./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:34:00,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:34:00,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:34:00,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:34:00,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:34:00,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:34:00,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:34:00,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:34:00,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:34:00,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:34:00,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:34:00,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:34:00,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:34:00,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:34:00,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:34:00,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:34:00,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:34:00,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:34:00,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:34:00,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:34:00,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:34:00,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:34:00,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:34:00,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:34:00,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:34:00,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:34:00,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:34:00,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:34:00,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:34:00,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:34:00,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:34:00,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:34:00,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:34:00,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:34:00,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:34:00,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:34:00,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:34:00,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:34:00,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:34:00,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:34:00,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:34:00,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:34:00,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:34:00,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:34:00,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:34:00,865 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:34:00,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:34:00,866 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:34:00,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:34:00,867 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:34:00,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:34:00,867 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:34:00,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:34:00,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:34:00,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:34:00,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:34:00,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:34:00,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:34:00,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:34:00,870 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-12-09 08:34:01,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:34:01,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:34:01,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:34:01,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:34:01,059 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:34:01,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-09 08:34:01,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/a28dbd1de/44ee022a9feb45f69d1c008acdd396b2/FLAG3a37b5483 [2020-12-09 08:34:01,550 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:34:01,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-09 08:34:01,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/a28dbd1de/44ee022a9feb45f69d1c008acdd396b2/FLAG3a37b5483 [2020-12-09 08:34:01,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/a28dbd1de/44ee022a9feb45f69d1c008acdd396b2 [2020-12-09 08:34:01,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:34:01,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:34:01,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:34:01,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:34:01,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:34:01,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605c39d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01, skipping insertion in model container [2020-12-09 08:34:01,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:34:01,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:34:01,729 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-09 08:34:01,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:34:01,737 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:34:01,770 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-09 08:34:01,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:34:01,782 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:34:01,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01 WrapperNode [2020-12-09 08:34:01,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:34:01,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:34:01,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:34:01,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:34:01,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:34:01,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:34:01,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:34:01,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:34:01,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... [2020-12-09 08:34:01,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:34:01,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:34:01,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:34:01,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:34:01,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:34:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:34:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:34:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 08:34:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 08:34:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 08:34:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:34:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:34:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 08:34:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 08:34:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:34:02,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:34:02,388 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-09 08:34:02,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:34:02 BoogieIcfgContainer [2020-12-09 08:34:02,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:34:02,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:34:02,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:34:02,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:34:02,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:34:01" (1/3) ... [2020-12-09 08:34:02,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371821ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:34:02, skipping insertion in model container [2020-12-09 08:34:02,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:01" (2/3) ... [2020-12-09 08:34:02,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371821ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:34:02, skipping insertion in model container [2020-12-09 08:34:02,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:34:02" (3/3) ... [2020-12-09 08:34:02,396 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-12-09 08:34:02,405 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:34:02,408 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:34:02,415 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:34:02,431 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:34:02,432 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:34:02,432 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:34:02,432 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:34:02,432 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:34:02,432 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:34:02,432 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:34:02,432 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:34:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-12-09 08:34:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 08:34:02,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:02,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:02,445 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:02,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:02,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1633588150, now seen corresponding path program 1 times [2020-12-09 08:34:02,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:34:02,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783359097] [2020-12-09 08:34:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:34:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:34:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:34:02,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783359097] [2020-12-09 08:34:02,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:34:02,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:34:02,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286400033] [2020-12-09 08:34:02,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:34:02,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:34:02,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:34:02,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:34:02,563 