./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 788527977e7ebd7aa0a832758f41b65d3cbd270a ............................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 788527977e7ebd7aa0a832758f41b65d3cbd270a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:01:06,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:01:06,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:01:06,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:01:06,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:01:06,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:01:06,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:01:06,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:01:06,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:01:06,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:01:06,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:01:06,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:01:06,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:01:06,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:01:06,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:01:06,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:01:06,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:01:06,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:01:06,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:01:06,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:01:06,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:01:06,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:01:06,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:01:06,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:01:06,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:01:06,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:01:06,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:01:06,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:01:06,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:01:06,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:01:06,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:01:06,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:01:06,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:01:06,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:01:06,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:01:06,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:01:06,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:01:06,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:01:06,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:01:06,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:01:06,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:01:06,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:01:06,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:01:06,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:01:06,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:01:06,286 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:01:06,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:01:06,286 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:01:06,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:01:06,287 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:01:06,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:01:06,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:01:06,287 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:01:06,288 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:01:06,288 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:01:06,288 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:01:06,288 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:01:06,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:01:06,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:01:06,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:01:06,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:01:06,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:01:06,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:01:06,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:01:06,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:01:06,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:01:06,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:01:06,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:01:06,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:01:06,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:01:06,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:01:06,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:01:06,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:01:06,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:01:06,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:01:06,294 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:01:06,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:01:06,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:01:06,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:01:06,294 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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(__VERIFIER_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 -> 788527977e7ebd7aa0a832758f41b65d3cbd270a [2019-11-26 02:01:06,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:01:06,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:01:06,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:01:06,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:01:06,474 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:01:06,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-26 02:01:06,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/98f2cbcf4/dd45de5d8a984821a97ac78be5927829/FLAGfe6051753 [2019-11-26 02:01:06,878 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:01:06,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-26 02:01:06,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/98f2cbcf4/dd45de5d8a984821a97ac78be5927829/FLAGfe6051753 [2019-11-26 02:01:07,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/98f2cbcf4/dd45de5d8a984821a97ac78be5927829 [2019-11-26 02:01:07,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:01:07,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:01:07,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:01:07,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:01:07,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:01:07,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7590028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07, skipping insertion in model container [2019-11-26 02:01:07,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:01:07,313 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:01:07,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:01:07,556 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:01:07,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:01:07,622 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:01:07,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07 WrapperNode [2019-11-26 02:01:07,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:01:07,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:01:07,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:01:07,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:01:07,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:01:07,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:01:07,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:01:07,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:01:07,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... [2019-11-26 02:01:07,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:01:07,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:01:07,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:01:07,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:01:07,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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 [2019-11-26 02:01:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:01:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:01:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:01:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:01:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:01:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:01:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:01:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:01:08,810 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:01:08,811 INFO L284 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-26 02:01:08,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:01:08 BoogieIcfgContainer [2019-11-26 02:01:08,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:01:08,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:01:08,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:01:08,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:01:08,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:01:07" (1/3) ... [2019-11-26 02:01:08,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64982ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:01:08, skipping insertion in model container [2019-11-26 02:01:08,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:07" (2/3) ... [2019-11-26 02:01:08,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64982ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:01:08, skipping insertion in model container [2019-11-26 02:01:08,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:01:08" (3/3) ... [2019-11-26 02:01:08,818 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2019-11-26 02:01:08,827 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:01:08,832 