./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_0270a.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36a331464187de28b12e5b04905e142d1ff0258d ................................................................................................................................................................................................................................................................................................................... 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 -Xmx15G -Xms4m -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_0270a.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36a331464187de28b12e5b04905e142d1ff0258d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:26:04,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:26:04,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:26:04,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:26:04,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:26:04,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:26:04,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:26:05,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:26:05,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:26:05,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:26:05,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:26:05,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:26:05,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:26:05,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:26:05,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:26:05,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:26:05,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:26:05,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:26:05,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:26:05,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:26:05,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:26:05,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:26:05,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:26:05,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:26:05,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:26:05,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:26:05,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:26:05,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:26:05,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:26:05,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:26:05,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:26:05,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:26:05,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:26:05,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:26:05,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:26:05,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:26:05,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:26:05,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:26:05,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:26:05,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:26:05,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:26:05,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:26:05,068 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:26:05,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:26:05,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:26:05,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:26:05,070 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:26:05,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:26:05,071 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:26:05,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:26:05,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:26:05,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:26:05,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:26:05,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:26:05,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:26:05,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:26:05,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:26:05,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:26:05,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:26:05,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:26:05,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:26:05,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:26:05,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:26:05,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:26:05,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:26:05,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:26:05,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:26:05,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:26:05,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:26:05,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:26:05,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:26:05,078 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(reach_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 -> 36a331464187de28b12e5b04905e142d1ff0258d [2020-10-20 00:26:05,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:26:05,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:26:05,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:26:05,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:26:05,319 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:26:05,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-20 00:26:05,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592f69856/d525c33bd0b1419e9cb6e4f33b0b5768/FLAGd446cf6a6 [2020-10-20 00:26:05,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:05,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-20 00:26:05,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592f69856/d525c33bd0b1419e9cb6e4f33b0b5768/FLAGd446cf6a6 [2020-10-20 00:26:06,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592f69856/d525c33bd0b1419e9cb6e4f33b0b5768 [2020-10-20 00:26:06,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:06,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:06,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:06,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:06,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:06,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b97c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06, skipping insertion in model container [2020-10-20 00:26:06,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:06,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:06,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:06,693 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:06,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:06,777 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:06,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06 WrapperNode [2020-10-20 00:26:06,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:06,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:06,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:06,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:06,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:06,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:06,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:06,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:06,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (1/1) ... [2020-10-20 00:26:06,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:06,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:06,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:06,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:06,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (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 [2020-10-20 00:26:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:26:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:26:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:26:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:26:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:26:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:26:07,628 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:26:07,628 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-20 00:26:07,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:07 BoogieIcfgContainer [2020-10-20 00:26:07,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:26:07,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:26:07,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:26:07,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:26:07,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:06" (1/3) ... [2020-10-20 00:26:07,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aab891e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:07, skipping insertion in model container [2020-10-20 00:26:07,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:06" (2/3) ... [2020-10-20 00:26:07,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aab891e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:07, skipping insertion in model container [2020-10-20 00:26:07,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:07" (3/3) ... [2020-10-20 00:26:07,641 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2020-10-20 00:26:07,653 