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-12-09 08:34:02,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:34:02,576 INFO L93 Difference]: Finished difference Result 88 states and 149 transitions. [2020-12-09 08:34:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:34:02,577 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 08:34:02,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:34:02,583 INFO L225 Difference]: With dead ends: 88 [2020-12-09 08:34:02,583 INFO L226 Difference]: Without dead ends: 42 [2020-12-09 08:34:02,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:34:02,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-09 08:34:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-12-09 08:34:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-09 08:34:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions. [2020-12-09 08:34:02,608 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 10 [2020-12-09 08:34:02,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:34:02,609 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 60 transitions. [2020-12-09 08:34:02,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:34:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2020-12-09 08:34:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 08:34:02,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:02,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:02,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:34:02,610 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:02,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:02,610 INFO L82 PathProgramCache]: Analyzing trace with hash -602651289, now seen corresponding path program 1 times [2020-12-09 08:34:02,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:34:02,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490121174] [2020-12-09 08:34:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:34:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 08:34:02,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 08:34:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 08:34:02,683 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 08:34:02,702 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 08:34:02,702 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 08:34:02,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 08:34:02,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:34:02 BoogieIcfgContainer [2020-12-09 08:34:02,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:34:02,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:34:02,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:34:02,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:34:02,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:34:02" (3/4) ... [2020-12-09 08:34:02,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 08:34:02,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:34:02,729 INFO L168 Benchmark]: Toolchain (without parser) took 1152.84 ms. Allocated memory is still 117.4 MB. Free memory was 96.5 MB in the beginning and 41.3 MB in the end (delta: 55.2 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:02,729 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 71.3 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:34:02,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.36 ms. Allocated memory is still 117.4 MB. Free memory was 96.3 MB in the beginning and 83.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:02,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.53 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 80.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:02,731 INFO L168 Benchmark]: Boogie Preprocessor took 28.62 ms. Allocated memory is still 117.4 MB. Free memory was 80.5 MB in the beginning and 78.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:02,731 INFO L168 Benchmark]: RCFGBuilder took 542.09 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 68.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:02,732 INFO L168 Benchmark]: TraceAbstraction took 332.99 ms. Allocated memory is still 117.4 MB. Free memory was 67.1 MB in the beginning and 41.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:02,732 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 117.4 MB. Free memory was 41.9 MB in the beginning and 41.3 MB in the end (delta: 577.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:34:02,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 71.3 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 206.36 ms. Allocated memory is still 117.4 MB. Free memory was 96.3 MB in the beginning and 83.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.53 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 80.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.62 ms. Allocated memory is still 117.4 MB. Free memory was 80.5 MB in the beginning and 78.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 542.09 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 68.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 332.99 ms. Allocated memory is still 117.4 MB. Free memory was 67.1 MB in the beginning and 41.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.90 ms. Allocated memory is still 117.4 MB. Free memory was 41.9 MB in the beginning and 41.3 MB in the end (delta: 577.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 193]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={6:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={6:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={6:0}] [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={6:0}] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L193] reach_error() VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 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=45occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:34:04,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:34:04,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:34:04,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:34:04,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:34:04,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:34:04,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:34:04,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:34:04,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:34:04,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:34:04,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:34:04,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:34:04,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:34:04,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:34:04,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:34:04,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:34:04,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:34:04,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:34:04,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:34:04,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:34:04,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:34:04,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:34:04,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:34:04,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:34:04,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:34:04,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:34:04,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:34:04,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:34:04,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:34:04,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:34:04,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:34:04,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:34:04,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:34:04,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:34:04,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:34:04,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:34:04,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:34:04,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:34:04,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:34:04,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:34:04,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:34:04,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:34:04,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:34:04,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:34:04,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:34:04,400 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:34:04,400 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:34:04,400 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:34:04,400 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:34:04,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:34:04,401 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:34:04,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:34:04,402 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:34:04,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:34:04,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:34:04,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:34:04,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:34:04,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:34:04,403 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:34:04,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:34:04,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:34:04,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:34:04,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:34:04,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:34:04,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:34:04,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:34:04,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:34:04,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:34:04,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:34:04,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:34:04,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:34:04,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:34:04,406 