./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbb939d5 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.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 bbabbac29d53fb5c08c994976f0cc24cf1493748 ...................................................................................................................................................................................................................................................................................................... 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.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 bbabbac29d53fb5c08c994976f0cc24cf1493748 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-cbb939d [2020-11-23 16:02:38,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 16:02:38,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 16:02:38,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 16:02:38,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 16:02:38,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 16:02:39,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 16:02:39,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 16:02:39,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 16:02:39,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 16:02:39,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 16:02:39,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 16:02:39,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 16:02:39,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 16:02:39,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 16:02:39,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 16:02:39,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 16:02:39,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 16:02:39,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 16:02:39,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 16:02:39,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 16:02:39,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 16:02:39,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 16:02:39,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 16:02:39,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 16:02:39,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 16:02:39,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 16:02:39,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 16:02:39,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 16:02:39,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 16:02:39,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 16:02:39,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 16:02:39,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 16:02:39,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 16:02:39,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 16:02:39,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 16:02:39,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 16:02:39,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 16:02:39,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 16:02:39,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 16:02:39,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 16:02:39,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 16:02:39,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 16:02:39,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 16:02:39,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 16:02:39,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 16:02:39,151 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 16:02:39,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 16:02:39,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 16:02:39,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 16:02:39,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 16:02:39,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 16:02:39,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 16:02:39,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 16:02:39,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 16:02:39,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 16:02:39,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 16:02:39,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 16:02:39,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 16:02:39,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 16:02:39,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 16:02:39,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 16:02:39,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 16:02:39,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:02:39,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 16:02:39,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 16:02:39,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 16:02:39,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 16:02:39,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 16:02:39,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 16:02:39,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 16:02:39,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbabbac29d53fb5c08c994976f0cc24cf1493748 [2020-11-23 16:02:39,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 16:02:39,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 16:02:39,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 16:02:39,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 16:02:39,603 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 16:02:39,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-23 16:02:39,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24622d388/5de654c46ee649d699c3c4c549266567/FLAG97ff9eb73 [2020-11-23 16:02:40,394 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 16:02:40,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-23 16:02:40,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24622d388/5de654c46ee649d699c3c4c549266567/FLAG97ff9eb73 [2020-11-23 16:02:40,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24622d388/5de654c46ee649d699c3c4c549266567 [2020-11-23 16:02:40,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 16:02:40,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 16:02:40,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 16:02:40,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 16:02:40,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 16:02:40,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:40" (1/1) ... [2020-11-23 16:02:40,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c57d1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:40, skipping insertion in model container [2020-11-23 16:02:40,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:40" (1/1) ... [2020-11-23 16:02:40,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 16:02:40,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 16:02:40,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:02:41,009 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 16:02:41,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:02:41,050 INFO L208 MainTranslator]: Completed translation [2020-11-23 16:02:41,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41 WrapperNode [2020-11-23 16:02:41,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 16:02:41,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 16:02:41,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 16:02:41,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 16:02:41,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 16:02:41,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 16:02:41,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 16:02:41,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 16:02:41,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (1/1) ... [2020-11-23 16:02:41,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 16:02:41,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 16:02:41,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 16:02:41,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 16:02:41,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (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 [2020-11-23 16:02:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 16:02:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 16:02:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 16:02:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 16:02:41,519 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 16:02:41,520 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 16:02:41,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:41 BoogieIcfgContainer [2020-11-23 16:02:41,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 16:02:41,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 16:02:41,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 16:02:41,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 16:02:41,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:02:40" (1/3) ... [2020-11-23 16:02:41,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee088d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:41, skipping insertion in model container [2020-11-23 16:02:41,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:41" (2/3) ... [2020-11-23 16:02:41,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee088d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:41, skipping insertion in model container [2020-11-23 16:02:41,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:41" (3/3) ... [2020-11-23 16:02:41,535 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2020-11-23 16:02:41,555 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 16:02:41,560 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 16:02:41,577 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 16:02:41,608 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 16:02:41,612 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 16:02:41,613 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 16:02:41,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 16:02:41,614 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 16:02:41,614 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 16:02:41,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 16:02:41,615 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 16:02:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-23 16:02:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:02:41,650 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:02:41,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:02:41,652 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:02:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:02:41,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1949357366, now seen corresponding path program 1 times [2020-11-23 16:02:41,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 16:02:41,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906018751] [2020-11-23 16:02:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 16:02:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:02:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:02:42,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906018751] [2020-11-23 16:02:42,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:02:42,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-23 16:02:42,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677786739] [2020-11-23 16:02:42,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-23 16:02:42,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-23 16:02:42,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-23 16:02:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-23 16:02:42,079 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2020-11-23 16:02:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:02:42,191 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-11-23 16:02:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-23 16:02:42,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-23 16:02:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:02:42,203 INFO L225 Difference]: With dead ends: 31 [2020-11-23 16:02:42,204 INFO L226 Difference]: Without dead ends: 14 [2020-11-23 16:02:42,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-23 16:02:42,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-23 16:02:42,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-23 16:02:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-23 16:02:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-11-23 16:02:42,248 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-11-23 16:02:42,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:02:42,249 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-11-23 16:02:42,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-23 16:02:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-11-23 16:02:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:02:42,250 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:02:42,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:02:42,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 16:02:42,250 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:02:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:02:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1930440081, now seen corresponding path program 1 times [2020-11-23 16:02:42,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 16:02:42,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686946453] [2020-11-23 16:02:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 16:02:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 16:02:42,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 16:02:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 16:02:42,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 16:02:42,310 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 16:02:42,311 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 16:02:42,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-23 16:02:42,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:02:42 BoogieIcfgContainer [2020-11-23 16:02:42,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 16:02:42,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 16:02:42,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 16:02:42,358 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 16:02:42,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:41" (3/4) ... [2020-11-23 16:02:42,362 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 16:02:42,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 16:02:42,365 INFO L168 Benchmark]: Toolchain (without parser) took 1626.75 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 28.4 MB in the beginning and 48.6 MB in the end (delta: -20.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:02:42,366 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 20.4 MB in the beginning and 20.4 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:02:42,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.31 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 31.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-23 16:02:42,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 29.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:02:42,369 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 ms. Allocated memory is still 50.3 MB. Free memory was 29.8 MB in the beginning and 28.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:02:42,370 INFO L168 Benchmark]: RCFGBuilder took 400.28 ms. Allocated memory is still 50.3 MB. Free memory was 28.8 MB in the beginning and 30.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-23 16:02:42,371 INFO L168 Benchmark]: TraceAbstraction took 832.06 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.6 MB in the beginning and 49.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-23 16:02:42,372 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 65.0 MB. Free memory was 49.0 MB in the beginning and 48.6 MB in the end (delta: 391.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:02:42,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 20.4 MB in the beginning and 20.4 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.31 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 31.