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:26:07,662 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:26:07,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:26:07,719 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:26:07,719 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:26:07,720 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:26:07,720 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:26:07,720 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:26:07,720 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:26:07,721 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:26:07,721 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:26:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-20 00:26:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:26:07,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:07,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:07,751 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:07,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:07,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2020-10-20 00:26:07,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:26:07,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343868958] [2020-10-20 00:26:07,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:26:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:07,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343868958] [2020-10-20 00:26:07,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:07,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:26:07,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689863928] [2020-10-20 00:26:07,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:26:07,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:26:07,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:26:07,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:07,973 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-20 00:26:08,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:08,004 INFO L93 Difference]: Finished difference Result 141 states and 231 transitions. [2020-10-20 00:26:08,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:26:08,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:26:08,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:08,018 INFO L225 Difference]: With dead ends: 141 [2020-10-20 00:26:08,019 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 00:26:08,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:08,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 00:26:08,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-20 00:26:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-20 00:26:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2020-10-20 00:26:08,098 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2020-10-20 00:26:08,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:08,098 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2020-10-20 00:26:08,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:26:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-10-20 00:26:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:26:08,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:08,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:08,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:26:08,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:08,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:08,101 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2020-10-20 00:26:08,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:26:08,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064782956] [2020-10-20 00:26:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:26:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:26:08,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:26:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:26:08,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:26:08,212 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:26:08,213 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:26:08,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:26:08,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:26:08 BoogieIcfgContainer [2020-10-20 00:26:08,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:26:08,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:26:08,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:26:08,267 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:26:08,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:07" (3/4) ... [2020-10-20 00:26:08,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:26:08,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:26:08,275 INFO L168 Benchmark]: Toolchain (without parser) took 2033.38 ms. Allocated memory was 34.6 MB in the beginning and 48.2 MB in the end (delta: 13.6 MB). Free memory was 11.7 MB in the beginning and 13.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,276 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.67 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 10.7 MB in the beginning and 17.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.00 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 17.2 MB in the beginning and 25.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,279 INFO L168 Benchmark]: Boogie Preprocessor took 68.67 ms. Allocated memory is still 44.6 MB. Free memory was 25.2 MB in the beginning and 22.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,280 INFO L168 Benchmark]: RCFGBuilder took 699.22 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 22.4 MB in the beginning and 13.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,281 INFO L168 Benchmark]: TraceAbstraction took 633.68 ms. Allocated memory was 46.7 MB in the beginning and 48.2 MB in the end (delta: 1.6 MB). Free memory was 12.9 MB in the beginning and 14.5 MB in the end (delta: -1.6 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:26:08,287 INFO L168 Benchmark]: Witness Printer took 5.79 ms. Allocated memory is still 48.2 MB. Free memory was 14.5 MB in the beginning and 13.8 MB in the end (delta: 656.3 kB). Peak memory consumption was 656.3 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:08,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 530.67 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 10.7 MB in the beginning and 17.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 84.00 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 17.2 MB in the beginning and 25.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 68.67 ms. Allocated memory is still 44.6 MB. Free memory was 25.2 MB in the beginning and 22.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 699.22 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 22.4 MB in the beginning and 13.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 633.68 ms. Allocated memory was 46.7 MB in the beginning and 48.2 MB in the end (delta: 1.6 MB). Free memory was 12.9 MB in the beginning and 14.5 MB in the end (delta: -1.6 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 5.79 ms. Allocated memory is still 48.2 MB. Free memory was 14.5 MB in the beginning and 13.8 MB in the end (delta: 656.3 kB). Peak memory consumption was 656.3 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L237] double x = 0.0; [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L3] __assert_fail("0", "double_req_bl_0270a.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 97 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=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:26:10,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:26:10,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:26:10,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-20 00:26:10,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:26:10,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:26:10,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:26:10,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:26:10,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:26:10,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:26:10,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:26:10,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:26:10,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:26:10,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:26:10,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:26:10,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:26:10,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-20 00:26:10,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:26:10,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:26:10,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:26:10,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:26:10,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:26:10,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:26:10,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:26:10,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:26:10,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:26:10,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:26:10,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:26:10,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:26:10,780 