03,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:03,264 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:03,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:03,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:03,265 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:03,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:03,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:03,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:03,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:03,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:03,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:03,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:03,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:03,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:03,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:03,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:03,268 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:03,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:03,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:03,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:03,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:03,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:03,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:03,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:03,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:03,270 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:03,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:03,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:03,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:03,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:03,271 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-11-22 13:07:03,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:03,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:03,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:03,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:03,575 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:03,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-22 13:07:03,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/1d00a5e99/7cf0f3d89a544303ae6908fe24f3a3bc/FLAG3a15f6287 [2020-11-22 13:07:04,267 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:04,268 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-22 13:07:04,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/1d00a5e99/7cf0f3d89a544303ae6908fe24f3a3bc/FLAG3a15f6287 [2020-11-22 13:07:04,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/1d00a5e99/7cf0f3d89a544303ae6908fe24f3a3bc [2020-11-22 13:07:04,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:04,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:04,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:04,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:04,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:04,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:04" (1/1) ... [2020-11-22 13:07:04,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fb85d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:04, skipping insertion in model container [2020-11-22 13:07:04,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:04" (1/1) ... [2020-11-22 13:07:04,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:04,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:05,097 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:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) 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:705) 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:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-11-22 13:07:05,101 INFO L168 Benchmark]: Toolchain (without parser) took 598.34 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 76.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:05,102 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 76.3 MB in the beginning and 76.3 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:05,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.42 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 76.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:05,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 76.3 MB in the beginning and 76.3 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 595.42 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 76.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:07,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:07,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:07,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:07,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:07,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:07,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:07,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:07,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:07,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:07,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:07,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:07,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:07,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:07,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:07,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:07,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:07,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:07,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:07,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:07,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:07,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:07,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:07,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:07,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:07,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:07,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:07,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:07,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:07,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:07,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:07,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:07,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:07,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:07,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:07,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:07,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:07,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:07,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:07,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:07,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:07,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:07:07,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:07,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:07,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:07,470 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:07,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:07,470 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:07,471 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:07,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:07,471 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:07,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:07,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:07,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:07,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:07,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:07,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:07,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:07,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:07,475 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:07:07,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:07:07,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:07,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:07,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:07,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:07,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:07,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:07:07,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:07,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:07,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:07,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:07,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:07,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:07,478 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:07:07,478 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:07:07,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:07,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:07,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:07,479 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-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-11-22 13:07:07,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:07,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:07,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:07,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:07,951 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:07,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-22 13:07:08,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/67391a7e9/055e04a22f4f4d90b179f5ae269058df/FLAG525fb05d6 [2020-11-22 13:07:08,729 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:08,735 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-22 13:07:08,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/67391a7e9/055e04a22f4f4d90b179f5ae269058df/FLAG525fb05d6 [2020-11-22 13:07:08,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/data/67391a7e9/055e04a22f4f4d90b179f5ae269058df [2020-11-22 13:07:08,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:08,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:08,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:08,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:08,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:08,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:08" (1/1) ... [2020-11-22 13:07:08,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354595ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:08, skipping insertion in model container [2020-11-22 13:07:08,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:08" (1/1) ... [2020-11-22 13:07:08,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:09,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:09,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:09,739 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:07:09,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:10,164 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:07:10,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10 WrapperNode [2020-11-22 13:07:10,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:10,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:10,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:07:10,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:07:10,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:10,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:07:10,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:07:10,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:07:10,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... [2020-11-22 13:07:10,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:07:10,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:07:10,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:07:10,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:07:10,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:07:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:07:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:07:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:07:10,850 