./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.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_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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 771ac18762cba65d7655f8783470382cab6df6a6 ........................................................................................................................................................................................................................................................................................................................ 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_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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 771ac18762cba65d7655f8783470382cab6df6a6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:14:51,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:14:51,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:14:51,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:14:51,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:14:51,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:14:51,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:14:51,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:14:51,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:14:51,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:14:51,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:14:51,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:14:51,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:14:51,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:14:51,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:14:51,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:14:51,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:14:51,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:14:51,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:14:51,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:14:51,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:14:51,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:14:51,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:14:51,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:14:51,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:14:51,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:14:51,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:14:51,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:14:51,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:14:51,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:14:51,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:14:51,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:14:51,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:14:51,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:14:51,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:14:51,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:14:51,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:14:51,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:14:51,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:14:51,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:14:51,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:14:51,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 03:14:51,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:14:51,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:14:51,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:14:51,579 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:14:51,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:14:51,579 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:14:51,580 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:14:51,580 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:14:51,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:14:51,581 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:14:51,582 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:14:51,582 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:14:51,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:14:51,583 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:14:51,583 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:14:51,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:14:51,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:14:51,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:14:51,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:14:51,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:14:51,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:14:51,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:14:51,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:14:51,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:14:51,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:14:51,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:14:51,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:14:51,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:14:51,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:14:51,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:14:51,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:14:51,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:14:51,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:14:51,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:14:51,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:14:51,591 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:14:51,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:14:51,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:14:51,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:14:51,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:14:51,592 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_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 771ac18762cba65d7655f8783470382cab6df6a6 [2020-11-30 03:14:51,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:14:51,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:14:51,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:14:51,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:14:51,979 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:14:51,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2020-11-30 03:14:52,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/f530e4cdb/e6ad0286dddb41188f0aa7abdf37fa50/FLAG5007bcb84 [2020-11-30 03:14:52,828 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:14:52,829 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2020-11-30 03:14:52,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/f530e4cdb/e6ad0286dddb41188f0aa7abdf37fa50/FLAG5007bcb84 [2020-11-30 03:14:53,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/f530e4cdb/e6ad0286dddb41188f0aa7abdf37fa50 [2020-11-30 03:14:53,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:14:53,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:14:53,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:14:53,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:14:53,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:14:53,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61092d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53, skipping insertion in model container [2020-11-30 03:14:53,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:14:53,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:14:53,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:14:53,559 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:14:53,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:14:53,699 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:14:53,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53 WrapperNode [2020-11-30 03:14:53,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:14:53,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:14:53,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:14:53,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:14:53,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:14:53,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:14:53,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:14:53,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:14:53,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... [2020-11-30 03:14:53,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:14:53,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:14:53,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:14:53,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:14:53,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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 03:14:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:14:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:14:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 03:14:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 03:14:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 03:14:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:14:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:14:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 03:14:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 03:14:55,035 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:14:55,036 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-11-30 03:14:55,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:55 BoogieIcfgContainer [2020-11-30 