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:34:04,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:34:04,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:34:04,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:34:04,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:34:04,407 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-12-09 08:34:04,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:34:04,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:34:04,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:34:04,651 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:34:04,651 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:34:04,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-09 08:34:04,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/9cf9c273b/ce08d0a80e584c9f8a8a097104e64994/FLAG64a0b3a52 [2020-12-09 08:34:05,143 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:34:05,144 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2020-12-09 08:34:05,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/9cf9c273b/ce08d0a80e584c9f8a8a097104e64994/FLAG64a0b3a52 [2020-12-09 08:34:05,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/data/9cf9c273b/ce08d0a80e584c9f8a8a097104e64994 [2020-12-09 08:34:05,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:34:05,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:34:05,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:34:05,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:34:05,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:34:05,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0d7e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05, skipping insertion in model container [2020-12-09 08:34:05,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:34:05,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:34:05,333 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-09 08:34:05,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:34:05,351 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:34:05,390 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-09 08:34:05,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:34:05,405 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:34:05,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05 WrapperNode [2020-12-09 08:34:05,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:34:05,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:34:05,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:34:05,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:34:05,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:34:05,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:34:05,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:34:05,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:34:05,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... [2020-12-09 08:34:05,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:34:05,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:34:05,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:34:05,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:34:05,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:34:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 08:34:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 08:34:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:34:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:34:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-09 08:34:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 08:34:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:34:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:34:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 08:34:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:34:09,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:34:09,300 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-09 08:34:09,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:34:09 BoogieIcfgContainer [2020-12-09 08:34:09,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:34:09,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:34:09,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:34:09,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:34:09,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:34:05" (1/3) ... [2020-12-09 08:34:09,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2417a2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:34:09, skipping insertion in model container [2020-12-09 08:34:09,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:34:05" (2/3) ... [2020-12-09 08:34:09,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2417a2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:34:09, skipping insertion in model container [2020-12-09 08:34:09,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:34:09" (3/3) ... [2020-12-09 08:34:09,312 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-12-09 08:34:09,323 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:34:09,325 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:34:09,333 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:34:09,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:34:09,350 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:34:09,350 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:34:09,350 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:34:09,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:34:09,350 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:34:09,350 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:34:09,350 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:34:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-09 08:34:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 08:34:09,362 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:09,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:09,363 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:09,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:09,367 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2020-12-09 08:34:09,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:34:09,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469717204] [2020-12-09 08:34:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 08:34:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:34:10,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 08:34:10,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:34:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:34:10,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:34:10,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469717204] [2020-12-09 08:34:10,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:34:10,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:34:10,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402770658] [2020-12-09 08:34:10,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:34:10,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:34:10,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:34:10,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:34:10,203 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-09 08:34:10,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:34:10,218 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2020-12-09 08:34:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:34:10,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-09 08:34:10,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:34:10,225 INFO L225 Difference]: With dead ends: 119 [2020-12-09 08:34:10,225 INFO L226 Difference]: Without dead ends: 57 [2020-12-09 08:34:10,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:34:10,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-09 08:34:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-09 08:34:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-09 08:34:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2020-12-09 08:34:10,252 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2020-12-09 08:34:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:34:10,252 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2020-12-09 08:34:10,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:34:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2020-12-09 08:34:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 08:34:10,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:10,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:10,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:34:10,456 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:10,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:10,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2020-12-09 08:34:10,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:34:10,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748801161] [2020-12-09 08:34:10,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 08:34:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:34:11,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 08:34:11,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:34:11,811 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 08:34:11,844 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-09 08:34:11,846 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 08:34:11,865 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 08:34:11,893 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-09 08:34:11,895 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-09 08:34:12,133 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-09 08:34:12,134 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:34:12,139 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-09 08:34:12,139 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:73 [2020-12-09 08:34:12,340 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-09 08:34:12,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:12,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:34:12,468 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:34:12,468 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2020-12-09 08:34:12,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:12,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:34:12,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:34:12,487 