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:26:10,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:26:10,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:26:10,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:26:10,782 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:26:10,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:26:10,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:26:10,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:26:10,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:26:10,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:26:10,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:26:10,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:26:10,784 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:26:10,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:26:10,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:26:10,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:26:10,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:26:10,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:26:10,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:26:10,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:26:10,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:26:10,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:26:10,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:26:10,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:26:10,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:26:10,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:26:10,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:26:10,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:26:10,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:26:10,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:26:10,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:26:10,789 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(reach_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 -> 36a331464187de28b12e5b04905e142d1ff0258d [2020-10-20 00:26:10,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:26:11,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:26:11,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:26:11,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:26:11,015 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:26:11,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-20 00:26:11,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3496faaad/ec20f713b83843a2b8c3781e59b2f3f3/FLAG2c1c3a6a4 [2020-10-20 00:26:11,540 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:11,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-20 00:26:11,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3496faaad/ec20f713b83843a2b8c3781e59b2f3f3/FLAG2c1c3a6a4 [2020-10-20 00:26:11,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3496faaad/ec20f713b83843a2b8c3781e59b2f3f3 [2020-10-20 00:26:11,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:11,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:11,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:11,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:11,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:11,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:11" (1/1) ... [2020-10-20 00:26:11,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cf936a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:11, skipping insertion in model container [2020-10-20 00:26:11,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:11" (1/1) ... [2020-10-20 00:26:11,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:11,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:12,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:12,331 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:12,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:12,437 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:12,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12 WrapperNode [2020-10-20 00:26:12,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:12,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:12,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:12,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:12,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:12,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:12,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:12,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:12,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (1/1) ... [2020-10-20 00:26:12,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:12,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:12,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:12,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:12,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (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 [2020-10-20 00:26:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:26:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:26:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:26:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:26:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:26:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:26:34,146 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:26:34,147 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-20 00:26:34,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:34 BoogieIcfgContainer [2020-10-20 00:26:34,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:26:34,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:26:34,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:26:34,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:26:34,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:11" (1/3) ... [2020-10-20 00:26:34,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9fde19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:34, skipping insertion in model container [2020-10-20 00:26:34,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:12" (2/3) ... [2020-10-20 00:26:34,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9fde19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:34, skipping insertion in model container [2020-10-20 00:26:34,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:34" (3/3) ... [2020-10-20 00:26:34,168 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2020-10-20 00:26:34,191 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:26:34,201 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:26:34,217 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:26:34,251 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:26:34,251 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:26:34,252 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:26:34,252 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:26:34,252 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:26:34,253 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:26:34,253 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:26:34,253 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:26:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-20 00:26:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:26:34,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:34,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:34,289 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:34,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:34,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2020-10-20 00:26:34,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:34,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488533517] [2020-10-20 00:26:34,317 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 [2020-10-20 00:26:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:35,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:26:35,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:35,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:35,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488533517] [2020-10-20 00:26:35,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:35,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:26:35,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917386446] [2020-10-20 00:26:35,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:26:35,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:26:35,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:35,058 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-20 00:26:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:35,088 INFO L93 Difference]: Finished difference Result 141 states and 231 transitions. [2020-10-20 00:26:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:26:35,090 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:26:35,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:35,103 INFO L225 Difference]: With dead ends: 141 [2020-10-20 00:26:35,103 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 00:26:35,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:35,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 00:26:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-20 00:26:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-20 00:26:35,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2020-10-20 00:26:35,152 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2020-10-20 