03:14:55,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:14:55,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:14:55,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:14:55,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:14:55,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:14:53" (1/3) ... [2020-11-30 03:14:55,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46009b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:14:55, skipping insertion in model container [2020-11-30 03:14:55,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:53" (2/3) ... [2020-11-30 03:14:55,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46009b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:14:55, skipping insertion in model container [2020-11-30 03:14:55,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:55" (3/3) ... [2020-11-30 03:14:55,054 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2020-11-30 03:14:55,068 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:14:55,073 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 03:14:55,088 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 03:14:55,134 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:14:55,135 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:14:55,135 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:14:55,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:14:55,136 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:14:55,136 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:14:55,136 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:14:55,137 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:14:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-11-30 03:14:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 03:14:55,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:55,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:55,165 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:55,174 INFO L82 PathProgramCache]: Analyzing trace with hash -224315456, now seen corresponding path program 1 times [2020-11-30 03:14:55,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:14:55,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493988624] [2020-11-30 03:14:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:14:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:14:55,445 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 03:14:55,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493988624] [2020-11-30 03:14:55,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:14:55,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:14:55,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827276616] [2020-11-30 03:14:55,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 03:14:55,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:14:55,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 03:14:55,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:14:55,481 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2020-11-30 03:14:55,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:14:55,504 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2020-11-30 03:14:55,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 03:14:55,506 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 03:14:55,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:14:55,518 INFO L225 Difference]: With dead ends: 73 [2020-11-30 03:14:55,519 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 03:14:55,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 03:14:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 03:14:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 03:14:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 03:14:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2020-11-30 03:14:55,568 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 9 [2020-11-30 03:14:55,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:14:55,568 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2020-11-30 03:14:55,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 03:14:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2020-11-30 03:14:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 03:14:55,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:55,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:55,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 03:14:55,571 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:55,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:55,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1668381373, now seen corresponding path program 1 times [2020-11-30 03:14:55,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:14:55,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970255372] [2020-11-30 03:14:55,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:14:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:14:55,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:14:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:14:55,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:14:55,782 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 03:14:55,783 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 03:14:55,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 03:14:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:14:55 BoogieIcfgContainer [2020-11-30 03:14:55,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:14:55,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:14:55,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:14:55,867 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:14:55,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:55" (3/4) ... [2020-11-30 03:14:55,871 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 03:14:55,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:14:55,877 INFO L168 Benchmark]: Toolchain (without parser) took 2728.06 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 56.9 MB in the beginning and 75.6 MB in the end (delta: -18.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:55,878 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:14:55,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.48 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 56.6 MB in the beginning and 92.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:55,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.95 ms. Allocated memory is still 117.4 MB. Free memory was 92.1 MB in the beginning and 90.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:55,883 INFO L168 Benchmark]: Boogie Preprocessor took 53.48 ms. Allocated memory is still 117.4 MB. Free memory was 90.0 MB in the beginning and 87.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:55,885 INFO L168 Benchmark]: RCFGBuilder took 1182.63 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 48.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:55,886 INFO L168 Benchmark]: TraceAbstraction took 824.20 ms. Allocated memory is still 117.4 MB. Free memory was 48.0 MB in the beginning and 76.4 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:14:55,887 INFO L168 Benchmark]: Witness Printer took 6.89 ms. Allocated memory is still 117.4 MB. Free memory was 76.4 MB in the beginning and 75.6 MB in the end (delta: 795.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:14:55,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 552.48 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 56.6 MB in the beginning and 92.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.95 ms. Allocated memory is still 117.4 MB. Free memory was 92.1 MB in the beginning and 90.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.48 ms. Allocated memory is still 117.4 MB. Free memory was 90.0 MB in the beginning and 87.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1182.63 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 48.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 824.20 ms. Allocated memory is still 117.4 MB. Free memory was 48.0 MB in the beginning and 76.4 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.89 ms. Allocated memory is still 117.4 MB. Free memory was 76.4 MB in the beginning and 75.6 MB in the end (delta: 795.6 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 someBinaryArithmeticFLOAToperation at line 119, overapproximation of bitwiseAnd at line 154. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L100-L103] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L105] static const float zero = 0.0; [L164] float x = 0.0f; [L108] float y, z; [L109] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L117] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L118] COND TRUE ((hx & 0x7fffffff) == 0) [L119] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L165] float res = __ieee754_log10f(x); [L148] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L150] ieee_float_shape_type gf_u; [L151] gf_u.value = (x) [L152] EXPR gf_u.word [L152] (ix) = gf_u.word [L154] ix &= 0x7fffffff [L155] return ((ix) == 0x7f800000L); [L168] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0960a.c", 3, "reach_error") VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 03:14:59,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:14:59,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:14:59,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:14:59,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:14:59,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:14:59,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:14:59,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:14:59,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:14:59,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:14:59,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:14:59,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:14:59,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:14:59,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:14:59,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:14:59,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:14:59,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:14:59,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:14:59,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:14:59,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:14:59,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:14:59,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:14:59,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:14:59,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:14:59,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:14:59,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:14:59,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:14:59,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:14:59,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:14:59,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:14:59,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:14:59,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:14:59,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:14:59,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:14:59,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:14:59,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:14:59,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:14:59,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:14:59,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:14:59,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:14:59,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:14:59,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 03:14:59,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:14:59,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:14:59,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:14:59,249 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:14:59,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:14:59,250 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:14:59,250 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:14:59,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:14:59,251 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:14:59,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:14:59,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:14:59,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:14:59,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:14:59,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:14:59,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:14:59,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:14:59,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:14:59,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 03:14:59,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 03:14:59,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:14:59,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:14:59,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:14:59,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:14:59,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:14:59,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 03:14:59,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:14:59,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:14:59,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:14:59,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:14:59,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:14:59,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:14:59,260 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 03:14:59,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 03:14:59,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:14:59,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:14:59,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:14:59,262 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_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 771ac18762cba65d7655f8783470382cab6df6a6 [2020-11-30 03:14:59,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:14:59,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:14:59,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:14:59,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:14:59,804 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:14:59,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2020-11-30 03:14:59,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/b80fc6094/80b9eb76243d44b6af7a27d912df171c/FLAGccb314618 [2020-11-30 03:15:00,622 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:15:00,623 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2020-11-30 03:15:00,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/b80fc6094/80b9eb76243d44b6af7a27d912df171c/FLAGccb314618 [2020-11-30 03:15:00,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/data/b80fc6094/80b9eb76243d44b6af7a27d912df171c [2020-11-30 03:15:00,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:15:00,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:15:00,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:15:00,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:15:00,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:15:00,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:15:00" (1/1) ... [2020-11-30 03:15:00,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591a4719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:00, skipping insertion in model container [2020-11-30 03:15:00,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:15:00" (1/1) ... [2020-11-30 03:15:01,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:15:01,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:15:01,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:15:01,319 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:15:01,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:15:01,403 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:15:01,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01 WrapperNode [2020-11-30 03:15:01,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:15:01,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:15:01,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:15:01,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:15:01,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:15:01,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:15:01,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:15:01,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:15:01,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... [2020-11-30 03:15:01,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:15:01,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:15:01,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:15:01,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:15:01,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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 03:15:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 03:15:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:15:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 03:15:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 03:15:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:15:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:15:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 03:15:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 03:15:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 03:15:19,004 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:15:19,005 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-11-30 03:15:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:19 BoogieIcfgContainer [2020-11-30 03:15:19,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:15:19,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:15:19,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:15:19,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:15:19,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:15:00" (1/3) ... [2020-11-30 03:15:19,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348dc06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:15:19, skipping insertion in model container [2020-11-30 03:15:19,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:01" (2/3) ... [2020-11-30 03:15:19,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348dc06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:15:19, skipping insertion in model container [2020-11-30 03:15:19,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:19" (3/3) ... [2020-11-30 03:15:19,018 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2020-11-30 03:15:19,032 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:15:19,037 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 03:15:19,052 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 03:15:19,083 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:15:19,084 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:15:19,084 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:15:19,084 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:15:19,084 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:15:19,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:15:19,085 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:15:19,085 