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 29.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.83 ms. Allocated memory is still 50.3 MB. Free memory was 29.8 MB in the beginning and 28.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 400.28 ms. Allocated memory is still 50.3 MB. Free memory was 28.8 MB in the beginning and 30.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 832.06 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.6 MB in the beginning and 49.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.39 ms. Allocated memory is still 65.0 MB. Free memory was 49.0 MB in the beginning and 48.6 MB in the end (delta: 391.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L1] int __return_main; [L12] int __return_76; VAL [__return_76=0, __return_main=0] [L15] double main__x; [L16] double main__y; [L17] main__x = __VERIFIER_nondet_double() [L18] int main____CPAchecker_TMP_0; VAL [__return_76=0, __return_main=0] [L19] COND TRUE main__x >= 0.0 VAL [__return_76=0, __return_main=0] [L21] COND TRUE main__x <= 10.0 [L23] main____CPAchecker_TMP_0 = 1 VAL [__return_76=0, __return_main=0] [L24] COND TRUE main____CPAchecker_TMP_0 != 0 [L26] main__y = (main__x * main__x) - main__x VAL [__return_76=0, __return_main=0] [L27] COND FALSE !(main__y >= 0) [L69] main__y = (main__x * main__x) + 2.0 VAL [__return_76=0, __return_main=0] [L31] int main____CPAchecker_TMP_1; VAL [__return_76=0, __return_main=0] [L32] COND FALSE !(main__y >= 0.0) VAL [__return_76=0, __return_main=0] [L58] main____CPAchecker_TMP_1 = 0 VAL [__return_76=0, __return_main=0] [L39] int __tmp_1; [L40] __tmp_1 = main____CPAchecker_TMP_1 [L41] int __VERIFIER_assert__cond; [L42] __VERIFIER_assert__cond = __tmp_1 VAL [__return_76=0, __return_main=0] [L43] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_76=0, __return_main=0] [L4] __assert_fail("0", "zonotope_loose.c.v+cfa-reducer.c", 4, "reach_error") VAL [__return_76=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 28 SDslu, 39 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-cbb939d [2020-11-23 16:02:44,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 16:02:44,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 16:02:45,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 16:02:45,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 16:02:45,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 16:02:45,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 16:02:45,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 16:02:45,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 16:02:45,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 16:02:45,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 16:02:45,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 16:02:45,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 16:02:45,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 16:02:45,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 16:02:45,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 16:02:45,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 16:02:45,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 16:02:45,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 16:02:45,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 16:02:45,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 16:02:45,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 16:02:45,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 16:02:45,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 16:02:45,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 16:02:45,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 16:02:45,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 16:02:45,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 16:02:45,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 16:02:45,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 16:02:45,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 16:02:45,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 16:02:45,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 16:02:45,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 16:02:45,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 16:02:45,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 16:02:45,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 16:02:45,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 16:02:45,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 16:02:45,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 16:02:45,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 16:02:45,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 16:02:45,220 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 16:02:45,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 16:02:45,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 16:02:45,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 16:02:45,225 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 16:02:45,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 16:02:45,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 16:02:45,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 16:02:45,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 16:02:45,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 16:02:45,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 16:02:45,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 16:02:45,229 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 16:02:45,229 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 16:02:45,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 16:02:45,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 16:02:45,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 16:02:45,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 16:02:45,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 16:02:45,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 16:02:45,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 16:02:45,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 16:02:45,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:02:45,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 16:02:45,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 16:02:45,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 16:02:45,232 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 16:02:45,232 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 16:02:45,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 16:02:45,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 16:02:45,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 16:02:45,233 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbabbac29d53fb5c08c994976f0cc24cf1493748 [2020-11-23 16:02:45,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 16:02:45,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 16:02:45,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 16:02:45,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 16:02:45,671 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 16:02:45,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-23 16:02:45,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749792bb0/558cba7a0ec04ecf85c8b48fbc898f31/FLAG114968dd1 [2020-11-23 16:02:46,396 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 16:02:46,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-23 16:02:46,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749792bb0/558cba7a0ec04ecf85c8b48fbc898f31/FLAG114968dd1 [2020-11-23 16:02:46,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749792bb0/558cba7a0ec04ecf85c8b48fbc898f31 [2020-11-23 16:02:46,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 16:02:46,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 16:02:46,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 16:02:46,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 16:02:46,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 16:02:46,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:46" (1/1) ... [2020-11-23 16:02:46,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0160b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:46, skipping insertion in model container [2020-11-23 