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:01:08,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:01:08,870 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:01:08,870 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:01:08,870 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:01:08,871 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:01:08,871 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:01:08,871 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:01:08,871 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:01:08,871 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:01:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-11-26 02:01:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:01:08,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:08,897 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:08,897 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:08,902 INFO L82 PathProgramCache]: Analyzing trace with hash -323894289, now seen corresponding path program 1 times [2019-11-26 02:01:08,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:01:08,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015292325] [2019-11-26 02:01:08,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:01:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:01:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:09,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015292325] [2019-11-26 02:01:09,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:01:09,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:01:09,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779489467] [2019-11-26 02:01:09,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:01:09,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:01:09,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:01:09,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:01:09,028 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2019-11-26 02:01:09,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:01:09,045 INFO L93 Difference]: Finished difference Result 53 states and 85 transitions. [2019-11-26 02:01:09,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:01:09,046 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:01:09,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:01:09,055 INFO L225 Difference]: With dead ends: 53 [2019-11-26 02:01:09,056 INFO L226 Difference]: Without dead ends: 25 [2019-11-26 02:01:09,058 INFO L630 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 [2019-11-26 02:01:09,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-26 02:01:09,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-26 02:01:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-26 02:01:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-11-26 02:01:09,089 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 7 [2019-11-26 02:01:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:01:09,090 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-11-26 02:01:09,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:01:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-11-26 02:01:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:01:09,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:09,091 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:09,091 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:09,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:09,092 INFO L82 PathProgramCache]: Analyzing trace with hash 572312428, now seen corresponding path program 1 times [2019-11-26 02:01:09,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:01:09,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130037819] [2019-11-26 02:01:09,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:01:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:01:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:01:09,169 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:01:09,169 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:01:09,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:01:09 BoogieIcfgContainer [2019-11-26 02:01:09,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:01:09,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:01:09,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:01:09,198 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:01:09,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:01:08" (3/4) ... [2019-11-26 02:01:09,206 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:01:09,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:01:09,208 INFO L168 Benchmark]: Toolchain (without parser) took 1927.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -67.4 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:09,208 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:01:09,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:09,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:09,210 INFO L168 Benchmark]: Boogie Preprocessor took 37.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:01:09,210 INFO L168 Benchmark]: RCFGBuilder took 1099.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:09,211 INFO L168 Benchmark]: TraceAbstraction took 384.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:09,211 INFO L168 Benchmark]: Witness Printer took 8.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:01:09,214 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1099.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 384.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 8.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 153. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149] double x = -0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] double res = __ieee754_sqrt(x); [L153] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L154] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 36 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=27occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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, 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 0.1.24-6b5699a [2019-11-26 02:01:11,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:01:11,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:01:11,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:01:11,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:01:11,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:01:11,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:01:11,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:01:11,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:01:11,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:01:11,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:01:11,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:01:11,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:01:11,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:01:11,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:01:11,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:01:11,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:01:11,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:01:11,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:01:11,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:01:11,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:01:11,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:01:11,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:01:11,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:01:11,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:01:11,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:01:11,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:01:11,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:01:11,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:01:11,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:01:11,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:01:11,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:01:11,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:01:11,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:01:11,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:01:11,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:01:11,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:01:11,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:01:11,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:01:11,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:01:11,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:01:11,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:01:11,200 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:01:11,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:01:11,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:01:11,202 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:01:11,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:01:11,203 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:01:11,203 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:01:11,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:01:11,203 