./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 c6a2c9a76eae0e8993608269b8bc800503d7af17 ............................................................................................................................................................................................................................................................................................................. 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_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 c6a2c9a76eae0e8993608269b8bc800503d7af17 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:58:45,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:58:45,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:58:45,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:58:45,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:58:45,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:58:45,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:58:45,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:58:45,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:58:45,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:58:45,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:58:45,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:58:45,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:58:45,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:58:45,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:58:45,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:58:45,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:58:45,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:58:45,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:58:45,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:58:45,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:58:45,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:58:45,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:58:45,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:58:45,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:58:45,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:58:45,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:58:45,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:58:45,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:58:45,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:58:45,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:58:45,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:58:45,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:58:45,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:58:45,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:58:45,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:58:45,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:58:45,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:58:45,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:58:45,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:58:45,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:58:45,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:58:45,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:58:45,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:58:45,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:58:45,864 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:58:45,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:58:45,864 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:58:45,864 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:58:45,864 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:58:45,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:58:45,865 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:58:45,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:58:45,865 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:58:45,865 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:58:45,865 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:58:45,865 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:58:45,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:58:45,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:58:45,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:58:45,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:58:45,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:58:45,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:58:45,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:58:45,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:58:45,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:58:45,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:58:45,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:58:45,868 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_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 -> c6a2c9a76eae0e8993608269b8bc800503d7af17 [2019-12-07 19:58:45,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:58:45,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:58:45,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:58:45,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:58:45,981 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:58:45,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2019-12-07 19:58:46,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/82f8420be/8d650f4cfc8641078aeb24ac00a2bd72/FLAGca4f6716f [2019-12-07 19:58:46,434 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:58:46,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2019-12-07 19:58:46,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/82f8420be/8d650f4cfc8641078aeb24ac00a2bd72/FLAGca4f6716f [2019-12-07 19:58:46,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/82f8420be/8d650f4cfc8641078aeb24ac00a2bd72 [2019-12-07 19:58:46,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:58:46,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:58:46,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:46,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:58:46,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:58:46,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:46" (1/1) ... [2019-12-07 19:58:46,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2422c90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:46, skipping insertion in model container [2019-12-07 19:58:46,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:46" (1/1) ... [2019-12-07 19:58:46,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:58:46,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:58:47,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:47,020 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:58:47,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:47,064 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:58:47,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47 WrapperNode [2019-12-07 19:58:47,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:47,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:58:47,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:58:47,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:58:47,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:58:47,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:58:47,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:58:47,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:58:47,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... [2019-12-07 19:58:47,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:58:47,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:58:47,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:58:47,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:58:47,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 [2019-12-07 19:58:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:58:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 19:58:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 19:58:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 19:58:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:58:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:58:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 19:58:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 19:58:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:58:47,560 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:58:47,560 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 19:58:47,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:47 BoogieIcfgContainer [2019-12-07 19:58:47,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:58:47,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:58:47,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:58:47,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:58:47,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:58:46" (1/3) ... [2019-12-07 19:58:47,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26aec0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:58:47, skipping insertion in model container [2019-12-07 19:58:47,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:47" (2/3) ... [2019-12-07 19:58:47,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26aec0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:58:47, skipping insertion in model container [2019-12-07 19:58:47,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:47" (3/3) ... [2019-12-07 19:58:47,566 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122b.c [2019-12-07 19:58:47,572 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:58:47,576 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:58:47,584 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:58:47,598 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:58:47,598 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:58:47,598 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:58:47,598 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:58:47,598 