./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 c5828f0140d590ad7769cb7343d2c3b5784d8d5d ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 c5828f0140d590ad7769cb7343d2c3b5784d8d5d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 14:53:31,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:53:31,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:53:31,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:53:31,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:53:31,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:53:31,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:53:31,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:53:31,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:53:31,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:53:31,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:53:31,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:53:31,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:53:31,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:53:31,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:53:31,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:53:31,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:53:31,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:53:31,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:53:31,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:53:31,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:53:31,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:53:31,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:53:31,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:53:31,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:53:31,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:53:31,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:53:31,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:53:31,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:53:31,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:53:31,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:53:31,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:53:31,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:53:31,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:53:31,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:53:31,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:53:31,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:53:31,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:53:31,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:53:31,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:53:31,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:53:31,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 14:53:31,644 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:53:31,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:53:31,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:53:31,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:53:31,650 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:53:31,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:53:31,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:53:31,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 14:53:31,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:53:31,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:53:31,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:53:31,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:53:31,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:53:31,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:53:31,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:53:31,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:53:31,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:53:31,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:53:31,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:53:31,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:53:31,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:53:31,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:53:31,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:53:31,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:53:31,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:53:31,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 14:53:31,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 14:53:31,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:53:31,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:53:31,659 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5828f0140d590ad7769cb7343d2c3b5784d8d5d [2020-10-24 14:53:32,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:53:32,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:53:32,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:53:32,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:53:32,166 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:53:32,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-10-24 14:53:32,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86b64e635/db7ee6c13f9f4643849ae898e0b9eec2/FLAG2381a7182 [2020-10-24 14:53:32,939 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:53:32,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-10-24 14:53:32,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86b64e635/db7ee6c13f9f4643849ae898e0b9eec2/FLAG2381a7182 [2020-10-24 14:53:33,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86b64e635/db7ee6c13f9f4643849ae898e0b9eec2 [2020-10-24 14:53:33,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:53:33,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:53:33,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:53:33,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:53:33,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:53:33,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f4d6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33, skipping insertion in model container [2020-10-24 14:53:33,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,352 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:53:33,378 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:53:33,592 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:53:33,607 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:53:33,626 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:53:33,642 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:53:33,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33 WrapperNode [2020-10-24 14:53:33,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:53:33,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:53:33,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:53:33,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:53:33,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:53:33,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:53:33,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:53:33,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:53:33,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... [2020-10-24 14:53:33,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:53:33,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:53:33,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:53:33,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:53:33,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:53:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:53:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:53:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 14:53:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:53:34,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:53:34,037 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 14:53:34,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:53:34 BoogieIcfgContainer [2020-10-24 14:53:34,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:53:34,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:53:34,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:53:34,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:53:34,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:53:33" (1/3) ... [2020-10-24 14:53:34,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0e4d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:53:34, skipping insertion in model container [2020-10-24 14:53:34,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:33" (2/3) ... [2020-10-24 14:53:34,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0e4d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:53:34, skipping insertion in model container [2020-10-24 14:53:34,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:53:34" (3/3) ... [2020-10-24 14:53:34,049 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div.i.p+cfa-reducer.c [2020-10-24 14:53:34,062 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:53:34,068 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 14:53:34,085 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 14:53:34,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:53:34,117 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:53:34,117 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:53:34,117 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:53:34,117 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:53:34,118 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:53:34,118 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:53:34,118 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:53:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-10-24 14:53:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-24 14:53:34,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:53:34,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-24 14:53:34,144 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:53:34,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:53:34,152 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-10-24 14:53:34,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 14:53:34,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086072259] [2020-10-24 14:53:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 14:53:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 14:53:34,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 14:53:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 14:53:34,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 14:53:34,419 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 14:53:34,420 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 14:53:34,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 14:53:34,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:53:34 BoogieIcfgContainer [2020-10-24 14:53:34,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:53:34,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:53:34,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:53:34,466 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:53:34,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:53:34" (3/4) ... [2020-10-24 14:53:34,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 14:53:34,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:53:34,475 INFO L168 Benchmark]: Toolchain (without parser) took 1165.47 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 26.