./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11.c --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_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ........................................................................................................................................................................................................................................... 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_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:16:12,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:16:12,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:16:12,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:16:12,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:16:12,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:16:12,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:16:12,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:16:12,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:16:12,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:16:12,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:16:12,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:16:12,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:16:12,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:16:12,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:16:12,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:16:12,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:16:12,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:16:12,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:16:12,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:16:12,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:16:12,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:16:12,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:16:12,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:16:12,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:16:12,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:16:12,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:16:12,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:16:12,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:16:12,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:16:12,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:16:12,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:16:12,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:16:12,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:16:12,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:16:12,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:16:12,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:16:12,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:16:12,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:16:12,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:16:12,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:16:12,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:16:12,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:16:12,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:16:12,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:16:12,590 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:16:12,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:16:12,590 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:16:12,591 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:16:12,591 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:16:12,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:16:12,591 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:16:12,593 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:16:12,594 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:16:12,594 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:16:12,594 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:16:12,595 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:16:12,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:16:12,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:16:12,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:16:12,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:16:12,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:16:12,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:16:12,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:16:12,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:16:12,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:16:12,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:16:12,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:16:12,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:16:12,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:16:12,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:16:12,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:16:12,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:16:12,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:16:12,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:16:12,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:16:12,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:16:12,605 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:16:12,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:16:12,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:16:12,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:16:12,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:16:12,606 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_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-11-30 02:16:12,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:16:13,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:16:13,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:16:13,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:16:13,013 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:16:13,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-30 02:16:13,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/a1121bda4/35a42db0d5ff4150bb505230b0bc2fc7/FLAGb6b066f43 [2020-11-30 02:16:13,659 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:16:13,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-30 02:16:13,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/a1121bda4/35a42db0d5ff4150bb505230b0bc2fc7/FLAGb6b066f43 [2020-11-30 02:16:14,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/a1121bda4/35a42db0d5ff4150bb505230b0bc2fc7 [2020-11-30 02:16:14,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:16:14,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:16:14,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:16:14,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:16:14,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:16:14,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7318276d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14, skipping insertion in model container [2020-11-30 02:16:14,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:16:14,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:16:14,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:16:14,448 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:16:14,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:16:14,534 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:16:14,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14 WrapperNode [2020-11-30 02:16:14,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:16:14,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:16:14,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:16:14,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:16:14,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:16:14,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:16:14,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:16:14,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:16:14,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... [2020-11-30 02:16:14,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:16:14,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:16:14,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:16:14,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:16:14,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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 [2020-11-30 02:16:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:16:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:16:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:16:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:16:15,503 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:16:15,503 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-11-30 02:16:15,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:16:15 BoogieIcfgContainer [2020-11-30 02:16:15,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:16:15,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:16:15,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:16:15,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:16:15,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:16:14" (1/3) ... [2020-11-30 02:16:15,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5194c295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:16:15, skipping insertion in model container [2020-11-30 02:16:15,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:14" (2/3) ... [2020-11-30 02:16:15,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5194c295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:16:15, skipping insertion in model container [2020-11-30 02:16:15,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:16:15" (3/3) ... [2020-11-30 02:16:15,521 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-11-30 02:16:15,536 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:16:15,540 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-11-30 02:16:15,553 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-11-30 02:16:15,582 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:16:15,582 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:16:15,582 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:16:15,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:16:15,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:16:15,583 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:16:15,583 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:16:15,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:16:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-11-30 02:16:15,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 02:16:15,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:16:15,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-30 02:16:15,615 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:16:15,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:16:15,623 INFO L82 PathProgramCache]: Analyzing trace with hash 329784, now seen corresponding path program 1 times [2020-11-30 02:16:15,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:16:15,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190418213] [2020-11-30 02:16:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:16:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:16:15,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:16:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:16:15,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:16:15,808 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 02:16:15,809 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:16:15,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:16:15,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:16:15 BoogieIcfgContainer [2020-11-30 02:16:15,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:16:15,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:16:15,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:16:15,835 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:16:15,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:16:15" (3/4) ... [2020-11-30 02:16:15,840 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 02:16:15,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:16:15,844 INFO L168 Benchmark]: Toolchain (without parser) took 1783.34 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 64.6 MB in the beginning and 59.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:15,845 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:16:15,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.95 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 62.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:15,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.44 ms. Allocated memory is still 86.0 MB. Free memory was 62.2 MB in the beginning and 60.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:15,848 INFO L168 Benchmark]: Boogie Preprocessor took 35.26 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 59.