./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e3ed9850bae7d066050d32134f925a24fb3772d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e3ed9850bae7d066050d32134f925a24fb3772d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:43:12,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:43:12,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:43:12,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:43:12,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:43:12,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:43:12,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:43:12,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:43:12,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:43:12,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:43:12,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:43:12,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:43:12,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:43:12,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:43:12,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:43:12,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:43:12,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:43:12,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:43:12,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:43:12,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:43:12,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:43:12,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:43:12,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:43:12,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:43:12,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:43:12,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:43:12,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:43:12,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:43:12,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:43:12,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:43:12,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:43:12,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:43:12,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:43:12,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:43:12,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:43:12,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:43:12,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:43:12,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:43:12,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:43:12,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:43:12,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:43:12,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:43:12,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:43:12,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:43:12,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:43:12,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:43:12,729 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:43:12,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:43:12,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:43:12,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:43:12,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:43:12,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:43:12,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:43:12,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:43:12,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:43:12,731 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:43:12,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:43:12,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:43:12,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:43:12,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:43:12,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:43:12,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:43:12,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:43:12,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:43:12,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:43:12,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:43:12,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:43:12,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:43:12,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:43:12,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:43:12,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:43:12,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 9e3ed9850bae7d066050d32134f925a24fb3772d [2020-07-28 17:43:13,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:43:13,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:43:13,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:43:13,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:43:13,052 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:43:13,056 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-07-28 17:43:13,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c183231f/9dbe12b764bb41509a74ffdb3f113aa2/FLAG4912e3712 [2020-07-28 17:43:13,545 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:43:13,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-07-28 17:43:13,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c183231f/9dbe12b764bb41509a74ffdb3f113aa2/FLAG4912e3712 [2020-07-28 17:43:13,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c183231f/9dbe12b764bb41509a74ffdb3f113aa2 [2020-07-28 17:43:13,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:43:13,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:43:13,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:43:13,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:43:13,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:43:13,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:43:13" (1/1) ... [2020-07-28 17:43:13,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251766c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:13, skipping insertion in model container [2020-07-28 17:43:13,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:43:13" (1/1) ... [2020-07-28 17:43:13,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:43:14,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:43:14,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:43:14,235 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:43:14,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:43:14,398 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:43:14,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14 WrapperNode [2020-07-28 17:43:14,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:43:14,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:43:14,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:43:14,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:43:14,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:43:14,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:43:14,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:43:14,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:43:14,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... [2020-07-28 17:43:14,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:43:14,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:43:14,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:43:14,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:43:14,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-28 17:43:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:43:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:43:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:43:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:43:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:43:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:43:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:43:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-28 