00:26:35,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:35,153 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2020-10-20 00:26:35,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:26:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-10-20 00:26:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:26:35,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:35,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:35,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:26:35,371 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:35,372 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2020-10-20 00:26:35,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:35,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517177456] [2020-10-20 00:26:35,375 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 [2020-10-20 00:26:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:39,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:26:39,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:39,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:39,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517177456] [2020-10-20 00:26:39,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:39,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:26:39,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829905485] [2020-10-20 00:26:39,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:26:39,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:39,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:26:39,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:26:39,993 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2020-10-20 00:26:41,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:41,809 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2020-10-20 00:26:41,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:26:41,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-20 00:26:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:41,812 INFO L225 Difference]: With dead ends: 124 [2020-10-20 00:26:41,814 INFO L226 Difference]: Without dead ends: 65 [2020-10-20 00:26:41,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:26:41,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-20 00:26:41,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-20 00:26:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 00:26:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2020-10-20 00:26:41,844 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2020-10-20 00:26:41,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:41,845 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2020-10-20 00:26:41,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:26:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2020-10-20 00:26:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:26:41,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:41,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:42,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:26:42,063 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:42,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:42,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2020-10-20 00:26:42,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:42,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775975296] [2020-10-20 00:26:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:26:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:42,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 00:26:42,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:42,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:42,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775975296] [2020-10-20 00:26:42,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:42,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:26:42,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235354230] [2020-10-20 00:26:42,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:26:42,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:42,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:26:42,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:26:42,542 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2020-10-20 00:26:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:42,934 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2020-10-20 00:26:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:26:42,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-20 00:26:42,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:42,937 INFO L225 Difference]: With dead ends: 69 [2020-10-20 00:26:42,937 INFO L226 Difference]: Without dead ends: 65 [2020-10-20 00:26:42,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:26:42,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-20 00:26:42,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-20 00:26:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 00:26:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2020-10-20 00:26:42,949 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2020-10-20 00:26:42,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:42,950 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2020-10-20 00:26:42,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:26:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2020-10-20 00:26:42,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 00:26:42,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:42,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:43,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:26:43,159 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:43,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:43,160 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2020-10-20 00:26:43,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:26:43,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72770298] [2020-10-20 00:26:43,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 00:26:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:49,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 00:26:49,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:26:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:49,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:26:50,782 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-20 00:26:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:51,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72770298] [2020-10-20 00:26:51,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:51,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-20 00:26:51,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627336371] [2020-10-20 00:26:51,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 00:26:51,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:26:51,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 00:26:51,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:26:51,168 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2020-10-20 00:26:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:51,502 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2020-10-20 00:26:51,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:26:51,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-20 00:26:51,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:51,507 INFO L225 Difference]: With dead ends: 65 [2020-10-20 00:26:51,507 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:26:51,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:26:51,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:26:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:26:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:26:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:26:51,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-20 00:26:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:51,509 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:26:51,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 00:26:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:26:51,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:26:51,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:26:51,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:26:51,924 INFO L274 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-10-20 00:26:51,924 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2020-10-20 00:26:51,924 INFO L274 CegarLoopResult]: For program point L135(lines 135 140) no Hoare annotation was computed. [2020-10-20 00:26:51,925 INFO L274 CegarLoopResult]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2020-10-20 00:26:51,925 INFO L274 CegarLoopResult]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2020-10-20 00:26:51,925 INFO L274 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2020-10-20 00:26:51,925 INFO L270 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2020-10-20 00:26:51,926 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:26:51,926 INFO L274 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2020-10-20 00:26:51,938 INFO L274 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2020-10-20 00:26:51,938 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:26:51,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:26:51,938 INFO L274 CegarLoopResult]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2020-10-20 