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:15,849 INFO L168 Benchmark]: RCFGBuilder took 863.38 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 59.1 MB in the beginning and 71.9 MB in the end (delta: -12.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:15,850 INFO L168 Benchmark]: TraceAbstraction took 325.34 ms. Allocated memory is still 107.0 MB. Free memory was 71.3 MB in the beginning and 59.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:15,851 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 107.0 MB. Free memory was 59.6 MB in the beginning and 59.4 MB in the end (delta: 276.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:16:15,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.95 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 62.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.44 ms. Allocated memory is still 86.0 MB. Free memory was 62.2 MB in the beginning and 60.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.26 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 59.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 863.38 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 59.1 MB in the beginning and 71.9 MB in the end (delta: -12.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 325.34 ms. Allocated memory is still 107.0 MB. Free memory was 71.3 MB in the beginning and 59.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.76 ms. Allocated memory is still 107.0 MB. Free memory was 59.6 MB in the beginning and 59.4 MB in the end (delta: 276.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0<2.5) [L3] __assert_fail("0", "float11.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:16:19,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:16:19,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:16:19,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:16:19,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:16:19,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:16:19,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:16:19,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:16:19,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:16:19,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:16:19,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:16:19,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:16:19,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:16:19,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:16:19,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:16:19,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:16:19,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:16:19,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:16:19,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:16:19,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:16:19,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:16:19,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:16:19,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:16:19,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:16:19,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:16:19,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:16:19,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:16:19,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:16:19,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:16:19,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:16:19,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:16:19,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:16:19,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:16:19,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:16:19,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:16:19,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:16:19,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:16:19,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:16:19,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:16:19,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:16:19,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:16:19,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:16:19,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:16:19,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:16:19,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:16:19,218 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:16:19,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:16:19,218 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:16:19,219 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:16:19,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:16:19,219 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:16:19,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:16:19,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:16:19,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:16:19,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:16:19,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:16:19,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:16:19,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:16:19,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:16:19,223 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:16:19,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:16:19,224 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:16:19,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:16:19,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:16:19,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:16:19,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:16:19,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:16:19,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:16:19,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:16:19,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:16:19,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:16:19,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:16:19,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:16:19,228 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:16:19,228 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:16:19,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:16:19,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:16:19,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:16:19,230 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_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-11-30 02:16:19,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:16:19,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:16:19,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:16:19,765 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:16:19,768 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:16:19,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-30 02:16:19,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/7a41d4818/42f0769c47a44a04a6830d13c932a05a/FLAG37f7536af [2020-11-30 02:16:20,569 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:16:20,570 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-11-30 02:16:20,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/7a41d4818/42f0769c47a44a04a6830d13c932a05a/FLAG37f7536af [2020-11-30 02:16:20,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/data/7a41d4818/42f0769c47a44a04a6830d13c932a05a [2020-11-30 02:16:20,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:16:20,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:16:20,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:16:20,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:16:20,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:16:20,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:16:20" (1/1) ... [2020-11-30 02:16:20,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ce2cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:20, skipping insertion in model container [2020-11-30 02:16:20,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:16:20" (1/1) ... [2020-11-30 02:16:20,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:16:21,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:16:21,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:16:21,341 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:16:21,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:16:21,504 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:16:21,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21 WrapperNode [2020-11-30 02:16:21,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:16:21,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:16:21,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:16:21,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:16:21,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:16:21,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:16:21,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:16:21,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:16:21,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... [2020-11-30 02:16:21,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:16:21,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:16:21,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:16:21,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:16:21,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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 [2020-11-30 02:16:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:16:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:16:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:16:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:16:22,617 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:16:22,618 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-11-30 02:16:22,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:16:22 BoogieIcfgContainer [2020-11-30 02:16:22,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:16:22,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:16:22,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:16:22,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:16:22,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:16:20" (1/3) ... [2020-11-30 02:16:22,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2808d539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:16:22, skipping insertion in model container [2020-11-30 02:16:22,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:16:21" (2/3) ... [2020-11-30 02:16:22,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2808d539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:16:22, skipping insertion in model container [2020-11-30 02:16:22,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:16:22" (3/3) ... [2020-11-30 02:16:22,634 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-11-30 02:16:22,648 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:16:22,654 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-11-30 02:16:22,668 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-11-30 02:16:22,722 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:16:22,722 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:16:22,722 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:16:22,722 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:16:22,723 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:16:22,723 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:16:22,723 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:16:22,723 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:16:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-30 02:16:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 02:16:22,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:16:22,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 02:16:22,766 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:16:22,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:16:22,774 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-30 02:16:22,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:16:22,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002266504] [2020-11-30 02:16:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/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 [2020-11-30 02:16:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:16:22,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:16:22,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:16:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:16:22,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:16:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:16:22,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002266504] [2020-11-30 02:16:22,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:16:22,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:16:22,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661940649] [2020-11-30 