17:43:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:43:15,510 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:43:15,510 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-07-28 17:43:15,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:43:15 BoogieIcfgContainer [2020-07-28 17:43:15,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:43:15,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:43:15,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:43:15,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:43:15,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:43:13" (1/3) ... [2020-07-28 17:43:15,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e050fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:43:15, skipping insertion in model container [2020-07-28 17:43:15,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:14" (2/3) ... [2020-07-28 17:43:15,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e050fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:43:15, skipping insertion in model container [2020-07-28 17:43:15,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:43:15" (3/3) ... [2020-07-28 17:43:15,524 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2020-07-28 17:43:15,534 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:43:15,543 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:43:15,558 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:43:15,583 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:43:15,583 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:43:15,583 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:43:15,583 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:43:15,584 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:43:15,584 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:43:15,584 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:43:15,584 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:43:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-07-28 17:43:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:43:15,609 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:43:15,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:43:15,610 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:43:15,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:43:15,617 INFO L82 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2020-07-28 17:43:15,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:43:15,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626695185] [2020-07-28 17:43:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:43:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:43:15,758 INFO L280 TraceCheckUtils]: 0: Hoare triple {63#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(16);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 8 + ~#Zero_fmod~0.offset, 8); {63#true} is VALID [2020-07-28 17:43:15,758 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#true} havoc main_#res;havoc main_#t~nondet18, main_#t~ret19, main_#t~ret20, main_~res~0, main_~y~0, main_~x~0;main_~y~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0);main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;isfinite_double_#in~x := main_~x~0;havoc isfinite_double_#res;havoc isfinite_double_#t~mem16, isfinite_double_#t~union17, isfinite_double_~#gh_u~0.base, isfinite_double_~#gh_u~0.offset, isfinite_double_~x, isfinite_double_~hx~1;isfinite_double_~x := isfinite_double_#in~x;havoc isfinite_double_~hx~1; {63#true} is VALID [2020-07-28 17:43:15,759 INFO L280 TraceCheckUtils]: 2: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-28 17:43:15,760 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#false} isfinite_double_#res := (if (~bitwiseAnd(isfinite_double_~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then (~bitwiseAnd(isfinite_double_~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 else (~bitwiseAnd(isfinite_double_~hx~1, 2147483647) - 2146435072) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {64#false} is VALID [2020-07-28 17:43:15,760 INFO L280 TraceCheckUtils]: 4: Hoare triple {64#false} main_#t~ret19 := isfinite_double_#res;assume -2147483648 <= main_#t~ret19 && main_#t~ret19 <= 2147483647; {64#false} is VALID [2020-07-28 17:43:15,761 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#false} assume 0 != main_#t~ret19;havoc main_#t~ret19;fmod_double_#in~x, fmod_double_#in~y := main_~x~0, main_~y~0;havoc fmod_double_#res;havoc fmod_double_#t~mem0, fmod_double_#t~union1, fmod_double_#t~mem2, fmod_double_#t~union3, fmod_double_~#ew_u~0.base, fmod_double_~#ew_u~0.offset, fmod_double_#t~mem4, fmod_double_#t~union5, fmod_double_#t~mem6, fmod_double_#t~union7, fmod_double_~#ew_u~1.base, fmod_double_~#ew_u~1.offset, fmod_double_#t~mem8, fmod_double_#t~mem10, fmod_double_#t~post9, fmod_double_#t~mem11, fmod_double_#t~mem12, fmod_double_#t~union13.lsw, fmod_double_#t~union13.msw, fmod_double_~#iw_u~0.base, fmod_double_~#iw_u~0.offset, fmod_double_#t~mem14, fmod_double_#t~union15.lsw, fmod_double_#t~union15.msw, fmod_double_~#iw_u~1.base, fmod_double_~#iw_u~1.offset, fmod_double_~x, fmod_double_~y, fmod_double_~n~0, fmod_double_~hx~0, fmod_double_~hy~0, fmod_double_~hz~0, fmod_double_~ix~0, fmod_double_~iy~0, fmod_double_~sx~0, fmod_double_~i~0, fmod_double_~lx~0, fmod_double_~ly~0, fmod_double_~lz~0;fmod_double_~x := fmod_double_#in~x;fmod_double_~y := fmod_double_#in~y;havoc fmod_double_~n~0;havoc fmod_double_~hx~0;havoc fmod_double_~hy~0;havoc fmod_double_~hz~0;havoc fmod_double_~ix~0;havoc fmod_double_~iy~0;havoc fmod_double_~sx~0;havoc fmod_double_~i~0;havoc fmod_double_~lx~0;havoc fmod_double_~ly~0;havoc fmod_double_~lz~0; {64#false} is VALID [2020-07-28 17:43:15,761 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-28 17:43:15,762 INFO L280 TraceCheckUtils]: 7: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-28 17:43:15,762 INFO L280 TraceCheckUtils]: 8: Hoare triple {64#false} fmod_double_~sx~0 := (if ~bitwiseAnd(fmod_double_~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(fmod_double_~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(fmod_double_~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);fmod_double_~hx~0 := ~bitwiseXor(fmod_double_~hx~0, fmod_double_~sx~0);fmod_double_~hy~0 := ~bitwiseAnd(fmod_double_~hy~0, 2147483647); {64#false} is VALID [2020-07-28 17:43:15,763 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#false} assume (0 == ~bitwiseOr(fmod_double_~hy~0, fmod_double_~ly~0) % 4294967296 || fmod_double_~hx~0 >= 2146435072) || ~bitwiseOr(fmod_double_~hy~0, ~bitwiseOr(fmod_double_~ly~0, -fmod_double_~ly~0) / 2147483648) % 4294967296 > 2146435072;fmod_double_#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(fmod_double_~x, fmod_double_~y), ~someBinaryArithmeticDOUBLEoperation(fmod_double_~x, fmod_double_~y)); {64#false} is VALID [2020-07-28 17:43:15,763 INFO L280 TraceCheckUtils]: 10: Hoare triple {64#false} main_#t~ret20 := fmod_double_#res;main_~res~0 := main_#t~ret20;havoc main_#t~ret20; {64#false} is VALID [2020-07-28 17:43:15,763 INFO L280 TraceCheckUtils]: 11: Hoare triple {64#false} assume ~someBinaryDOUBLEComparisonOperation(main_~res~0, main_~x~0); {64#false} is VALID [2020-07-28 17:43:15,764 INFO L280 TraceCheckUtils]: 12: Hoare triple {64#false} assume !false; {64#false} is VALID [2020-07-28 17:43:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:43:15,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626695185] [2020-07-28 17:43:15,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:43:15,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:43:15,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104692483] [2020-07-28 