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:01:11,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:01:11,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:01:11,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:01:11,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:01:11,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:01:11,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:01:11,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:01:11,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:01:11,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:01:11,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:01:11,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:01:11,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:01:11,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:01:11,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:01:11,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:01:11,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:01:11,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:01:11,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:01:11,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:01:11,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:01:11,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:01:11,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:01:11,211 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:01:11,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:01:11,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:01:11,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:01:11,212 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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(__VERIFIER_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 -> 788527977e7ebd7aa0a832758f41b65d3cbd270a [2019-11-26 02:01:11,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:01:11,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:01:11,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:01:11,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:01:11,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:01:11,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-26 02:01:11,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/3c7c83f3f/6f201ebf4eea41268e2e7355ba7d8d12/FLAG644b635c2 [2019-11-26 02:01:11,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:01:11,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-26 02:01:11,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/3c7c83f3f/6f201ebf4eea41268e2e7355ba7d8d12/FLAG644b635c2 [2019-11-26 02:01:12,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/data/3c7c83f3f/6f201ebf4eea41268e2e7355ba7d8d12 [2019-11-26 02:01:12,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:01:12,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:01:12,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:01:12,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:01:12,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:01:12,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edbadd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12, skipping insertion in model container [2019-11-26 02:01:12,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:01:12,051 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:01:12,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:01:12,228 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:01:12,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:01:12,347 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:01:12,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12 WrapperNode [2019-11-26 02:01:12,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:01:12,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:01:12,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:01:12,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:01:12,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:01:12,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:01:12,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:01:12,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:01:12,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... [2019-11-26 02:01:12,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:01:12,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:01:12,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:01:12,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:01:12,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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 [2019-11-26 02:01:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-26 02:01:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-26 02:01:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:01:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:01:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:01:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:01:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:01:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:01:17,467 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:01:17,467 INFO L284 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-26 02:01:17,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:01:17 BoogieIcfgContainer [2019-11-26 02:01:17,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:01:17,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:01:17,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:01:17,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:01:17,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:01:12" (1/3) ... [2019-11-26 02:01:17,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:01:17, skipping insertion in model container [2019-11-26 02:01:17,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:01:12" (2/3) ... [2019-11-26 02:01:17,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:01:17, skipping insertion in model container [2019-11-26 02:01:17,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:01:17" (3/3) ... [2019-11-26 02:01:17,475 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2019-11-26 02:01:17,483 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:01:17,489 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:01:17,499 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:01:17,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:01:17,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:01:17,522 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:01:17,522 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:01:17,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:01:17,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:01:17,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:01:17,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:01:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2019-11-26 02:01:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:01:17,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:17,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:17,539 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:17,543 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2019-11-26 02:01:17,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:01:17,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111668069] [2019-11-26 02:01:17,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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 [2019-11-26 02:01:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:01:17,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:01:17,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:01:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:17,919 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:01:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:17,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111668069] [2019-11-26 02:01:17,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:01:17,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:01:17,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415088018] [2019-11-26 02:01:17,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:01:17,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:01:17,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:01:17,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:01:17,952 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2019-11-26 02:01:17,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:01:17,971 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2019-11-26 02:01:17,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:01:17,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:01:17,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:01:17,993 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:01:17,993 INFO L226 Difference]: Without dead ends: 50 [2019-11-26 02:01:17,997 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:01:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-26 02:01:18,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-26 02:01:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-26 02:01:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2019-11-26 02:01:18,037 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2019-11-26 02:01:18,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:01:18,037 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2019-11-26 02:01:18,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:01:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2019-11-26 02:01:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:01:18,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:18,038 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:18,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:01:18,239 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:18,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:18,239 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2019-11-26 02:01:18,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:01:18,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220368790] [2019-11-26 02:01:18,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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 [2019-11-26 