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:58:47,598 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:58:47,598 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:58:47,598 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:58:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-12-07 19:58:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 19:58:47,611 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:47,612 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:47,612 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:47,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:47,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1459358806, now seen corresponding path program 1 times [2019-12-07 19:58:47,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:58:47,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10157621] [2019-12-07 19:58:47,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:58:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:58:47,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10157621] [2019-12-07 19:58:47,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:58:47,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:58:47,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839207791] [2019-12-07 19:58:47,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:58:47,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 19:58:47,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:58:47,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:58:47,713 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2019-12-07 19:58:47,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:58:47,727 INFO L93 Difference]: Finished difference Result 77 states and 131 transitions. [2019-12-07 19:58:47,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:58:47,727 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 19:58:47,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:58:47,735 INFO L225 Difference]: With dead ends: 77 [2019-12-07 19:58:47,735 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 19:58:47,737 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 [2019-12-07 19:58:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 19:58:47,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 19:58:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 19:58:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 54 transitions. [2019-12-07 19:58:47,760 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 54 transitions. Word has length 8 [2019-12-07 19:58:47,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:58:47,760 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 54 transitions. [2019-12-07 19:58:47,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:58:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2019-12-07 19:58:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:58:47,761 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:47,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:47,761 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:47,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:47,761 INFO L82 PathProgramCache]: Analyzing trace with hash -724917447, now seen corresponding path program 1 times [2019-12-07 19:58:47,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:58:47,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712509895] [2019-12-07 19:58:47,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:58:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:58:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:58:47,844 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 19:58:47,844 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:58:47,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:58:47 BoogieIcfgContainer [2019-12-07 19:58:47,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:58:47,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:58:47,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:58:47,866 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:58:47,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:47" (3/4) ... [2019-12-07 19:58:47,868 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:58:47,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:58:47,870 INFO L168 Benchmark]: Toolchain (without parser) took 1051.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 936.7 MB in the beginning and 1.0 GB in the end (delta: -108.5 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:47,870 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 953.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:58:47,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:47,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.18 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:47,872 INFO L168 Benchmark]: Boogie Preprocessor took 29.13 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:47,872 INFO L168 Benchmark]: RCFGBuilder took 430.55 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:47,872 INFO L168 Benchmark]: TraceAbstraction took 303.45 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:47,873 INFO L168 Benchmark]: Witness Printer took 3.11 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. [2019-12-07 19:58:47,875 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 953.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.18 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.13 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 430.55 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 303.45 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.11 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: 176]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L170] double x = -1.0 / 0.0; [L171] double y = __VERIFIER_nondet_double(); [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L172] double res = fmod_double(x, y); [L16] return x != x; [L175] COND TRUE !isnan_double(res) [L176] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 56 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=39occurred 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 0.1.25-f470102 [2019-12-07 19:58:49,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:58:49,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:58:49,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:58:49,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:58:49,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:58:49,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:58:49,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:58:49,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:58:49,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:58:49,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:58:49,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:58:49,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:58:49,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:58:49,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:58:49,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:58:49,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:58:49,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:58:49,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:58:49,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:58:49,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:58:49,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:58:49,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:58:49,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:58:49,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:58:49,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:58:49,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:58:49,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:58:49,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:58:49,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:58:49,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:58:49,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:58:49,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:58:49,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:58:49,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:58:49,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:58:49,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:58:49,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:58:49,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:58:49,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:58:49,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:58:49,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:58:49,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:58:49,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:58:49,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:58:49,327 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:58:49,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:58:49,328 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:58:49,328 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:58:49,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:58:49,328 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:58:49,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:58:49,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:58:49,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:58:49,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:58:49,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:58:49,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:58:49,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:58:49,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:58:49,332 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_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 -> c6a2c9a76eae0e8993608269b8bc800503d7af17 [2019-12-07 