00:26:51,938 INFO L270 CegarLoopResult]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2020-10-20 00:26:51,938 INFO L274 CegarLoopResult]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2020-10-20 00:26:51,938 INFO L274 CegarLoopResult]: For program point L169(lines 169 195) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2020-10-20 00:26:51,939 INFO L270 CegarLoopResult]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2020-10-20 00:26:51,939 INFO L274 CegarLoopResult]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2020-10-20 00:26:51,940 INFO L274 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-10-20 00:26:51,940 INFO L274 CegarLoopResult]: For program point L106(lines 106 111) no Hoare annotation was computed. [2020-10-20 00:26:51,940 INFO L274 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2020-10-20 00:26:51,940 INFO L274 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2020-10-20 00:26:51,940 INFO L274 CegarLoopResult]: For program point L206(lines 206 222) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L274 CegarLoopResult]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L274 CegarLoopResult]: For program point L107(lines 107 108) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L274 CegarLoopResult]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L274 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2020-10-20 00:26:51,941 INFO L270 CegarLoopResult]: At program point L141(lines 128 142) the Hoare annotation is: false [2020-10-20 00:26:51,942 INFO L270 CegarLoopResult]: At program point L125(lines 20 126) the Hoare annotation is: false [2020-10-20 00:26:51,942 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2020-10-20 00:26:51,942 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2020-10-20 00:26:51,942 INFO L274 CegarLoopResult]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2020-10-20 00:26:51,942 INFO L274 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2020-10-20 00:26:51,942 INFO L274 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2020-10-20 00:26:51,942 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2020-10-20 00:26:51,943 INFO L270 CegarLoopResult]: At program point L226(lines 160 227) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) ULTIMATE.start___ieee754_asin_~ix~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0))) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-10-20 00:26:51,943 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:26:51,943 INFO L270 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2020-10-20 00:26:51,943 INFO L274 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2020-10-20 00:26:51,943 INFO L274 CegarLoopResult]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2020-10-20 00:26:51,943 INFO L270 CegarLoopResult]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2020-10-20 00:26:51,944 INFO L274 CegarLoopResult]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2020-10-20 00:26:51,944 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-10-20 00:26:51,944 INFO L270 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (= ~huge_asin~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-10-20 00:26:51,944 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-10-20 00:26:51,947 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2020-10-20 00:26:51,947 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2020-10-20 00:26:51,948 INFO L277 CegarLoopResult]: At program point L246(lines 229 247) the Hoare annotation is: true [2020-10-20 00:26:51,948 INFO L274 CegarLoopResult]: For program point L180(lines 180 195) no Hoare annotation was computed. [2020-10-20 00:26:51,953 INFO L274 CegarLoopResult]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2020-10-20 00:26:51,953 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L181(lines 181 194) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L270 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L99(lines 99 113) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L182(lines 182 183) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L116(lines 116 117) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2020-10-20 00:26:51,954 INFO L274 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2020-10-20 00:26:51,955 INFO L270 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2020-10-20 00:26:51,955 INFO L274 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2020-10-20 00:26:51,955 INFO L274 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-10-20 00:26:51,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:51,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:51,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:51,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:51,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:51,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:51,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:51,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:51,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:51,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:26:51 BoogieIcfgContainer [2020-10-20 00:26:51,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:26:51,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:26:51,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:26:51,983 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:26:51,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:34" (3/4) ... [2020-10-20 00:26:51,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:26:52,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-20 00:26:52,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 00:26:52,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:26:52,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:26:52,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0])) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx)) && \result == x) && x == ~Pluszero~LONGDOUBLE() [2020-10-20 00:26:52,076 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:26:52,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:26:52,077 INFO L168 Benchmark]: Toolchain (without parser) took 40215.06 ms. Allocated memory was 35.7 MB in the beginning and 54.5 MB in the end (delta: 18.9 MB). Free memory was 12.7 MB in the beginning and 18.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,078 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.71 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 11.9 MB in the beginning and 17.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.30 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 17.4 MB in the beginning and 25.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,080 INFO L168 Benchmark]: Boogie Preprocessor took 60.39 ms. Allocated memory is still 46.1 MB. Free memory was 25.9 MB in the beginning and 23.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,080 INFO L168 Benchmark]: RCFGBuilder took 21578.74 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 23.0 MB in the beginning and 12.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,081 INFO L168 Benchmark]: TraceAbstraction took 17829.33 ms. Allocated memory was 48.2 MB in the beginning and 54.5 MB in the end (delta: 6.3 MB). Free memory was 12.1 MB in the beginning and 25.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,081 INFO L168 Benchmark]: Witness Printer took 93.55 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 18.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:52,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 565.71 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 11.9 MB in the beginning and 17.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 73.30 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 17.4 MB in the beginning and 25.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 60.39 ms. Allocated memory is still 46.1 MB. Free memory was 25.9 MB in the beginning and 23.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 21578.74 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 23.0 MB in the beginning and 12.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 17829.33 ms. Allocated memory was 48.2 MB in the beginning and 54.5 MB in the end (delta: 6.3 MB). Free memory was 12.1 MB in the beginning and 25.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. * Witness Printer took 93.55 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 18.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2020-10-20 00:26:52,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:52,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:52,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:26:52,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:52,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:26:52,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 160]: Loop Invariant [2020-10-20 00:26:52,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:26:52,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0])) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx)) && \result == x) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 487 SDslu, 240 SDs, 0 SdLazy, 44 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8399 SizeOfPredicates, 17 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...