16:02:46,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:46" (1/1) ... [2020-11-23 16:02:46,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 16:02:46,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 16:02:47,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:02:47,055 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 16:02:47,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:02:47,096 INFO L208 MainTranslator]: Completed translation [2020-11-23 16:02:47,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47 WrapperNode [2020-11-23 16:02:47,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 16:02:47,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 16:02:47,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 16:02:47,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 16:02:47,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 16:02:47,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 16:02:47,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 16:02:47,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 16:02:47,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (1/1) ... [2020-11-23 16:02:47,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 16:02:47,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 16:02:47,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 16:02:47,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 16:02:47,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (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 [2020-11-23 16:02:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-23 16:02:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 16:02:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 16:02:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 16:02:51,750 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 16:02:51,750 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 16:02:51,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:51 BoogieIcfgContainer [2020-11-23 16:02:51,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 16:02:51,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 16:02:51,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 16:02:51,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 16:02:51,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:02:46" (1/3) ... [2020-11-23 16:02:51,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1204fc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:51, skipping insertion in model container [2020-11-23 16:02:51,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:47" (2/3) ... [2020-11-23 16:02:51,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1204fc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:51, skipping insertion in model container [2020-11-23 16:02:51,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:51" (3/3) ... [2020-11-23 16:02:51,763 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2020-11-23 16:02:51,778 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 16:02:51,782 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 16:02:51,795 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 16:02:51,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 16:02:51,824 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 16:02:51,824 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 16:02:51,824 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 16:02:51,825 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 16:02:51,825 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 16:02:51,825 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 16:02:51,825 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 16:02:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-23 16:02:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:02:51,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:02:51,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:02:51,846 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:02:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:02:51,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1949357366, now seen corresponding path program 1 times [2020-11-23 16:02:51,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:02:51,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914269398] [2020-11-23 16:02:51,871 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 [2020-11-23 16:02:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:02:52,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-23 16:02:52,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:02:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:02:52,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:02:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:02:52,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914269398] [2020-11-23 16:02:52,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:02:52,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-23 16:02:52,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363688631] [2020-11-23 16:02:52,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-23 16:02:52,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:02:52,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-23 16:02:52,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-23 16:02:52,559 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2020-11-23 16:02:52,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:02:52,623 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-11-23 16:02:52,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-23 16:02:52,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-11-23 16:02:52,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:02:52,635 INFO L225 Difference]: With dead ends: 31 [2020-11-23 16:02:52,635 INFO L226 Difference]: Without dead ends: 14 [2020-11-23 16:02:52,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-23 16:02:52,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-23 16:02:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-23 16:02:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-23 16:02:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-11-23 16:02:52,676 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-11-23 16:02:52,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:02:52,677 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-11-23 16:02:52,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-23 16:02:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-11-23 16:02:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:02:52,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:02:52,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:02:52,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-23 16:02:52,894 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:02:52,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:02:52,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1930440081, now seen corresponding path program 1 times [2020-11-23 16:02:52,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:02:52,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104892512] [2020-11-23 16:02:52,897 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 [2020-11-23 16:02:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:02:53,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-23 16:02:53,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:02:55,423 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-11-23 16:03:02,918 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from false [2020-11-23 16:03:04,954 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from true [2020-11-23 16:03:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:03:17,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:03:27,014 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 8 [2020-11-23 16:03:29,052 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from false [2020-11-23 16:03:31,097 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from true [2020-11-23 16:03:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:03:31,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104892512] [2020-11-23 