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-10-24 14:53:34,477 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 35.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:53:34,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.03 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 21.0 MB in the end (delta: -12.2 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:53:34,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 19.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:53:34,480 INFO L168 Benchmark]: Boogie Preprocessor took 31.54 ms. Allocated memory is still 44.0 MB. Free memory was 19.5 MB in the beginning and 28.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-10-24 14:53:34,482 INFO L168 Benchmark]: RCFGBuilder took 322.11 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 38.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:53:34,483 INFO L168 Benchmark]: TraceAbstraction took 424.18 ms. Allocated memory is still 54.5 MB. Free memory was 38.2 MB in the beginning and 26.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 14:53:34,484 INFO L168 Benchmark]: Witness Printer took 6.37 ms. Allocated memory is still 54.5 MB. Free memory was 26.5 MB in the beginning and 26.2 MB in the end (delta: 275.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:53:34,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 35.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.03 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 21.0 MB in the end (delta: -12.2 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 19.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.54 ms. Allocated memory is still 44.0 MB. Free memory was 19.5 MB in the beginning and 28.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 322.11 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 38.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 424.18 ms. Allocated memory is still 54.5 MB. Free memory was 38.2 MB in the beginning and 26.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.37 ms. Allocated memory is still 54.5 MB. Free memory was 26.5 MB in the beginning and 26.2 MB in the end (delta: 275.1 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 someBinaryArithmeticDOUBLE_SMToperation at line 10, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; VAL [__return_main=0] [L9] float main__x = 1.0; [L10] float main__x1 = main__x / 2.5; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L4] __assert_fail("0", "Float_div.i.p+cfa-reducer.c", 4, "reach_error") VAL [__return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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-ee8e70e [2020-10-24 14:53:37,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:53:37,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:53:37,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:53:37,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:53:37,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:53:37,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:53:37,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:53:37,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:53:37,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:53:37,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:53:37,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:53:37,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:53:37,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:53:37,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:53:37,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:53:37,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:53:37,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:53:37,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:53:37,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:53:37,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:53:37,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:53:37,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:53:37,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:53:37,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:53:37,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:53:37,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:53:37,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:53:37,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:53:37,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:53:37,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:53:37,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:53:37,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:53:37,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:53:37,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:53:37,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:53:37,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:53:37,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:53:37,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:53:37,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:53:37,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:53:37,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 14:53:37,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:53:37,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:53:37,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:53:37,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:53:37,757 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:53:37,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:53:37,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:53:37,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:53:37,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:53:37,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:53:37,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:53:37,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:53:37,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 14:53:37,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 14:53:37,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:53:37,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:53:37,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:53:37,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:53:37,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:53:37,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:53:37,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:53:37,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:53:37,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:53:37,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:53:37,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:53:37,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:53:37,769 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 14:53:37,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 14:53:37,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:53:37,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:53:37,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 14:53:37,772 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5828f0140d590ad7769cb7343d2c3b5784d8d5d [2020-10-24 14:53:38,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:53:38,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:53:38,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:53:38,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:53:38,302 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:53:38,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-10-24 14:53:38,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21c9aadfe/3814c17292e547a4be8faaf75c4e0450/FLAG690d843bd [2020-10-24 14:53:39,001 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:53:39,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-10-24 14:53:39,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21c9aadfe/3814c17292e547a4be8faaf75c4e0450/FLAG690d843bd [2020-10-24 14:53:39,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21c9aadfe/3814c17292e547a4be8faaf75c4e0450 [2020-10-24 14:53:39,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:53:39,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:53:39,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:53:39,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:53:39,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:53:39,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2257904c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39, skipping insertion in model container [2020-10-24 14:53:39,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,425 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:53:39,442 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:53:39,690 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:53:39,710 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:53:39,731 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:53:39,754 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:53:39,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39 WrapperNode [2020-10-24 14:53:39,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:53:39,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:53:39,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:53:39,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:53:39,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:53:39,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:53:39,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:53:39,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:53:39,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... [2020-10-24 