19:58:49,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:58:49,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:58:49,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:58:49,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:58:49,511 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:58:49,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2019-12-07 19:58:49,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/3044d21b8/4bcfeea6a9c24fd3a8a1fac5c04259d1/FLAG403c98c52 [2019-12-07 19:58:50,054 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:58:50,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2019-12-07 19:58:50,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/3044d21b8/4bcfeea6a9c24fd3a8a1fac5c04259d1/FLAG403c98c52 [2019-12-07 19:58:50,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/data/3044d21b8/4bcfeea6a9c24fd3a8a1fac5c04259d1 [2019-12-07 19:58:50,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:58:50,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:58:50,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:50,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:58:50,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:58:50,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f52125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50, skipping insertion in model container [2019-12-07 19:58:50,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:58:50,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:58:50,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:50,721 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:58:50,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:50,798 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:58:50,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50 WrapperNode [2019-12-07 19:58:50,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:50,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:58:50,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:58:50,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:58:50,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:58:50,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:58:50,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:58:50,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:58:50,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... [2019-12-07 19:58:50,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:58:50,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:58:50,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:58:50,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:58:50,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 [2019-12-07 19:58:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 19:58:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 19:58:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:58:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 19:58:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:58:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:58:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:58:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:58:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:58:54,157 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:58:54,157 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 19:58:54,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:54 BoogieIcfgContainer [2019-12-07 19:58:54,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:58:54,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:58:54,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:58:54,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:58:54,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:58:50" (1/3) ... [2019-12-07 19:58:54,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdaac58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:58:54, skipping insertion in model container [2019-12-07 19:58:54,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:50" (2/3) ... [2019-12-07 19:58:54,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdaac58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:58:54, skipping insertion in model container [2019-12-07 19:58:54,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:54" (3/3) ... [2019-12-07 19:58:54,163 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122b.c [2019-12-07 19:58:54,169 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:58:54,173 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:58:54,182 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:58:54,199 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:58:54,199 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:58:54,199 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:58:54,199 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:58:54,199 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:58:54,200 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:58:54,200 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:58:54,200 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:58:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-12-07 19:58:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:58:54,213 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:54,213 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:54,214 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:54,217 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-12-07 19:58:54,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:54,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993561903] [2019-12-07 19:58:54,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 [2019-12-07 19:58:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:55,097 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:58:55,101 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:58:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:58:55,112 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:58:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:58:55,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993561903] [2019-12-07 19:58:55,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:58:55,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:58:55,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476055422] [2019-12-07 19:58:55,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:58:55,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:58:55,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:58:55,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:58:55,136 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-12-07 19:58:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:58:55,156 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-12-07 19:58:55,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:58:55,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 19:58:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:58:55,165 INFO L225 Difference]: With dead ends: 108 [2019-12-07 19:58:55,166 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 19:58:55,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:58:55,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 19:58:55,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 19:58:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 19:58:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-12-07 19:58:55,193 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-12-07 19:58:55,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:58:55,193 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-12-07 19:58:55,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:58:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-12-07 19:58:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:58:55,193 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:55,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:55,394 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:58:55,395 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:55,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:55,395 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-12-07 19:58:55,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:55,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471884535] [2019-12-07 19:58:55,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 [2019-12-07 19:58:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:56,340 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 19:58:56,342 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:59:09,211 WARN L192 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 12 [2019-12-07 19:59:09,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:59:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:59:16,901 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:59:29,393 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-12-07 19:59:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:59:31,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471884535] [2019-12-07 19:59:31,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:59:31,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-12-07 19:59:31,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216603328] [2019-12-07 19:59:31,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 19:59:31,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:59:31,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 19:59:31,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=4, NotChecked=16, Total=110 [2019-12-07 19:59:31,185 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 11 states. [2019-12-07 19:59:34,725 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= (fp.div c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (_ +zero 11 53)) c_ULTIMATE.start_fmod_double_~x) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 19:59:37,083 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq |c_ULTIMATE.start_fmod_double_#res| |c_ULTIMATE.start_fmod_double_#res|)) (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|))) is different from false [2019-12-07 19:59:40,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:59:40,517 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-12-07 19:59:40,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 19:59:40,553 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-12-07 19:59:40,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:59:40,554 INFO L225 Difference]: With dead ends: 57 [2019-12-07 19:59:40,554 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 19:59:40,555 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 41.5s TimeCoverageRelationStatistics Valid=34, Invalid=82, Unknown=6, NotChecked=60, Total=182 [2019-12-07 19:59:40,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 19:59:40,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 19:59:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 19:59:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-12-07 19:59:40,561 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-12-07 19:59:40,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:59:40,562 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-12-07 19:59:40,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 19:59:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-12-07 19:59:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 19:59:40,562 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:59:40,563 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:59:40,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:59:40,765 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:59:40,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:59:40,766 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-12-07 19:59:40,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:59:40,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749172459] [2019-12-07 19:59:40,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/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 [2019-12-07 19:59:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:59:40,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 19:59:40,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:59:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:59:40,998 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:59:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:59:41,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749172459] [2019-12-07 19:59:41,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:59:41,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 19:59:41,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817552900] [2019-12-07 19:59:41,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:59:41,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:59:41,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:59:41,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:59:41,097 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 8 states. [2019-12-07 19:59:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:59:41,264 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-12-07 19:59:41,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:59:41,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-12-07 19:59:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:59:41,265 INFO L225 Difference]: With dead ends: 52 [2019-12-07 19:59:41,265 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:59:41,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 19:59:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:59:41,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:59:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:59:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:59:41,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-07 19:59:41,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:59:41,266 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:59:41,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:59:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:59:41,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:59:41,467 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:59:41,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:59:52,312 WARN L192 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2019-12-07 19:59:56,848 WARN L192 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2019-12-07 19:59:56,853 INFO L246 CegarLoopResult]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-12-07 19:59:56,853 INFO L246 CegarLoopResult]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,853 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L242 CegarLoopResult]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-12-07 19:59:56,854 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L242 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-12-07 19:59:56,855 INFO L242 CegarLoopResult]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L242 CegarLoopResult]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L175(lines 175 178) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-12-07 19:59:56,855 INFO L246 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L242 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L242 CegarLoopResult]: At program point L160(lines 23 161) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) [2019-12-07 19:59:56,856 INFO L242 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,856 INFO L246 CegarLoopResult]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L249 CegarLoopResult]: At program point L180(lines 163 181) the Hoare annotation is: true [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L242 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-12-07 19:59:56,857 INFO L246 CegarLoopResult]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-12-07 19:59:56,858 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-12-07 19:59:56,858 INFO L246 CegarLoopResult]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-12-07 19:59:56,858 INFO L242 CegarLoopResult]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-12-07 19:59:56,858 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-12-07 19:59:56,858 INFO L246 CegarLoopResult]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-12-07 19:59:56,858 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-12-07 19:59:56,858 INFO L246 CegarLoopResult]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-12-07 19:59:56,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,872 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 19:59:56,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 19:59:56,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:59:56 BoogieIcfgContainer [2019-12-07 19:59:56,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:59:56,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:59:56,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:59:56,875 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:59:56,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:54" (3/4) ... [2019-12-07 19:59:56,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:59:56,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 19:59:56,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 19:59:56,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:59:56,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 19:59:56,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e1384ed-9e0a-41d6-9bb9-f3a01a39cba5/bin/utaipan/witness.graphml [2019-12-07 19:59:56,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:59:56,917 INFO L168 Benchmark]: Toolchain (without parser) took 66380.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 952.4 MB in the beginning and 932.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:59:56,917 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:59:56,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:59:56,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:59:56,918 INFO L168 Benchmark]: Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:59:56,918 INFO L168 Benchmark]: RCFGBuilder took 3295.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:59:56,919 INFO L168 Benchmark]: TraceAbstraction took 62715.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 939.1 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:59:56,919 INFO L168 Benchmark]: Witness Printer took 41.18 ms. Allocated memory is still 1.1 GB. Free memory was 939.1 MB in the beginning and 932.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:59:56,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3295.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 62715.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 939.1 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.18 ms. Allocated memory is still 1.1 GB. Free memory was 939.1 MB in the beginning and 932.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2019-12-07 19:59:56,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y)) == \result) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2019-12-07 19:59:56,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 19:59:56,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 19:59:56,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 19:59:56,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 47.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.3s, HoareTripleCheckerStatistics: 160 SDtfs, 6 SDslu, 346 SDs, 0 SdLazy, 31 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 41.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 50 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 15.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 14 QuantifiedInterpolants, 5495 SizeOfPredicates, 19 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...