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_1], 2=[v_arrayElimCell_2]} [2020-12-09 08:34:12,726 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:34:12,727 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2020-12-09 08:34:12,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:12,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:34:12,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:34:12,742 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_3], 2=[v_arrayElimCell_4]} [2020-12-09 08:34:12,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:12,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:12,963 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:34:12,964 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2020-12-09 08:34:12,965 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:12,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:34:12,967 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:34:12,979 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_5], 2=[v_arrayElimCell_6]} [2020-12-09 08:34:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:34:13,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:34:13,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748801161] [2020-12-09 08:34:13,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:34:13,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 08:34:13,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941353784] [2020-12-09 08:34:13,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:34:13,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:34:13,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:34:13,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=27, Unknown=4, NotChecked=0, Total=42 [2020-12-09 08:34:13,238 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand 7 states. [2020-12-09 08:34:13,941 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-12-09 08:34:14,291 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-09 08:34:14,661 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-09 08:34:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:34:19,163 INFO L93 Difference]: Finished difference Result 118 states and 167 transitions. [2020-12-09 08:34:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 08:34:19,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-09 08:34:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:34:19,191 INFO L225 Difference]: With dead ends: 118 [2020-12-09 08:34:19,192 INFO L226 Difference]: Without dead ends: 73 [2020-12-09 08:34:19,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=33, Invalid=68, Unknown=9, NotChecked=0, Total=110 [2020-12-09 08:34:19,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-09 08:34:19,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 55. [2020-12-09 08:34:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-09 08:34:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-12-09 08:34:19,201 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2020-12-09 08:34:19,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:34:19,201 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-12-09 08:34:19,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:34:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-09 08:34:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 08:34:19,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:19,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:19,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:34:19,403 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:19,405 INFO L82 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2020-12-09 08:34:19,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:34:19,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187124463] [2020-12-09 08:34:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 08:34:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:34:19,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:34:19,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:34:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:34:19,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:34:19,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187124463] [2020-12-09 08:34:19,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:34:19,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 08:34:19,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896346319] [2020-12-09 08:34:19,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 08:34:19,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:34:19,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 08:34:19,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 08:34:19,766 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 6 states. [2020-12-09 08:34:22,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:34:22,515 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2020-12-09 08:34:22,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:34:22,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-09 08:34:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:34:22,517 INFO L225 Difference]: With dead ends: 76 [2020-12-09 08:34:22,517 INFO L226 Difference]: Without dead ends: 73 [2020-12-09 08:34:22,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-09 08:34:22,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-09 08:34:22,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2020-12-09 08:34:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-09 08:34:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-12-09 08:34:22,526 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2020-12-09 08:34:22,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:34:22,526 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-12-09 08:34:22,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 08:34:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-12-09 08:34:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 08:34:22,527 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:22,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:22,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:34:22,729 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:22,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:22,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2020-12-09 08:34:22,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:34:22,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270497537] [2020-12-09 08:34:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 08:34:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:34:22,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 08:34:22,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:34:22,991 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-09 08:34:23,011 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-09 08:34:23,026 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:34:23,027 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 08:34:23,091 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 08:34:23,092 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 08:34:23,092 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-09 08:34:23,470 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-09 08:34:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:34:23,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:34:23,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270497537] [2020-12-09 08:34:23,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:34:23,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 08:34:23,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075452260] [2020-12-09 08:34:23,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 08:34:23,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:34:23,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 08:34:23,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-09 08:34:23,799 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 8 states. [2020-12-09 08:34:24,422 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 08:34:24,636 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-09 08:34:24,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:34:24,698 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2020-12-09 08:34:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 08:34:24,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-12-09 08:34:24,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:34:24,699 INFO L225 Difference]: With dead ends: 64 [2020-12-09 08:34:24,699 INFO L226 Difference]: Without dead ends: 20 [2020-12-09 08:34:24,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-12-09 08:34:24,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-09 08:34:24,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-09 08:34:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-09 08:34:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-12-09 08:34:24,703 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2020-12-09 08:34:24,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:34:24,704 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-12-09 08:34:24,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 08:34:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-12-09 08:34:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 08:34:24,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:34:24,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:34:24,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 08:34:24,906 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:34:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:34:24,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2020-12-09 08:34:24,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:34:24,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166308175] [2020-12-09 08:34:24,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 08:34:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:34:25,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 