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:15:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-11-30 03:15:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 03:15:19,109 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:19,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:19,110 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:19,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:19,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2020-11-30 03:15:19,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 03:15:19,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126243666] [2020-11-30 03:15:19,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/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 03:15:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:20,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 03:15:20,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:20,201 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 03:15:20,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:20,206 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 03:15:20,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126243666] [2020-11-30 03:15:20,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:20,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 03:15:20,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667515436] [2020-11-30 03:15:20,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 03:15:20,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 03:15:20,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 03:15:20,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:15:20,238 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2020-11-30 03:15:20,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:20,265 INFO L93 Difference]: Finished difference Result 93 states and 151 transitions. [2020-11-30 03:15:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 03:15:20,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 03:15:20,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:20,279 INFO L225 Difference]: With dead ends: 93 [2020-11-30 03:15:20,279 INFO L226 Difference]: Without dead ends: 44 [2020-11-30 03:15:20,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:15:20,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-30 03:15:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-30 03:15:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 03:15:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2020-11-30 03:15:20,326 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2020-11-30 03:15:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:20,326 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2020-11-30 03:15:20,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 03:15:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-11-30 03:15:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 03:15:20,328 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:15:20,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:15:20,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 03:15:20,541 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:15:20,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:15:20,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2020-11-30 03:15:20,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 03:15:20,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077611194] [2020-11-30 03:15:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 03:15:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:21,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 03:15:21,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:21,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 03:15:21,932 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 03:15:21,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:35,701 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 03:15:35,719 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 03:15:35,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077611194] [2020-11-30 03:15:35,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:35,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-11-30 03:15:35,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514704566] [2020-11-30 03:15:35,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 03:15:35,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 03:15:35,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 03:15:35,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-30 03:15:35,725 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 14 states. [2020-11-30 03:15:36,665 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 03:15:37,560 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-11-30 03:15:38,532 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-11-30 03:15:39,029 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-11-30 03:16:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:16:01,379 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2020-11-30 03:16:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 03:16:01,474 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-30 03:16:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:16:01,476 INFO L225 Difference]: With dead ends: 61 [2020-11-30 03:16:01,476 INFO L226 Difference]: Without dead ends: 53 [2020-11-30 03:16:01,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-11-30 03:16:01,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-30 03:16:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-11-30 03:16:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 03:16:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2020-11-30 03:16:01,487 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 13 [2020-11-30 03:16:01,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:16:01,488 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2020-11-30 03:16:01,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 03:16:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2020-11-30 03:16:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 03:16:01,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:16:01,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:16:01,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 03:16:01,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:16:01,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:16:01,704 INFO L82 PathProgramCache]: Analyzing trace with hash -657075683, now seen corresponding path program 1 times [2020-11-30 03:16:01,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 03:16:01,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895787381] [2020-11-30 03:16:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 03:16:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:16:02,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 03:16:02,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:16:02,646 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 03:16:02,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:16:02,735 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 03:16:02,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895787381] [2020-11-30 03:16:02,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:16:02,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 03:16:02,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098172857] [2020-11-30 03:16:02,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 03:16:02,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 03:16:02,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 03:16:02,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 03:16:02,738 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand 6 states. [2020-11-30 03:16:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:16:02,779 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2020-11-30 03:16:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 03:16:02,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-30 03:16:02,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:16:02,780 INFO L225 Difference]: With dead ends: 44 [2020-11-30 03:16:02,780 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 03:16:02,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 03:16:02,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 03:16:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 03:16:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 03:16:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 03:16:02,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-11-30 03:16:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:16:02,781 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 03:16:02,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 03:16:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 03:16:02,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 03:16:02,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 03:16:02,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 03:16:03,296 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-11-30 03:16:03,467 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 03:16:03,470 INFO L274 CegarLoopResult]: For program point L93(lines 93 96) no Hoare annotation was computed. [2020-11-30 03:16:03,470 INFO L274 CegarLoopResult]: For program point L60(lines 60 65) no Hoare annotation was computed. [2020-11-30 03:16:03,470 INFO L274 CegarLoopResult]: For program point L118(lines 118 119) no Hoare