17:43:15,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-28 17:43:15,778 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:43:15,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:43:15,825 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:43:15,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:43:15,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:43:15,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:43:15,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:43:15,838 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-07-28 17:43:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:43:15,993 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2020-07-28 17:43:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:43:15,994 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-28 17:43:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:43:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:43:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2020-07-28 17:43:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:43:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2020-07-28 17:43:16,017 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 206 transitions. [2020-07-28 17:43:16,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:43:16,471 INFO L225 Difference]: With dead ends: 118 [2020-07-28 17:43:16,472 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 17:43:16,476 INFO L675 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 [2020-07-28 17:43:16,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 17:43:16,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-28 17:43:16,526 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:43:16,527 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:16,528 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:16,528 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:16,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:43:16,538 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2020-07-28 17:43:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-07-28 17:43:16,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:43:16,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:43:16,541 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:16,541 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:16,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:43:16,551 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2020-07-28 17:43:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-07-28 17:43:16,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:43:16,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:43:16,553 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:43:16,554 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:43:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 17:43:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-07-28 17:43:16,569 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2020-07-28 17:43:16,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:43:16,569 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-07-28 17:43:16,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:43:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-07-28 17:43:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 17:43:16,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:43:16,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:43:16,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:43:16,574 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:43:16,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:43:16,575 INFO L82 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2020-07-28 17:43:16,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:43:16,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723299634] [2020-07-28 17:43:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:43:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:43:16,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:43:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:43:16,895 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:43:16,928 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:43:16,928 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:43:16,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:43:16,969 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:43:16,970 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:43:16,970 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 17:43:16,971 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 17:43:16,971 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 17:43:16,971 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 17:43:16,971 WARN L170 areAnnotationChecker]: L165-3 has no Hoare annotation [2020-07-28 17:43:16,971 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 17:43:16,971 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 17:43:16,972 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 17:43:16,972 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-28 17:43:16,972 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-28 17:43:16,972 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-28 17:43:16,972 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-28 17:43:16,972 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-28 17:43:16,973 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-28 17:43:16,973 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-28 17:43:16,973 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 17:43:16,973 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-28 17:43:16,973 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-28 17:43:16,973 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-28 17:43:16,974 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:43:16,974 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:43:16,974 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:43:16,974 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 17:43:16,974 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 17:43:16,974 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 17:43:16,975 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:43:16,975 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:43:16,975 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-28 17:43:16,975 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-28 17:43:16,975 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-28 17:43:16,975 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-28 17:43:16,976 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 17:43:16,976 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 17:43:16,976 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:43:16,976 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:43:16,976 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 17:43:16,976 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 17:43:16,977 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:43:16,977 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:43:16,977 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:43:16,977 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:43:16,977 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:43:16,977 WARN L170 areAnnotationChecker]: L58-3 has no Hoare annotation [2020-07-28 17:43:16,978 WARN L170 areAnnotationChecker]: L58-3 has no Hoare annotation [2020-07-28 17:43:16,978 WARN L170 areAnnotationChecker]: L58-3 has no Hoare annotation [2020-07-28 17:43:16,978 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:43:16,978 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:43:16,978 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:43:16,978 