08:34:25,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:34:25,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:34:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:34:25,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:34:25,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166308175] [2020-12-09 08:34:25,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:34:25,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-09 08:34:25,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263749362] [2020-12-09 08:34:25,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 08:34:25,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:34:25,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 08:34:25,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-09 08:34:25,752 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 10 states. [2020-12-09 08:34:26,563 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 08:34:26,755 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 08:34:26,949 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-09 08:34:26,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:34:26,964 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-12-09 08:34:26,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 08:34:26,965 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-12-09 08:34:26,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:34:26,965 INFO L225 Difference]: With dead ends: 20 [2020-12-09 08:34:26,965 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:34:26,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-09 08:34:26,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:34:26,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:34:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:34:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:34:26,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-12-09 08:34:26,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:34:26,967 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:34:26,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 08:34:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:34:26,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:34:27,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 08:34:27,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:34:27,540 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-09 08:34:27,744 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-09 08:34:28,007 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-09 08:34:28,027 INFO L262 CegarLoopResult]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2020-12-09 08:34:28,027 INFO L258 CegarLoopResult]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2020-12-09 08:34:28,027 INFO L262 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2020-12-09 08:34:28,027 INFO L258 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24))) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L258 CegarLoopResult]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L187(lines 187 196) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L154(lines 154 159) no Hoare annotation was computed. [2020-12-09 08:34:28,028 INFO L262 CegarLoopResult]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L187-2(lines 187 196) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L55(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L56(lines 56 62) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L106(lines 106 107) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L258 CegarLoopResult]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2020-12-09 08:34:28,029 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:34:28,029 INFO L258 CegarLoopResult]: At program point L174(lines 165 175) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) ULTIMATE.start___signbit_double_~msw~0))) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24))) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-09 08:34:28,029 INFO L258 CegarLoopResult]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L192-2(lines 192 195) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L258 CegarLoopResult]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L144(lines 144 153) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-12-09 08:34:28,030 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (or (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-09 08:34:28,030 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L258 CegarLoopResult]: At program point L162(lines 25 163) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24))) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-09 08:34:28,031 INFO L258 CegarLoopResult]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L147(lines 147 153) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L48(lines 48 53) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-12-09 08:34:28,031 INFO L265 CegarLoopResult]: At program point L198(lines 177 199) the Hoare annotation is: true [2020-12-09 08:34:28,031 INFO L262 CegarLoopResult]: For program point L66(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,032 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-09 08:34:28,032 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-09 08:34:28,032 INFO L262 CegarLoopResult]: For program point L134(lines 134 161) no Hoare annotation was computed. [2020-12-09 08:34:28,032 INFO L262 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-12-09 08:34:28,032 INFO L262 CegarLoopResult]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2020-12-09 08:34:28,032 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-12-09 08:34:28,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:34:28 BoogieIcfgContainer [2020-12-09 08:34:28,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:34:28,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:34:28,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:34:28,054 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:34:28,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:34:09" (3/4) ... [2020-12-09 08:34:28,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:34:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 08:34:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 08:34:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:34:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:34:28,094 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b665e0d0-54a3-4d8b-b80a-7641745dddeb/bin/utaipan/witness.graphml [2020-12-09 08:34:28,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:34:28,095 INFO L168 Benchmark]: Toolchain (without parser) took 22932.74 ms. Allocated memory was 48.2 MB in the beginning and 75.5 MB in the end (delta: 27.3 MB). Free memory was 24.4 MB in the beginning and 36.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,096 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory was 31.2 MB in the beginning and 31.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:34:28,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.86 ms. Allocated memory was 48.2 MB in the beginning and 75.5 MB in the end (delta: 27.3 MB). Free memory was 24.1 MB in the beginning and 56.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.08 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 53.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,097 INFO L168 Benchmark]: Boogie Preprocessor took 42.84 ms. Allocated memory is still 75.5 MB. Free memory was 53.9 MB in the beginning and 51.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,097 INFO L168 Benchmark]: RCFGBuilder took 3815.51 ms. Allocated memory is still 75.5 MB. Free memory was 51.6 MB in the beginning and 35.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,097 INFO L168 Benchmark]: TraceAbstraction took 18746.69 ms. Allocated memory is still 75.5 MB. Free memory was 57.4 MB in the beginning and 39.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,098 INFO L168 Benchmark]: Witness Printer took 40.27 ms. Allocated memory is still 75.5 MB. Free memory was 39.6 MB in the beginning and 36.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:34:28,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory was 31.2 MB in the beginning and 31.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 242.86 ms. Allocated memory was 48.2 MB in the beginning and 75.5 MB in the end (delta: 27.3 MB). Free memory was 24.1 MB in the beginning and 56.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.08 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 53.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.84 ms. Allocated memory is still 75.5 MB. Free memory was 53.9 MB in the beginning and 51.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3815.51 ms. Allocated memory is still 75.5 MB. Free memory was 51.6 MB in the beginning and 35.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18746.69 ms. Allocated memory is still 75.5 MB. Free memory was 57.4 MB in the beginning and 39.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * Witness Printer took 40.27 ms. Allocated memory is still 75.5 MB. Free memory was 39.6 MB in the beginning and 36.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: (((((((\result == ~Pluszero~LONGDOUBLE() && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24))) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: ((((\result == ~Pluszero~LONGDOUBLE() && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24))) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 165]: Loop Invariant [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-09 08:34:28,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: ((((((((((\exists v_skolemized_q#valueAsBitvector_12 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && v_skolemized_q#valueAsBitvector_12[63:32] == msw) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24))) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && \result == 0bv32) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 458 SDslu, 313 SDs, 0 SdLazy, 167 SolverSat, 25 SolverUnsat, 57 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 192 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1289 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 15 QuantifiedInterpolants, 12093 SizeOfPredicates, 36 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...