16:03:31,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:03:31,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-11-23 16:03:31,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364629488] [2020-11-23 16:03:31,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-23 16:03:31,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:03:31,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-23 16:03:31,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=20, Unknown=6, NotChecked=30, Total=72 [2020-11-23 16:03:31,113 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 9 states. [2020-11-23 16:03:33,676 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53))))) is different from false [2020-11-23 16:03:45,453 WARN L194 SmtUtils]: Spent 7.86 s on a formula simplification that was a NOOP. DAG size: 12 [2020-11-23 16:03:52,221 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53))) is different from false [2020-11-23 16:04:09,884 WARN L194 SmtUtils]: Spent 6.13 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-23 16:04:14,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:04:14,744 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-11-23 16:04:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-23 16:04:14,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-11-23 16:04:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:04:14,746 INFO L225 Difference]: With dead ends: 26 [2020-11-23 16:04:14,746 INFO L226 Difference]: Without dead ends: 21 [2020-11-23 16:04:14,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 52.5s TimeCoverageRelationStatistics Valid=28, Invalid=38, Unknown=10, NotChecked=80, Total=156 [2020-11-23 16:04:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-23 16:04:14,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2020-11-23 16:04:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-23 16:04:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-11-23 16:04:14,753 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2020-11-23 16:04:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:04:14,753 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-11-23 16:04:14,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-23 16:04:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-11-23 16:04:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-23 16:04:14,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:04:14,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:04:14,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-23 16:04:14,970 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:04:14,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:04:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -123235692, now seen corresponding path program 1 times [2020-11-23 16:04:14,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:04:14,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127727593] [2020-11-23 16:04:14,974 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 [2020-11-23 16:04:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:04:15,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-23 16:04:15,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:04:18,540 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-11-23 16:04:25,279 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-11-23 16:04:27,490 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-11-23 16:04:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:04:40,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:04:50,431 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 8 [2020-11-23 16:04:57,155 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from false [2020-11-23 16:04:59,404 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2020-11-23 16:05:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:05:03,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127727593] [2020-11-23 16:05:03,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:05:03,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-11-23 16:05:03,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176364032] [2020-11-23 16:05:03,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-23 16:05:03,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:05:03,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-23 16:05:03,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=11, Unknown=8, NotChecked=24, Total=56 [2020-11-23 16:05:03,905 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 8 states. [2020-11-23 16:05:17,148 WARN L194 SmtUtils]: Spent 6.70 s on a formula simplification that was a NOOP. DAG size: 10 [2020-11-23 16:05:26,175 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from false [2020-11-23 16:05:28,427 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2020-11-23 16:05:47,299 WARN L194 SmtUtils]: Spent 8.60 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-23 16:05:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:05:59,170 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2020-11-23 16:05:59,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-23 16:05:59,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-11-23 16:05:59,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:05:59,416 INFO L225 Difference]: With dead ends: 21 [2020-11-23 16:05:59,416 INFO L226 Difference]: Without dead ends: 16 [2020-11-23 16:05:59,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.4s TimeCoverageRelationStatistics Valid=22, Invalid=20, Unknown=16, NotChecked=52, Total=110 [2020-11-23 16:05:59,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-23 16:05:59,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2020-11-23 16:05:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-23 16:05:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-11-23 16:05:59,422 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-11-23 16:05:59,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:05:59,422 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-11-23 16:05:59,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-23 16:05:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-11-23 16:05:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-23 16:05:59,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:05:59,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:05:59,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-23 16:05:59,633 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:05:59,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:05:59,635 INFO L82 PathProgramCache]: Analyzing trace with hash -288146032, now seen corresponding path program 1 times [2020-11-23 16:05:59,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:05:59,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494785389] [2020-11-23 16:05:59,636 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 [2020-11-23 16:06:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:06:00,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-23 16:06:00,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:06:17,124 WARN L194 SmtUtils]: Spent 14.08 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-23 16:06:19,190 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-23 16:06:21,281 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-23 16:06:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:06:22,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:06:49,083 WARN L194 SmtUtils]: Spent 10.09 s on a formula simplification that was a NOOP. DAG size: 17 [2020-11-23 16:06:51,152 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from false [2020-11-23 16:06:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:06:54,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494785389] [2020-11-23 16:06:54,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:06:54,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2020-11-23 16:06:54,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111651962] [2020-11-23 16:06:54,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-23 16:06:54,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:06:54,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-23 16:06:54,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=48, Unknown=8, NotChecked=48, Total=132 [2020-11-23 16:06:54,657 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 12 states. [2020-11-23 16:07:13,405 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (and (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_ULTIMATE.start_main_~main__y~0 (fp.sub c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~main__x~0)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-11-23 16:07:16,394 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-23 16:07:18,462 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-23 16:07:20,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:07:20,186 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-23 16:07:20,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-23 16:07:20,239 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-23 16:07:20,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:07:20,240 INFO L225 Difference]: With dead ends: 22 [2020-11-23 16:07:20,240 INFO L226 Difference]: Without dead ends: 14 [2020-11-23 16:07:20,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 67.0s TimeCoverageRelationStatistics Valid=34, Invalid=51, Unknown=11, NotChecked=114, Total=210 [2020-11-23 16:07:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-23 16:07:20,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-23 16:07:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-23 16:07:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-11-23 16:07:20,246 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2020-11-23 16:07:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:07:20,246 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-11-23 16:07:20,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-23 16:07:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-11-23 16:07:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-23 16:07:20,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:07:20,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:07:20,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-23 16:07:20,459 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:07:20,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:07:20,460 INFO L82 PathProgramCache]: Analyzing trace with hash -99384821, now seen corresponding path program 1 times [2020-11-23 16:07:20,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:07:20,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632282714] [2020-11-23 16:07:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-23 16:07:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:07:20,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-23 16:07:20,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:07:23,224 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-11-23 16:07:25,503 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-11-23 16:07:32,247 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse1))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~main__x~0 .cse1) (fp.geq .cse0 (_ +zero 11 53)))))) is different from false [2020-11-23 16:07:34,470 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse1))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~main__x~0 .cse1) (fp.geq .cse0 (_ +zero 11 53)))))) is different from true [2020-11-23 16:07:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:07:47,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:07:50,263 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (or (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) is different from false [2020-11-23 16:07:52,504 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (or (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) is different from true [2020-11-23 16:07:54,737 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from false [2020-11-23 16:07:56,984 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from true [2020-11-23 16:07:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:07:56,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632282714] [2020-11-23 16:07:56,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:07:56,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2020-11-23 16:07:56,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012363582] [2020-11-23 16:07:56,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-23 16:07:56,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:07:56,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-23 16:07:56,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=8, NotChecked=60, Total=110 [2020-11-23 16:07:56,992 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 11 states. [2020-11-23 16:07:59,226 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))))) is different from false [2020-11-23 16:08:01,476 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))))) is different from true [2020-11-23 16:08:05,227 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 .cse0) (let ((.cse1 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from true [2020-11-23 16:08:33,778 WARN L194 SmtUtils]: Spent 23.10 s on a formula simplification that was a NOOP. DAG size: 20 [2020-11-23 16:08:40,688 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-11-23 16:08:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:08:40,695 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-23 16:08:40,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-23 16:08:40,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2020-11-23 16:08:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:08:40,695 INFO L225 Difference]: With dead ends: 14 [2020-11-23 16:08:40,696 INFO L226 Difference]: Without dead ends: 0 [2020-11-23 16:08:40,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 57.3s TimeCoverageRelationStatistics Valid=31, Invalid=30, Unknown=13, NotChecked=136, Total=210 [2020-11-23 16:08:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-23 16:08:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-23 16:08:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-23 16:08:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-23 16:08:40,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-23 16:08:40,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:08:40,698 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-23 16:08:40,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-23 16:08:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-23 16:08:40,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-23 16:08:40,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-23 16:08:40,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-23 16:10:30,015 WARN L194 SmtUtils]: Spent 1.82 m on a formula simplification that was a NOOP. DAG size: 47 [2020-11-23 16:10:30,019 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-23 16:10:30,019 INFO L258 CegarLoopResult]: At program point L64(lines 32 65) the Hoare annotation is: false [2020-11-23 16:10:30,019 INFO L262 CegarLoopResult]: For program point L27(lines 27 71) no Hoare annotation was computed. [2020-11-23 16:10:30,019 INFO L262 CegarLoopResult]: For program point L21(lines 21 81) no Hoare annotation was computed. [2020-11-23 16:10:30,019 INFO L265 CegarLoopResult]: At program point L85(lines 13 87) the Hoare annotation is: true [2020-11-23 16:10:30,019 INFO L262 CegarLoopResult]: For program point L19(lines 19 86) no Hoare annotation was computed. [2020-11-23 16:10:30,019 INFO L262 CegarLoopResult]: For program point L34(lines 34 60) no Hoare annotation was computed. [2020-11-23 16:10:30,020 INFO L262 CegarLoopResult]: For program point L32(lines 32 65) no Hoare annotation was computed. [2020-11-23 16:10:30,020 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-23 16:10:30,020 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-23 16:10:30,020 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-23 16:10:30,020 INFO L258 CegarLoopResult]: At program point L59(lines 34 60) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start_main_~main____CPAchecker_TMP_1~0) [2020-11-23 16:10:30,021 INFO L262 CegarLoopResult]: For program point L24(lines 24 76) no Hoare annotation was computed. [2020-11-23 16:10:30,021 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-23 