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:43:16,979 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:43:16,979 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-28 17:43:16,979 WARN L170 areAnnotationChecker]: L66-3 has no Hoare annotation [2020-07-28 17:43:16,979 WARN L170 areAnnotationChecker]: L66-3 has no Hoare annotation [2020-07-28 17:43:16,979 WARN L170 areAnnotationChecker]: L66-3 has no Hoare annotation [2020-07-28 17:43:16,979 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:43:16,980 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:43:16,980 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:43:16,980 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-28 17:43:16,980 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-28 17:43:16,980 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:43:16,980 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:43:16,981 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:43:16,981 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-28 17:43:16,981 WARN L170 areAnnotationChecker]: L91-2 has no Hoare annotation [2020-07-28 17:43:16,981 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 17:43:16,981 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 17:43:16,981 WARN L170 areAnnotationChecker]: L106-1 has no Hoare annotation [2020-07-28 17:43:16,982 WARN L170 areAnnotationChecker]: L106-1 has no Hoare annotation [2020-07-28 17:43:16,982 WARN L170 areAnnotationChecker]: L101-3 has no Hoare annotation [2020-07-28 17:43:16,982 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 17:43:16,982 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 17:43:16,982 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 17:43:16,983 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 17:43:16,983 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 17:43:16,983 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 17:43:16,983 WARN L170 areAnnotationChecker]: L118-2 has no Hoare annotation [2020-07-28 17:43:16,983 WARN L170 areAnnotationChecker]: L118-2 has no Hoare annotation [2020-07-28 17:43:16,984 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 17:43:16,984 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 17:43:16,984 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:43:16,984 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:43:16,984 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:43:16,984 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:43:16,985 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 17:43:16,985 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 17:43:16,985 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 17:43:16,985 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 17:43:16,985 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 17:43:16,985 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 17:43:16,986 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 17:43:16,986 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:43:16,986 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:43:16,986 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:43:16,986 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:43:16,986 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 17:43:16,987 WARN L170 areAnnotationChecker]: L152-1 has no Hoare annotation [2020-07-28 17:43:16,987 WARN L170 areAnnotationChecker]: L152-1 has no Hoare annotation [2020-07-28 17:43:16,987 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 17:43:16,987 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 17:43:16,987 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 17:43:16,987 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 17:43:16,988 WARN L170 areAnnotationChecker]: L152-2 has no Hoare annotation [2020-07-28 17:43:16,988 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:43:16,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:43:16 BoogieIcfgContainer [2020-07-28 17:43:16,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:43:16,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:43:16,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:43:16,992 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:43:16,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:43:15" (3/4) ... [2020-07-28 17:43:16,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:43:16,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:43:17,000 INFO L168 Benchmark]: Toolchain (without parser) took 3067.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.2 MB in the beginning and 946.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 142.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:17,001 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:43:17,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:17,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:17,004 INFO L168 Benchmark]: Boogie Preprocessor took 52.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:43:17,004 INFO L168 Benchmark]: RCFGBuilder took 974.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:17,005 INFO L168 Benchmark]: TraceAbstraction took 1475.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:17,006 INFO L168 Benchmark]: Witness Printer took 5.72 ms. Allocated memory is still 1.2 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:43:17,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 974.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1475.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.72 ms. Allocated memory is still 1.2 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 189]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 188, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L180] double y = 1.0 / 0.0; [L181] double x = __VERIFIER_nondet_double(); [L164] __int32_t hx; VAL [one_fmod=1, Zero_fmod={3:0}] [L166] ieee_double_shape_type gh_u; [L167] gh_u.value = (x) [L168] EXPR gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L170] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [one_fmod=1, Zero_fmod={3:0}] [L183] COND TRUE isfinite_double(x) [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L185] double res = fmod_double(x, y); [L188] COND TRUE res != x VAL [one_fmod=1, Zero_fmod={3:0}] [L189] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 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=60occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 0.1.25-8bd4bc6 [2020-07-28 17:43:18,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:43:18,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:43:18,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:43:18,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:43:18,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:43:18,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:43:18,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:43:18,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:43:18,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:43:18,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:43:18,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:43:18,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:43:18,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:43:18,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:43:18,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:43:18,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:43:18,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:43:18,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:43:18,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:43:18,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:43:18,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:43:18,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:43:18,