02:16:22,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:16:22,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:16:22,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:16:22,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:16:22,965 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-11-30 02:16:23,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:16:23,010 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2020-11-30 02:16:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:16:23,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-11-30 02:16:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:16:23,027 INFO L225 Difference]: With dead ends: 157 [2020-11-30 02:16:23,028 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:16:23,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:16:23,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:16:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:16:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:16:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:16:23,069 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-30 02:16:23,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:16:23,069 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:16:23,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:16:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:16:23,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:16:23,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:16:23,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:16:23,290 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,290 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,290 INFO L274 CegarLoopResult]: For program point L19-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point L36-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point L3-3(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,291 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point L3-5(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point L3-7(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point L3-9(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,292 INFO L274 CegarLoopResult]: For program point L3-10(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-11(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-12(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-13(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-14(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-15(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-16(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L20-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,293 INFO L274 CegarLoopResult]: For program point L3-17(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-18(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-19(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-20(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-21(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-22(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-23(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-24(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,294 INFO L274 CegarLoopResult]: For program point L3-25(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point L3-26(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point L3-27(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point L3-28(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point L3-29(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point L3-30(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,295 INFO L274 CegarLoopResult]: For program point L3-31(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L4(lines 4 42) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L3-32(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L3-33(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L3-34(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L3-35(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L3-36(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,296 INFO L274 CegarLoopResult]: For program point L3-37(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,297 INFO L274 CegarLoopResult]: For program point L3-38(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,297 INFO L274 CegarLoopResult]: For program point L3-39(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,297 INFO L274 CegarLoopResult]: For program point L3-40(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,297 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,297 INFO L274 CegarLoopResult]: For program point L3-41(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,297 INFO L274 CegarLoopResult]: For program point L3-42(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L3-43(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L3-44(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L3-45(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L3-46(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L21-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L3-47(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,298 INFO L274 CegarLoopResult]: For program point L3-48(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,299 INFO L274 CegarLoopResult]: For program point L3-49(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,299 INFO L274 CegarLoopResult]: For program point L3-50(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,299 INFO L274 CegarLoopResult]: For program point L3-51(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,299 INFO L274 CegarLoopResult]: For program point L3-52(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,299 INFO L274 CegarLoopResult]: For program point L3-53(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,299 INFO L274 CegarLoopResult]: For program point L3-54(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point L3-55(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point L3-56(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point L3-57(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point L3-58(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point L3-59(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,300 INFO L274 CegarLoopResult]: For program point L38-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,301 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,301 INFO L274 CegarLoopResult]: For program point L22-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,301 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,301 INFO L274 CegarLoopResult]: For program point L39-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,301 INFO L274 CegarLoopResult]: For program point L23-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,301 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-11-30 02:16:23,302 INFO L274 CegarLoopResult]: For program point L40-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,302 INFO L274 CegarLoopResult]: For program point L7-2(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,302 INFO L274 CegarLoopResult]: For program point L24-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,303 INFO L274 CegarLoopResult]: For program point L8-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,303 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:16:23,303 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,303 INFO L274 CegarLoopResult]: For program point L25-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,303 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,303 INFO L274 CegarLoopResult]: For program point L9-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,304 INFO L274 CegarLoopResult]: For program point L26-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,304 INFO L274 CegarLoopResult]: For program point L10-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,305 INFO L274 CegarLoopResult]: For program point L11-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:16:23,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,305 INFO L274 CegarLoopResult]: For program point L12-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,306 INFO L274 CegarLoopResult]: For program point L29-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,306 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,306 INFO L274 CegarLoopResult]: For program point L13-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,306 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,306 INFO L274 CegarLoopResult]: For program point L30-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,306 INFO L274 CegarLoopResult]: For program point L14-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,307 INFO L274 CegarLoopResult]: For program point L31-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,307 INFO L274 CegarLoopResult]: For program point L15-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,307 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:16:23,308 INFO L274 CegarLoopResult]: For program point L32-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,308 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,308 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,308 INFO L274 CegarLoopResult]: For program point L33-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,308 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,308 INFO L274 CegarLoopResult]: For program point L34-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,309 INFO L274 CegarLoopResult]: For program point L18-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:16:23,309 INFO L274 CegarLoopResult]: For program point L35-1(lines 5 42) no Hoare annotation was computed. [2020-11-30 02:16:23,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:16:23 BoogieIcfgContainer [2020-11-30 02:16:23,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:16:23,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:16:23,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:16:23,318 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:16:23,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:16:22" (3/4) ... [2020-11-30 02:16:23,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:16:23,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-30 02:16:23,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 02:16:23,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:16:23,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:16:23,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9daf245f-1ff2-4648-8327-aea3a32dd0fc/bin/utaipan/witness.graphml [2020-11-30 02:16:23,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:16:23,425 INFO L168 Benchmark]: Toolchain (without parser) took 2481.79 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.3 MB in the beginning and 30.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:23,426 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:16:23,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.16 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 49.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:23,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.46 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 47.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:16:23,427 INFO L168 Benchmark]: Boogie Preprocessor took 47.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 45.4 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:16:23,428 INFO L168 Benchmark]: RCFGBuilder took 993.48 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 39.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:23,429 INFO L168 Benchmark]: TraceAbstraction took 691.64 ms. Allocated memory is still 67.1 MB. Free memory was 39.3 MB in the beginning and 35.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:23,429 INFO L168 Benchmark]: Witness Printer took 105.07 ms. Allocated memory is still 67.1 MB. Free memory was 35.5 MB in the beginning and 31.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:16:23,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.16 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 49.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.46 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 47.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 45.4 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 993.48 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 39.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 691.64 ms. Allocated memory is still 67.1 MB. Free memory was 39.3 MB in the beginning and 35.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Witness Printer took 105.07 ms. Allocated memory is still 67.1 MB. Free memory was 35.5 MB in the beginning and 31.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 1 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...