02:01:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:01:18,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:01:18,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:01:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:18,608 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:01:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:18,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220368790] [2019-11-26 02:01:18,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:01:18,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-26 02:01:18,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54132519] [2019-11-26 02:01:18,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:01:18,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:01:18,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:01:18,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:01:18,654 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand 6 states. [2019-11-26 02:01:19,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:01:19,583 INFO L93 Difference]: Finished difference Result 59 states and 79 transitions. [2019-11-26 02:01:19,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:01:19,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-26 02:01:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:01:19,900 INFO L225 Difference]: With dead ends: 59 [2019-11-26 02:01:19,900 INFO L226 Difference]: Without dead ends: 17 [2019-11-26 02:01:19,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:01:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-26 02:01:19,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-26 02:01:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-26 02:01:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-11-26 02:01:19,905 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 9 [2019-11-26 02:01:19,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:01:19,905 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-11-26 02:01:19,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:01:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-11-26 02:01:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:01:19,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:19,907 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:20,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:01:20,113 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:20,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1929218748, now seen corresponding path program 1 times [2019-11-26 02:01:20,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:01:20,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33333981] [2019-11-26 02:01:20,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/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 [2019-11-26 02:01:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:01:20,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:01:20,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:01:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:20,231 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:01:20,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:01:20,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:20,282 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33333981] [2019-11-26 02:01:20,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:01:20,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-26 02:01:20,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121904071] [2019-11-26 02:01:20,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-26 02:01:20,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:01:20,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-26 02:01:20,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:01:20,284 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 7 states. [2019-11-26 02:01:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:01:21,890 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-11-26 02:01:21,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:01:21,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-11-26 02:01:21,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:01:21,892 INFO L225 Difference]: With dead ends: 29 [2019-11-26 02:01:21,892 INFO L226 Difference]: Without dead ends: 26 [2019-11-26 02:01:21,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:01:21,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-26 02:01:21,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2019-11-26 02:01:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-26 02:01:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-11-26 02:01:21,897 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 11 [2019-11-26 02:01:21,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:01:21,897 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-11-26 02:01:21,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-26 02:01:21,898 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-11-26 02:01:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:01:21,898 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:21,898 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:22,110 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:01:22,111 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:22,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:22,111 INFO L82 PathProgramCache]: Analyzing trace with hash 239121058, now seen corresponding path program 1 times [2019-11-26 02:01:22,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:01:22,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005492121] [2019-11-26 02:01:22,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 02:01:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:01:22,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 02:01:22,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:01:22,973 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2019-11-26 02:01:22,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:01:22,992 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2019-11-26 02:01:22,993 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,058 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2019-11-26 02:01:23,059 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,090 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,098 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,099 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2019-11-26 02:01:23,099 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,112 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,112 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,131 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,133 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-26 02:01:23,133 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:77, output treesize:34 [2019-11-26 02:01:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:23,183 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:01:23,252 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,253 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 68 [2019-11-26 02:01:23,300 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,301 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 71 [2019-11-26 02:01:23,302 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,340 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,352 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2019-11-26 02:01:23,353 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,380 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,389 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,389 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 25 [2019-11-26 02:01:23,390 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,403 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:01:23,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:01:23,425 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-26 02:01:23,425 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:76, output treesize:33 [2019-11-26 02:01:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:23,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005492121] [2019-11-26 02:01:23,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:01:23,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-26 02:01:23,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784632654] [2019-11-26 02:01:23,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:01:23,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:01:23,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:01:23,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:01:23,472 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 6 states. [2019-11-26 02:01:23,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:01:23,530 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-26 02:01:23,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:01:23,532 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-26 02:01:23,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:01:23,532 INFO L225 Difference]: With dead ends: 26 [2019-11-26 02:01:23,533 INFO L226 Difference]: Without dead ends: 16 [2019-11-26 02:01:23,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:01:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-26 02:01:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-26 02:01:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-26 02:01:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-26 02:01:23,537 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 12 [2019-11-26 02:01:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:01:23,537 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-26 