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:43:18,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:43:18,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:43:18,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:43:18,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:43:18,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:43:18,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:43:18,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:43:18,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:43:18,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:43:18,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:43:18,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:43:18,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:43:18,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:43:18,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:43:18,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:43:18,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:43:18,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:43:18,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:43:19,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:43:19,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:43:19,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:43:19,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:43:19,027 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:43:19,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:43:19,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:43:19,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:43:19,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:43:19,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:43:19,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:43:19,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:43:19,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:43:19,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:43:19,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:43:19,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:43:19,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:43:19,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:43:19,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:43:19,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:43:19,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:43:19,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:43:19,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:43:19,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:43:19,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:43:19,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:43:19,034 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:43:19,035 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:43:19,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:43:19,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:43:19,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:43:19,036 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 9e3ed9850bae7d066050d32134f925a24fb3772d [2020-07-28 17:43:19,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:43:19,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:43:19,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:43:19,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:43:19,396 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:43:19,397 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-07-28 17:43:19,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3131608f6/7454f12828ee424ea3b9176120bc3b7c/FLAGd3a8c9175 [2020-07-28 17:43:19,941 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:43:19,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2020-07-28 17:43:19,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3131608f6/7454f12828ee424ea3b9176120bc3b7c/FLAGd3a8c9175 [2020-07-28 17:43:20,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3131608f6/7454f12828ee424ea3b9176120bc3b7c [2020-07-28 17:43:20,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:43:20,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:43:20,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:43:20,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:43:20,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:43:20,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2045d348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20, skipping insertion in model container [2020-07-28 17:43:20,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:43:20,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:43:20,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:43:20,761 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:43:20,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:43:20,897 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:43:20,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20 WrapperNode [2020-07-28 17:43:20,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:43:20,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:43:20,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:43:20,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:43:20,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:43:20,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:43:20,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:43:20,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:43:20,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:20,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:21,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:21,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:21,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... [2020-07-28 17:43:21,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:43:21,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:43:21,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:43:21,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:43:21,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-28 17:43:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-07-28 17:43:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-07-28 17:43:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:43:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-07-28 17:43:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:43:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:43:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:43:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:43:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:43:25,073 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:43:25,073 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-07-28 17:43:25,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:43:25 BoogieIcfgContainer [2020-07-28 17:43:25,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:43:25,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:43:25,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:43:25,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:43:25,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:43:20" (1/3) ... [2020-07-28 17:43:25,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40de8bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:43:25, skipping insertion in model container [2020-07-28 17:43:25,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:43:20" (2/3) ... [2020-07-28 17:43:25,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40de8bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:43:25, skipping insertion in model container [2020-07-28 17:43:25,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:43:25" (3/3) ... [2020-07-28 17:43:25,087 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2020-07-28 17:43:25,100 