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:07:10,850 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-22 13:07:10,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:10 BoogieIcfgContainer [2020-11-22 13:07:10,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:07:10,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:07:10,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:07:10,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:07:10,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:07:08" (1/3) ... [2020-11-22 13:07:10,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37edb088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:10, skipping insertion in model container [2020-11-22 13:07:10,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:10" (2/3) ... [2020-11-22 13:07:10,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37edb088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:10, skipping insertion in model container [2020-11-22 13:07:10,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:10" (3/3) ... [2020-11-22 13:07:10,858 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2020-11-22 13:07:10,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:07:10,872 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-11-22 13:07:10,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-11-22 13:07:10,921 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:07:10,921 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:07:10,922 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:07:10,922 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:07:10,922 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:07:10,922 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:07:10,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:07:10,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:07:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-11-22 13:07:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-22 13:07:10,950 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:10,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-22 13:07:10,953 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:10,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:10,958 INFO L82 PathProgramCache]: Analyzing trace with hash 889510762, now seen corresponding path program 1 times [2020-11-22 13:07:10,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:10,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975266383] [2020-11-22 13:07:10,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:07:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:11,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:07:11,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:11,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:11,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975266383] [2020-11-22 13:07:11,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:11,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:07:11,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74409410] [2020-11-22 13:07:11,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:07:11,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:11,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:07:11,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:07:11,136 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-11-22 13:07:11,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:11,155 INFO L93 Difference]: Finished difference Result 124 states and 175 transitions. [2020-11-22 13:07:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:07:11,156 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-22 13:07:11,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:11,170 INFO L225 Difference]: With dead ends: 124 [2020-11-22 13:07:11,170 INFO L226 Difference]: Without dead ends: 55 [2020-11-22 13:07:11,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:07:11,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-22 13:07:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-22 13:07:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-22 13:07:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2020-11-22 13:07:11,205 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 6 [2020-11-22 13:07:11,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:11,206 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2020-11-22 13:07:11,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:07:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-11-22 13:07:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-22 13:07:11,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:11,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-22 13:07:11,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:07:11,418 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:11,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:11,419 INFO L82 PathProgramCache]: Analyzing trace with hash 889570344, now seen corresponding path program 1 times [2020-11-22 13:07:11,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:11,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045079724] [2020-11-22 13:07:11,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:07:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:11,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:07:11,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:12,331 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 11 [2020-11-22 13:07:12,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:07:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:12,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:12,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045079724] [2020-11-22 13:07:12,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:12,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:07:12,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157762262] [2020-11-22 13:07:12,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:07:12,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:12,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:07:12,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:07:12,423 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 6 states. [2020-11-22 13:07:12,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:12,589 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-11-22 13:07:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:07:12,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-11-22 13:07:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:12,591 INFO L225 Difference]: With dead ends: 55 [2020-11-22 13:07:12,591 INFO L226 Difference]: Without dead ends: 46 [2020-11-22 13:07:12,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:07:12,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-22 13:07:12,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-22 13:07:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-22 13:07:12,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2020-11-22 13:07:12,603 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 6 [2020-11-22 13:07:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:12,604 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2020-11-22 13:07:12,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:07:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2020-11-22 13:07:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 13:07:12,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:12,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:07:12,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:07:12,807 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:12,808 INFO L82 PathProgramCache]: Analyzing trace with hash -325797734, now seen corresponding path program 1 times [2020-11-22 13:07:12,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:12,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698434349] [2020-11-22 13:07:12,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:07:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:12,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:07:12,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:12,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:07:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:12,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:12,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698434349] [2020-11-22 13:07:13,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:13,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:07:13,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059074959] [2020-11-22 13:07:13,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:07:13,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:13,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:07:13,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:07:13,002 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 6 states. [2020-11-22 13:07:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:13,078 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2020-11-22 13:07:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:07:13,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-22 13:07:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:13,080 INFO L225 Difference]: With dead ends: 46 [2020-11-22 13:07:13,080 INFO L226 Difference]: Without dead ends: 40 [2020-11-22 13:07:13,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:07:13,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-22 13:07:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-22 13:07:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-22 13:07:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2020-11-22 13:07:13,084 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 11 [2020-11-22 13:07:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:13,085 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2020-11-22 13:07:13,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:07:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2020-11-22 13:07:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 13:07:13,085 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:13,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:07:13,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:07:13,286 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:13,287 INFO L82 PathProgramCache]: Analyzing trace with hash 386947499, now seen corresponding path program 1 times [2020-11-22 13:07:13,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:13,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360372265] [2020-11-22 13:07:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:07:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:13,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:07:13,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:13,445 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:07:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:13,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:13,597 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 3 [2020-11-22 13:07:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:13,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360372265] [2020-11-22 13:07:13,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:13,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:07:13,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054849831] [2020-11-22 13:07:13,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:07:13,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:13,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:07:13,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:07:13,640 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 6 states. [2020-11-22 13:07:13,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:13,765 