16:10:30,021 INFO L262 CegarLoopResult]: For program point L43(lines 43 52) no Hoare annotation was computed. [2020-11-23 16:10:30,021 INFO L258 CegarLoopResult]: At program point L70(lines 27 71) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (fp.leq ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) currentRoundingMode 105.0))) (.cse3 (let ((.cse5 (fp.geq ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (.cse6 (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (or (and .cse5 .cse6 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) (and .cse5 .cse6 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (fp.geq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) currentRoundingMode 2.0)) (_ +zero 11 53))))))) (or (and .cse0 .cse1 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub currentRoundingMode .cse2 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (= (fp.add currentRoundingMode .cse2 ((_ to_fp 11 53) currentRoundingMode 2.0)) ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))))) .cse3) (and .cse0 .cse1 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) currentRoundingMode 10.0))) (and (= ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse4)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse4)))) .cse3))) [2020-11-23 16:10:30,022 INFO L262 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-23 16:10:30,022 INFO L262 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-11-23 16:10:30,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:10:30 BoogieIcfgContainer [2020-11-23 16:10:30,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 16:10:30,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 16:10:30,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 16:10:30,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 16:10:30,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:51" (3/4) ... [2020-11-23 16:10:30,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-23 16:10:30,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-23 16:10:30,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-23 16:10:30,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-23 16:10:30,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-23 16:10:30,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((!~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && (forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE()))) || (((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ~fp.geq~DOUBLE(~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, main__x, main__x), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)), ~Pluszero~LONGDOUBLE())))) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) && ((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && (forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE()))) || (((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ~fp.geq~DOUBLE(~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, main__x, main__x), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)), ~Pluszero~LONGDOUBLE())))) [2020-11-23 16:10:30,223 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-23 16:10:30,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 16:10:30,226 INFO L168 Benchmark]: Toolchain (without parser) took 463441.13 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.1 MB in the beginning and 18.8 MB in the end (delta: 361.3 kB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,227 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory is still 26.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:10:30,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.72 ms. Allocated memory is still 41.9 MB. Free memory was 18.5 MB in the beginning and 19.4 MB in the end (delta: -898.4 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.48 ms. Allocated memory is still 41.9 MB. Free memory was 19.4 MB in the beginning and 17.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,228 INFO L168 Benchmark]: Boogie Preprocessor took 38.66 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.9 MB in the beginning and 34.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,229 INFO L168 Benchmark]: RCFGBuilder took 4569.34 ms. Allocated memory is still 50.3 MB. Free memory was 34.7 MB in the beginning and 33.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,230 INFO L168 Benchmark]: TraceAbstraction took 458374.14 ms. Allocated memory is still 50.3 MB. Free memory was 33.2 MB in the beginning and 21.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,230 INFO L168 Benchmark]: Witness Printer took 94.39 ms. Allocated memory is still 50.3 MB. Free memory was 21.3 MB in the beginning and 18.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:10:30,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory is still 26.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.72 ms. Allocated memory is still 41.9 MB. Free memory was 18.5 MB in the beginning and 19.4 MB in the end (delta: -898.4 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.48 ms. Allocated memory is still 41.9 MB. Free memory was 19.4 MB in the beginning and 17.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.66 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.9 MB in the beginning and 34.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4569.34 ms. Allocated memory is still 50.3 MB. Free memory was 34.7 MB in the beginning and 33.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 458374.14 ms. Allocated memory is still 50.3 MB. Free memory was 33.2 MB in the beginning and 21.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 94.39 ms. Allocated memory is still 50.3 MB. Free memory was 21.3 MB in the beginning and 18.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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 - 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 - 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 - 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 - 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 - 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 - 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: 4]: 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1bv32 == main____CPAchecker_TMP_1 - InvariantResult [Line: 27]: Loop Invariant [2020-11-23 16:10:30,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-23 16:10:30,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-23 16:10:30,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-23 16:10:30,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-23 16:10:30,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((!~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && (forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE()))) || (((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ~fp.geq~DOUBLE(~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, main__x, main__x), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)), ~Pluszero~LONGDOUBLE())))) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) && ((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && (forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE()))) || (((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ~fp.geq~DOUBLE(~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, main__x, main__x), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)), ~Pluszero~LONGDOUBLE())))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 349.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 168.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 109.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 SDtfs, 39 SDslu, 142 SDs, 0 SdLazy, 66 SolverSat, 4 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 44.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 23 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 235.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 200 HoareAnnotationTreeSize, 4 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 109.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 177.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 32 QuantifiedInterpolants, 11616 SizeOfPredicates, 19 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...