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:43:25,109 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:43:25,124 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:43:25,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:43:25,151 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:43:25,152 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:43:25,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:43:25,152 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:43:25,153 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:43:25,153 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:43:25,153 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:43:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-07-28 17:43:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:43:25,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:43:25,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:43:25,181 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:43:25,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:43:25,188 INFO L82 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2020-07-28 17:43:25,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:43:25,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57156298] [2020-07-28 17:43:25,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-28 17:43:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:43:26,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:43:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:43:26,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:43:26,333 INFO L280 TraceCheckUtils]: 0: Hoare triple {63#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_fmod~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE8(~Pluszero~DOUBLE(), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~bvadd32(8bv32, ~#Zero_fmod~0.offset), 8bv32); {63#true} is VALID [2020-07-28 17:43:26,334 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#true} havoc main_#res;havoc main_#t~nondet18, main_#t~ret19, main_#t~ret20, main_~res~0, main_~y~0, main_~x~0;main_~y~0 := ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0), ~Pluszero~DOUBLE());main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;isfinite_double_#in~x := main_~x~0;havoc isfinite_double_#res;havoc isfinite_double_#t~mem16, isfinite_double_#t~union17, isfinite_double_~#gh_u~0.base, isfinite_double_~#gh_u~0.offset, isfinite_double_~x, isfinite_double_~hx~1;isfinite_double_~x := isfinite_double_#in~x;havoc isfinite_double_~hx~1; {63#true} is VALID [2020-07-28 17:43:26,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-28 17:43:26,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#false} isfinite_double_#res := ~bvlshr32(~bvsub32(~bvand32(2147483647bv32, isfinite_double_~hx~1), 2146435072bv32), 31bv32); {64#false} is VALID [2020-07-28 17:43:26,337 INFO L280 TraceCheckUtils]: 4: Hoare triple {64#false} main_#t~ret19 := isfinite_double_#res; {64#false} is VALID [2020-07-28 17:43:26,337 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#false} assume 0bv32 != main_#t~ret19;havoc main_#t~ret19;fmod_double_#in~x, fmod_double_#in~y := main_~x~0, main_~y~0;havoc fmod_double_#res;havoc fmod_double_#t~mem0, fmod_double_#t~union1, fmod_double_#t~mem2, fmod_double_#t~union3, fmod_double_~#ew_u~0.base, fmod_double_~#ew_u~0.offset, fmod_double_#t~mem4, fmod_double_#t~union5, fmod_double_#t~mem6, fmod_double_#t~union7, fmod_double_~#ew_u~1.base, fmod_double_~#ew_u~1.offset, fmod_double_#t~mem8, fmod_double_#t~mem10, fmod_double_#t~post9, fmod_double_#t~mem11, fmod_double_#t~mem12, fmod_double_#t~union13.lsw, fmod_double_#t~union13.msw, fmod_double_~#iw_u~0.base, fmod_double_~#iw_u~0.offset, fmod_double_#t~mem14, fmod_double_#t~union15.lsw, fmod_double_#t~union15.msw, fmod_double_~#iw_u~1.base, fmod_double_~#iw_u~1.offset, fmod_double_~x, fmod_double_~y, fmod_double_~n~0, fmod_double_~hx~0, fmod_double_~hy~0, fmod_double_~hz~0, fmod_double_~ix~0, fmod_double_~iy~0, fmod_double_~sx~0, fmod_double_~i~0, fmod_double_~lx~0, fmod_double_~ly~0, fmod_double_~lz~0;fmod_double_~x := fmod_double_#in~x;fmod_double_~y := fmod_double_#in~y;havoc fmod_double_~n~0;havoc fmod_double_~hx~0;havoc fmod_double_~hy~0;havoc fmod_double_~hz~0;havoc fmod_double_~ix~0;havoc fmod_double_~iy~0;havoc fmod_double_~sx~0;havoc fmod_double_~i~0;havoc fmod_double_~lx~0;havoc fmod_double_~ly~0;havoc fmod_double_~lz~0; {64#false} is VALID [2020-07-28 17:43:26,338 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-28 17:43:26,338 INFO L280 TraceCheckUtils]: 7: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-28 17:43:26,339 INFO L280 TraceCheckUtils]: 8: Hoare triple {64#false} fmod_double_~sx~0 := ~bvand32(2147483648bv32, fmod_double_~hx~0);fmod_double_~hx~0 := ~bvxor32(fmod_double_~hx~0, fmod_double_~sx~0);fmod_double_~hy~0 := ~bvand32(2147483647bv32, fmod_double_~hy~0); {64#false} is VALID [2020-07-28 17:43:26,339 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#false} assume (0bv32 == ~bvor32(fmod_double_~hy~0, fmod_double_~ly~0) || ~bvsge32(fmod_double_~hx~0, 2146435072bv32)) || ~bvugt32(~bvor32(fmod_double_~hy~0, ~bvlshr32(~bvor32(fmod_double_~ly~0, ~bvneg32(fmod_double_~ly~0)), 31bv32)), 2146435072bv32);fmod_double_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.mul~DOUBLE(currentRoundingMode, fmod_double_~x, fmod_double_~y), ~fp.mul~DOUBLE(currentRoundingMode, fmod_double_~x, fmod_double_~y)); {64#false} is VALID [2020-07-28 17:43:26,340 INFO L280 TraceCheckUtils]: 10: Hoare triple {64#false} main_#t~ret20 := fmod_double_#res;main_~res~0 := main_#t~ret20;havoc main_#t~ret20; {64#false} is VALID [2020-07-28 17:43:26,340 INFO L280 TraceCheckUtils]: 11: Hoare triple {64#false} assume !~fp.eq~DOUBLE(main_~res~0, main_~x~0); {64#false} is VALID [2020-07-28 17:43:26,342 INFO L280 TraceCheckUtils]: 12: Hoare triple {64#false} assume !false; {64#false} is VALID [2020-07-28 17:43:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:43:26,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:43:26,375 INFO L280 TraceCheckUtils]: 12: Hoare triple {64#false} assume !false; {64#false} is VALID [2020-07-28 17:43:26,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {64#false} assume !~fp.eq~DOUBLE(main_~res~0, main_~x~0); {64#false} is VALID [2020-07-28 17:43:26,376 INFO L280 TraceCheckUtils]: 10: Hoare triple {64#false} main_#t~ret20 := fmod_double_#res;main_~res~0 := main_#t~ret20;havoc main_#t~ret20; {64#false} is VALID [2020-07-28 17:43:26,376 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#false} assume (0bv32 == ~bvor32(fmod_double_~hy~0, fmod_double_~ly~0) || ~bvsge32(fmod_double_~hx~0, 2146435072bv32)) || ~bvugt32(~bvor32(fmod_double_~hy~0, ~bvlshr32(~bvor32(fmod_double_~ly~0, ~bvneg32(fmod_double_~ly~0)), 31bv32)), 2146435072bv32);fmod_double_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.mul~DOUBLE(currentRoundingMode, fmod_double_~x, fmod_double_~y), ~fp.mul~DOUBLE(currentRoundingMode, fmod_double_~x, fmod_double_~y)); {64#false} is VALID [2020-07-28 17:43:26,377 INFO L280 TraceCheckUtils]: 8: Hoare triple {64#false} fmod_double_~sx~0 := ~bvand32(2147483648bv32, fmod_double_~hx~0);fmod_double_~hx~0 := ~bvxor32(fmod_double_~hx~0, fmod_double_~sx~0);fmod_double_~hy~0 := ~bvand32(2147483647bv32, fmod_double_~hy~0); {64#false} is VALID [2020-07-28 17:43:26,378 INFO L280 TraceCheckUtils]: 7: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-28 17:43:26,379 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#false} assume !true; {64#false} is VALID [2020-07-28 17:43:26,379 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#false} assume 0bv32 != main_#t~ret19;havoc main_#t~ret19;fmod_double_#in~x, fmod_double_#in~y := main_~x~0, main_~y~0;havoc fmod_double_#res;havoc