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-11-22 13:07:13,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:07:13,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-11-22 13:07:13,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:13,767 INFO L225 Difference]: With dead ends: 40 [2020-11-22 13:07:13,767 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 13:07:13,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:07:13,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 13:07:13,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 13:07:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 13:07:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2020-11-22 13:07:13,770 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 15 [2020-11-22 13:07:13,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:13,771 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2020-11-22 13:07:13,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:07:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-11-22 13:07:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-22 13:07:13,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:13,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:07:13,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:07:13,988 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:13,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:13,989 INFO L82 PathProgramCache]: Analyzing trace with hash -411429104, now seen corresponding path program 1 times [2020-11-22 13:07:13,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:13,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660660897] [2020-11-22 13:07:13,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:07:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:14,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:07:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:14,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:07:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:14,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:14,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660660897] [2020-11-22 13:07:14,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:14,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:07:14,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323687553] [2020-11-22 13:07:14,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:07:14,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:14,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:07:14,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:07:14,194 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 6 states. [2020-11-22 13:07:14,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:14,331 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-11-22 13:07:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:07:14,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-22 13:07:14,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:14,332 INFO L225 Difference]: With dead ends: 31 [2020-11-22 13:07:14,332 INFO L226 Difference]: Without dead ends: 25 [2020-11-22 13:07:14,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:07:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-22 13:07:14,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-22 13:07:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-22 13:07:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-11-22 13:07:14,335 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-11-22 13:07:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:14,335 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-11-22 13:07:14,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:07:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-11-22 13:07:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:07:14,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:14,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:07:14,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:07:14,547 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:14,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1254054753, now seen corresponding path program 1 times [2020-11-22 13:07:14,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:14,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025416536] [2020-11-22 13:07:14,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:07:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:14,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:07:14,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:14,718 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:07:14,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:07:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:14,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:14,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025416536] [2020-11-22 13:07:14,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:14,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-11-22 13:07:14,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403768689] [2020-11-22 13:07:14,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:07:14,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:14,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:07:14,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:07:14,799 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 5 states. [2020-11-22 13:07:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:14,896 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-11-22 13:07:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:07:14,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:07:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:14,896 INFO L225 Difference]: With dead ends: 25 [2020-11-22 13:07:14,896 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:07:14,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:07:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:07:14,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:07:14,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:07:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:07:14,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 13:07:14,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:14,898 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:07:14,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:07:14,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:07:14,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:07:15,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:07:15,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:07:15,102 INFO L274 CegarLoopResult]: For program point L2-1(line 981) no Hoare annotation was computed. [2020-11-22 13:07:15,102 INFO L274 CegarLoopResult]: For program point L2-2(line 988) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L2-3(line 997) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L2-4(line 1004) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L988-1(lines 968 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L997-1(lines 968 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L989-1(lines 968 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,104 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L981-1(lines 968 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,105 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L973-1(lines 968 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L998-1(line 998) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,106 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L990-1(line 990) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point L974-1(lines 968 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:07:15,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,108 INFO L274 CegarLoopResult]: For program point L975-1(line 975) no Hoare annotation was computed. [2020-11-22 13:07:15,108 INFO L274 CegarLoopResult]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2020-11-22 13:07:15,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-22 13:07:15,108 INFO L274 CegarLoopResult]: For program point L2(line 973) no Hoare annotation was computed. [2020-11-22 13:07:15,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:07:15 BoogieIcfgContainer [2020-11-22 13:07:15,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:07:15,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:07:15,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:07:15,114 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:07:15,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:10" (3/4) ... [2020-11-22 13:07:15,117 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:07:15,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-22 13:07:15,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-22 13:07:15,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:07:15,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:07:15,195 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f3da27e3-43fe-461a-aa93-bbce03c328be/bin/utaipan/witness.graphml [2020-11-22 13:07:15,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:07:15,197 INFO L168 Benchmark]: Toolchain (without parser) took 6240.94 ms. Allocated memory was 56.6 MB in the beginning and 86.0 MB in the end (delta: 29.4 MB). Free memory was 39.8 MB in the beginning and 47.3 MB in the end (delta: -7.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:15,197 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 46.1 MB. Free memory was 28.9 MB in the beginning and 28.9 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:15,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.86 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 39.7 MB in the beginning and 31.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:15,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.74 ms. Allocated memory is still 71.3 MB. Free memory was 31.6 MB in the beginning and 28.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:15,199 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 ms. Allocated memory is still 71.3 MB. Free memory was 28.9 MB in the beginning and 27.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:15,199 INFO L168 Benchmark]: RCFGBuilder took 567.01 ms. Allocated memory is still 71.3 MB. Free memory was 27.4 MB in the beginning and 36.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:15,200 INFO L168 Benchmark]: TraceAbstraction took 4260.38 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 52.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:15,200 INFO L168 Benchmark]: Witness Printer took 82.33 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 47.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:15,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 46.1 MB. Free memory was 28.9 MB in the beginning and 28.9 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1207.86 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 39.7 MB in the beginning and 31.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.74 ms. Allocated memory is still 71.3 MB. Free memory was 31.6 MB in the beginning and 28.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.12 ms. Allocated memory is still 71.3 MB. Free memory was 28.9 MB in the beginning and 27.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 567.01 ms. Allocated memory is still 71.3 MB. Free memory was 27.4 MB in the beginning and 36.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4260.38 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 52.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 82.33 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 47.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 201 SDtfs, 114 SDslu, 202 SDs, 0 SdLazy, 89 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 4890 SizeOfPredicates, 15 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...