02:01:23,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:01:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-26 02:01:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:01:23,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:01:23,545 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:01:23,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 02:01:23,746 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:01:23,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:01:23,746 INFO L82 PathProgramCache]: Analyzing trace with hash 264903321, now seen corresponding path program 1 times [2019-11-26 02:01:23,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:01:23,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606573656] [2019-11-26 02:01:23,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 02:01:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:01:23,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-26 02:01:23,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:01:23,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:01:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:23,973 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:01:23,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:01:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:01:24,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606573656] [2019-11-26 02:01:24,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:01:24,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-26 02:01:24,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22413595] [2019-11-26 02:01:24,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-26 02:01:24,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:01:24,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-26 02:01:24,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-26 02:01:24,177 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-11-26 02:01:24,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:01:24,460 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-26 02:01:24,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 02:01:24,461 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-11-26 02:01:24,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:01:24,461 INFO L225 Difference]: With dead ends: 16 [2019-11-26 02:01:24,461 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:01:24,462 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-11-26 02:01:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:01:24,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:01:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:01:24,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:01:24,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-26 02:01:24,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:01:24,463 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:01:24,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-26 02:01:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:01:24,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:01:24,664 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 02:01:24,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:01:24,969 INFO L440 ceAbstractionStarter]: At program point L126(lines 19 127) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_3)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|))) (and (= ULTIMATE.start___ieee754_sqrt_~ix1~0 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|) .cse1) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 .cse2)))) (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0))) [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2019-11-26 02:01:24,970 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L440 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L153-2(lines 153 156) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L440 ceAbstractionStarter]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2019-11-26 02:01:24,971 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L440 ceAbstractionStarter]: At program point L138(lines 129 139) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_3)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|))) (and (= ULTIMATE.start___ieee754_sqrt_~ix1~0 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|) .cse1) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 .cse2)))) (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32))) (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)))) |ULTIMATE.start_main_#t~short11| (= ULTIMATE.start___signbit_double_~x .cse0))) [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2019-11-26 02:01:24,972 INFO L444 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L440 ceAbstractionStarter]: At program point L132-2(lines 132 136) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_3)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|))) (and (= ULTIMATE.start___ieee754_sqrt_~ix1~0 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|) .cse1) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 .cse2)))) (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) |ULTIMATE.start_main_#t~short11| (= ULTIMATE.start___signbit_double_~x .cse0))) [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point L132-3(lines 132 136) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2019-11-26 02:01:24,973 INFO L440 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.neg (_ +zero 11 53))) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2019-11-26 02:01:24,973 INFO L444 ceAbstractionStarter]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L440 ceAbstractionStarter]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L447 ceAbstractionStarter]: At program point L158(lines 141 159) the Hoare annotation is: true [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-26 02:01:24,974 INFO L444 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2019-11-26 02:01:24,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:24,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:24,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:24,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:01:25 BoogieIcfgContainer [2019-11-26 02:01:25,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:01:25,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:01:25,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:01:25,008 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:01:25,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:01:17" (3/4) ... [2019-11-26 02:01:25,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:01:25,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-26 02:01:25,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:01:25,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:01:25,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-26 02:01:25,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-26 02:01:25,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_7[63:32])) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-26 02:01:25,104 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a6b04b0a-c74a-43c9-826f-1b843b7f4bd5/bin/utaipan/witness.graphml [2019-11-26 02:01:25,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:01:25,105 INFO L168 Benchmark]: Toolchain (without parser) took 13100.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 960.4 MB in the beginning and 876.5 MB in the end (delta: 84.0 MB). Peak memory consumption was 244.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:25,106 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:01:25,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:25,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:01:25,107 INFO L168 Benchmark]: Boogie Preprocessor took 38.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:01:25,107 INFO L168 Benchmark]: RCFGBuilder took 5040.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:25,107 INFO L168 Benchmark]: TraceAbstraction took 7537.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.0 MB in the end (delta: 226.7 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:25,108 INFO L168 Benchmark]: Witness Printer took 96.84 ms. Allocated memory is still 1.2 GB. Free memory was 883.0 MB in the beginning and 876.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:01:25,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5040.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7537.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.0 MB in the end (delta: 226.7 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. * Witness Printer took 96.84 ms. Allocated memory is still 1.2 GB. Free memory was 883.0 MB in the beginning and 876.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant [2019-11-26 02:01:25,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-26 02:01:25,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: (((((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_7[63:32])) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant [2019-11-26 02:01:25,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: (((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-11-26 02:01:25,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-26 02:01:25,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-26 02:01:25,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: ((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 117 SDtfs, 169 SDslu, 74 SDs, 0 SdLazy, 65 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 187 HoareAnnotationTreeSize, 10 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 18 QuantifiedInterpolants, 7290 SizeOfPredicates, 28 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...