fmod_double_#t~mem0, fmod_double_#t~union1, fmod_double_#t~mem2, fmod_double_#t~union3, fmod_double_~#ew_u~0.base, fmod_double_~#ew_u~0.offset, fmod_double_#t~mem4, fmod_double_#t~union5, fmod_double_#t~mem6, fmod_double_#t~union7, fmod_double_~#ew_u~1.base, fmod_double_~#ew_u~1.offset, fmod_double_#t~mem8, fmod_double_#t~mem10, fmod_double_#t~post9, fmod_double_#t~mem11, fmod_double_#t~mem12, fmod_double_#t~union13.lsw, fmod_double_#t~union13.msw, fmod_double_~#iw_u~0.base, fmod_double_~#iw_u~0.offset, fmod_double_#t~mem14, fmod_double_#t~union15.lsw, fmod_double_#t~union15.msw, fmod_double_~#iw_u~1.base, fmod_double_~#iw_u~1.offset, fmod_double_~x, fmod_double_~y, fmod_double_~n~0, fmod_double_~hx~0, fmod_double_~hy~0, fmod_double_~hz~0, fmod_double_~ix~0, fmod_double_~iy~0, fmod_double_~sx~0, fmod_double_~i~0, fmod_double_~lx~0, fmod_double_~ly~0, fmod_double_~lz~0;fmod_double_~x := fmod_double_#in~x;fmod_double_~y := fmod_double_#in~y;havoc fmod_double_~n~0;havoc fmod_double_~hx~0;havoc fmod_double_~hy~0;havoc fmod_double_~hz~0;havoc fmod_double_~ix~0;havoc fmod_double_~iy~0;havoc fmod_double_~sx~0;havoc fmod_double_~i~0;havoc fmod_double_~lx~0;havoc fmod_double_~ly~0;havoc fmod_double_~lz~0; {64#false} is VALID [2020-07-28 17:43:26,379 INFO L280 TraceCheckUtils]: 4: Hoare triple {64#false} main_#t~ret19 := isfinite_double_#res; {64#false} is VALID [2020-07-28 17:43:26,380 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#false} isfinite_double_#res := ~bvlshr32(~bvsub32(~bvand32(2147483647bv32, isfinite_double_~hx~1), 2146435072bv32), 31bv32); {64#false} is VALID [2020-07-28 17:43:26,381 INFO L280 TraceCheckUtils]: 2: Hoare triple {63#true} assume !true; {64#false} is VALID [2020-07-28 17:43:26,382 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#true} havoc main_#res;havoc main_#t~nondet18, main_#t~ret19, main_#t~ret20, main_~res~0, main_~y~0, main_~x~0;main_~y~0 := ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0), ~Pluszero~DOUBLE());main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;isfinite_double_#in~x := main_~x~0;havoc isfinite_double_#res;havoc isfinite_double_#t~mem16, isfinite_double_#t~union17, isfinite_double_~#gh_u~0.base, isfinite_double_~#gh_u~0.offset, isfinite_double_~x, isfinite_double_~hx~1;isfinite_double_~x := isfinite_double_#in~x;havoc isfinite_double_~hx~1; {63#true} is VALID [2020-07-28 17:43:26,382 INFO L280 TraceCheckUtils]: 0: Hoare triple {63#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_fmod~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(16bv32);call write~init~intFLOATTYPE8(~Pluszero~DOUBLE(), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~bvadd32(8bv32, ~#Zero_fmod~0.offset), 8bv32); {63#true} is VALID [2020-07-28 17:43:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:43:26,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57156298] [2020-07-28 17:43:26,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:43:26,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:43:26,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807909049] [2020-07-28 17:43:26,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-28 17:43:26,402 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:43:26,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:43:28,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:43:28,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:43:28,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:43:28,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:43:28,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:43:28,337 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-07-28 17:43:31,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:43:31,822 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2020-07-28 17:43:31,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:43:31,823 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-28 17:43:31,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:43:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:43:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2020-07-28 17:43:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:43:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2020-07-28 17:43:31,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 206 transitions. [2020-07-28 17:43:36,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:43:36,653 INFO L225 Difference]: With dead ends: 118 [2020-07-28 17:43:36,654 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 17:43:36,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:43:36,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 17:43:36,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-28 17:43:36,716 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:43:36,717 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:36,718 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:36,718 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:36,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:43:36,728 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2020-07-28 17:43:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-07-28 17:43:36,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:43:36,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:43:36,731 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:36,733 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 17:43:36,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:43:36,741 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2020-07-28 17:43:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-07-28 17:43:36,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:43:36,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:43:36,742 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:43:36,743 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:43:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 17:43:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-07-28 17:43:36,749 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2020-07-28 17:43:36,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:43:36,750 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-07-28 17:43:36,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:43:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-07-28 17:43:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 17:43:36,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:43:36,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:43:36,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:43:36,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:43:36,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:43:36,959 INFO L82 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2020-07-28 17:43:36,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:43:36,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027910043] [2020-07-28 17:43:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-28 17:43:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:43:38,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:43:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:43:39,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:43:39,581 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-28 17:43:39,582 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:43:39,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:43:39,833 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:43:39,833 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:43:39,834 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 17:43:39,834 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 17:43:39,834 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 17:43:39,834 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 17:43:39,834 WARN L170 areAnnotationChecker]: L165-3 has no Hoare annotation [2020-07-28 17:43:39,834 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 17:43:39,835 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 17:43:39,835 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 17:43:39,835 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-28 17:43:39,835 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 17:43:39,836 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-28 17:43:39,837 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-28 17:43:39,837 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-28 17:43:39,837 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:43:39,837 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:43:39,838 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:43:39,838 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 17:43:39,838 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 17:43:39,838 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 17:43:39,838 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:43:39,838 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 17:43:39,839 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-28 17:43:39,839 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-28 17:43:39,839 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-28 17:43:39,839 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-28 17:43:39,839 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 17:43:39,839 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 17:43:39,840 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:43:39,840 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:43:39,840 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 17:43:39,840 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 17:43:39,841 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:43:39,841 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:43:39,841 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:43:39,841 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:43:39,841 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:43:39,841 WARN L170 areAnnotationChecker]: L58-3 has no Hoare annotation [2020-07-28 17:43:39,843 WARN L170 areAnnotationChecker]: L58-3 has no Hoare annotation [2020-07-28 17:43:39,843 WARN L170 areAnnotationChecker]: L58-3 has no Hoare annotation [2020-07-28 17:43:39,843 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:43:39,843 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:43:39,843 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L66-3 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L66-3 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L66-3 has no Hoare annotation [2020-07-28 17:43:39,844 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 17:43:39,845 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-28 17:43:39,846 WARN L170 areAnnotationChecker]: L91-2 has no Hoare annotation [2020-07-28 17:43:39,846 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 17:43:39,846 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 17:43:39,846 WARN L170 areAnnotationChecker]: L106-1 has no Hoare annotation [2020-07-28 17:43:39,846 WARN L170 areAnnotationChecker]: L106-1 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L101-3 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 17:43:39,847 WARN L170 areAnnotationChecker]: L118-2 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L118-2 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:43:39,848 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:43:39,849 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 17:43:39,849 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 17:43:39,849 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 17:43:39,849 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 17:43:39,849 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 17:43:39,849 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 17:43:39,850 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 17:43:39,850 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:43:39,850 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-28 17:43:39,850 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:43:39,850 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:43:39,850 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 17:43:39,851 WARN L170 areAnnotationChecker]: L152-1 has no Hoare annotation [2020-07-28 17:43:39,851 WARN L170 areAnnotationChecker]: L152-1 has no Hoare annotation [2020-07-28 17:43:39,852 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 17:43:39,852 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 17:43:39,852 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 17:43:39,852 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 17:43:39,853 WARN L170 areAnnotationChecker]: L152-2 has no Hoare annotation [2020-07-28 17:43:39,853 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:43:39,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:43:39 BoogieIcfgContainer [2020-07-28 17:43:39,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:43:39,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:43:39,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:43:39,857 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:43:39,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:43:25" (3/4) ... [2020-07-28 17:43:39,859 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 17:43:39,931 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:43:39,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:43:39,935 INFO L168 Benchmark]: Toolchain (without parser) took 19636.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 932.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:39,936 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:43:39,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:39,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:39,937 INFO L168 Benchmark]: Boogie Preprocessor took 54.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:43:39,938 INFO L168 Benchmark]: RCFGBuilder took 4045.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:39,939 INFO L168 Benchmark]: TraceAbstraction took 14776.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.2 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:43:39,939 INFO L168 Benchmark]: Witness Printer took 75.37 ms. Allocated memory is still 1.2 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:43:39,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4045.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14776.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.2 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. * Witness Printer took 75.37 ms. Allocated memory is still 1.2 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 189]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1.0, Zero_fmod={2:0}] [L180] double y = 1.0 / 0.0; [L181] double x = __VERIFIER_nondet_double(); [L164] __int32_t hx; VAL [one_fmod=1.0, Zero_fmod={2:0}] [L166] ieee_double_shape_type gh_u; [L167] gh_u.value = (x) [L168] EXPR gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L170] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [one_fmod=1.0, Zero_fmod={2:0}] [L183] COND TRUE isfinite_double(x) [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1.0, Zero_fmod={2:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1.0, Zero_fmod={2:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1.0, Zero_fmod={2:0}] [L185] double res = fmod_double(x, y); [L188] COND TRUE res != x VAL [one_fmod=1.0, Zero_fmod={2:0}] [L189] __VERIFIER_error() VAL [one_fmod=1.0, Zero_fmod={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 2.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...