annotation was computed. [2020-11-30 03:16:03,471 INFO L274 CegarLoopResult]: For program point L85(lines 85 97) no Hoare annotation was computed. [2020-11-30 03:16:03,471 INFO L270 CegarLoopResult]: At program point L143(lines 107 144) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) [2020-11-30 03:16:03,471 INFO L274 CegarLoopResult]: For program point L168(lines 168 171) no Hoare annotation was computed. [2020-11-30 03:16:03,471 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 03:16:03,471 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 03:16:03,472 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2020-11-30 03:16:03,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 03:16:03,472 INFO L270 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2020-11-30 03:16:03,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 03:16:03,473 INFO L274 CegarLoopResult]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2020-11-30 03:16:03,473 INFO L270 CegarLoopResult]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (= ULTIMATE.start___ieee754_log10f_~x (_ +zero 8 24)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) [2020-11-30 03:16:03,473 INFO L274 CegarLoopResult]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2020-11-30 03:16:03,473 INFO L274 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-11-30 03:16:03,474 INFO L274 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2020-11-30 03:16:03,474 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-11-30 03:16:03,474 INFO L274 CegarLoopResult]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2020-11-30 03:16:03,474 INFO L270 CegarLoopResult]: At program point L137-2(lines 137 141) the Hoare annotation is: false [2020-11-30 03:16:03,474 INFO L274 CegarLoopResult]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2020-11-30 03:16:03,474 INFO L270 CegarLoopResult]: At program point L96(lines 22 98) the Hoare annotation is: false [2020-11-30 03:16:03,474 INFO L274 CegarLoopResult]: For program point L39(lines 39 47) no Hoare annotation was computed. [2020-11-30 03:16:03,475 INFO L274 CegarLoopResult]: For program point L39-1(lines 39 47) no Hoare annotation was computed. [2020-11-30 03:16:03,475 INFO L270 CegarLoopResult]: At program point L155(lines 147 156) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) ULTIMATE.start_isinf_float_~x)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) [2020-11-30 03:16:03,476 INFO L274 CegarLoopResult]: For program point L122(lines 122 123) no Hoare annotation was computed. [2020-11-30 03:16:03,476 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 03:16:03,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 03:16:03,476 INFO L277 CegarLoopResult]: At program point L173(lines 158 174) the Hoare annotation is: true [2020-11-30 03:16:03,476 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-11-30 03:16:03,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 03:16:03,476 INFO L274 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-11-30 03:16:03,477 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2020-11-30 03:16:03,478 INFO L274 CegarLoopResult]: For program point L58(lines 58 74) no Hoare annotation was computed. [2020-11-30 03:16:03,478 INFO L274 CegarLoopResult]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2020-11-30 03:16:03,478 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 153) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) ULTIMATE.start_isinf_float_~x)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) [2020-11-30 03:16:03,478 INFO L274 CegarLoopResult]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2020-11-30 03:16:03,478 INFO L274 CegarLoopResult]: For program point L42-1(lines 42 46) no Hoare annotation was computed. [2020-11-30 03:16:03,478 INFO L270 CegarLoopResult]: At program point L42-2(lines 42 46) the Hoare annotation is: false [2020-11-30 03:16:03,479 INFO L274 CegarLoopResult]: For program point L59(lines 59 66) no Hoare annotation was computed. [2020-11-30 03:16:03,479 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2020-11-30 03:16:03,479 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 30) the Hoare annotation is: false [2020-11-30 03:16:03,479 INFO L274 CegarLoopResult]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2020-11-30 03:16:03,479 INFO L274 CegarLoopResult]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2020-11-30 03:16:03,479 INFO L270 CegarLoopResult]: At program point L51-2(lines 51 55) the Hoare annotation is: false [2020-11-30 03:16:03,480 INFO L274 CegarLoopResult]: For program point L51-3(lines 51 55) no Hoare annotation was computed. [2020-11-30 03:16:03,480 INFO L274 CegarLoopResult]: For program point L68(lines 68 73) no Hoare annotation was computed. [2020-11-30 03:16:03,480 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-11-30 03:16:03,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,508 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,527 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:16:03 BoogieIcfgContainer [2020-11-30 03:16:03,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:16:03,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:16:03,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:16:03,546 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:16:03,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:19" (3/4) ... [2020-11-30 03:16:03,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 03:16:03,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 03:16:03,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 03:16:03,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:16:03,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:16:03,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result)) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) [2020-11-30 03:16:03,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result)) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) [2020-11-30 03:16:03,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) [2020-11-30 03:16:03,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e9eb6011-0bea-4850-b80a-d197c06b0d3f/bin/utaipan/witness.graphml [2020-11-30 03:16:03,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:16:03,716 INFO L168 Benchmark]: Toolchain (without parser) took 62745.41 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 27.2 MB in the end (delta: -608.2 kB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,717 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:16:03,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.30 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 23.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.69 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.6 MB in the beginning and 43.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,719 INFO L168 Benchmark]: Boogie Preprocessor took 100.86 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 40.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,720 INFO L168 Benchmark]: RCFGBuilder took 17358.36 ms. Allocated memory is still 60.8 MB. Free memory was 40.9 MB in the beginning and 40.0 MB in the end (delta: 829.0 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,721 INFO L168 Benchmark]: TraceAbstraction took 44536.19 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 33.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,721 INFO L168 Benchmark]: Witness Printer took 168.99 ms. Allocated memory is still 60.8 MB. Free memory was 33.1 MB in the beginning and 27.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 03:16:03,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.30 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 23.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.69 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.6 MB in the beginning and 43.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.86 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 40.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17358.36 ms. Allocated memory is still 60.8 MB. Free memory was 40.9 MB in the beginning and 40.0 MB in the end (delta: 829.0 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44536.19 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 33.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 168.99 ms. Allocated memory is still 60.8 MB. Free memory was 33.1 MB in the beginning and 27.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 107]: Loop Invariant [2020-11-30 03:16:03,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result)) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant [2020-11-30 03:16:03,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant [2020-11-30 03:16:03,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 && x == ~Pluszero~LONGDOUBLE()) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant [2020-11-30 03:16:03,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 03:16:03,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:16:03,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result)) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 25.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 103 SDtfs, 109 SDslu, 320 SDs, 0 SdLazy, 151 SolverSat, 5 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 23.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 144 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 12 QuantifiedInterpolants, 4888 SizeOfPredicates, 15 NumberOfNonLiveVariables, 203 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...