14:53:39,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:53:39,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:53:39,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:53:39,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:53:39,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:53:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 14:53:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 14:53:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:53:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:53:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:53:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-10-24 14:53:43,458 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:53:43,459 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 14:53:43,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:53:43 BoogieIcfgContainer [2020-10-24 14:53:43,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:53:43,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:53:43,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:53:43,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:53:43,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:53:39" (1/3) ... [2020-10-24 14:53:43,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77505e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:53:43, skipping insertion in model container [2020-10-24 14:53:43,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:53:39" (2/3) ... [2020-10-24 14:53:43,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77505e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:53:43, skipping insertion in model container [2020-10-24 14:53:43,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:53:43" (3/3) ... [2020-10-24 14:53:43,506 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div.i.p+cfa-reducer.c [2020-10-24 14:53:43,532 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:53:43,538 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 14:53:43,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 14:53:43,613 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:53:43,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:53:43,614 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:53:43,614 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:53:43,614 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:53:43,614 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:53:43,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:53:43,614 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:53:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-10-24 14:53:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-24 14:53:43,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:53:43,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-24 14:53:43,634 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:53:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:53:43,641 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-10-24 14:53:43,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 14:53:43,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638451199] [2020-10-24 14:53:43,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 14:53:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:53:44,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 14:53:44,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 14:53:47,128 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse2)) (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse2))))) is different from false [2020-10-24 14:53:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:53:47,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 14:53:49,808 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_6|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_7))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_7)))) (or (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse0)) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse1)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse0))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse1) .cse3)) (not (fp.eq .cse4 .cse3))))) is different from true [2020-10-24 14:53:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:53:49,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638451199] [2020-10-24 14:53:49,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:53:49,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 14:53:49,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840585194] [2020-10-24 14:53:49,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 14:53:49,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 14:53:49,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 14:53:49,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2020-10-24 14:53:49,839 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-10-24 14:53:52,407 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_6|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_7))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_7)))) (or (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse0)) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse1)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse0))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse1) .cse3)) (not (fp.eq .cse4 .cse3)))))) is different from true [2020-10-24 14:53:54,677 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse2)) (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse2))))) is different from false [2020-10-24 14:53:58,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:53:58,353 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2020-10-24 14:53:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 14:53:58,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-10-24 14:53:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:53:58,362 INFO L225 Difference]: With dead ends: 17 [2020-10-24 14:53:58,363 INFO L226 Difference]: Without dead ends: 7 [2020-10-24 14:53:58,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=13, Invalid=11, Unknown=4, NotChecked=28, Total=56 [2020-10-24 14:53:58,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-10-24 14:53:58,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-10-24 14:53:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-24 14:53:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-10-24 14:53:58,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-10-24 14:53:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:53:58,404 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-24 14:53:58,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 14:53:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-10-24 14:53:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 14:53:58,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:53:58,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 14:53:58,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 14:53:58,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:53:58,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:53:58,623 INFO L82 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2020-10-24 14:53:58,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 14:53:58,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511509674] [2020-10-24 14:53:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 14:54:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:54:00,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-24 14:54:00,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 14:54:02,940 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from false [2020-10-24 14:54:05,386 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse0) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_8 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_8))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse4)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse3) (= .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5))))) is different from false [2020-10-24 14:54:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-10-24 14:54:05,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 14:54:08,999 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) is different from false [2020-10-24 14:54:11,225 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) is different from true [2020-10-24 14:54:13,779 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_10))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_10)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 .cse2)) (not (= .cse1 .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (fp.eq .cse8 .cse5))))) is different from true [2020-10-24 14:54:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-10-24 14:54:13,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511509674] [2020-10-24 14:54:13,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-24 14:54:13,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-10-24 14:54:13,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690093398] [2020-10-24 14:54:13,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 14:54:13,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 14:54:13,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 14:54:13,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=10, Unknown=5, NotChecked=28, Total=56 [2020-10-24 14:54:13,785 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 8 states. [2020-10-24 14:54:16,148 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_10))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_10)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 .cse2)) (not (= .cse1 .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (fp.eq .cse8 .cse5)))))) is different from true [2020-10-24 14:54:18,968 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse6 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse4) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse7) (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from false [2020-10-24 14:54:21,589 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse6 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse4) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse7) (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from true [2020-10-24 14:54:24,025 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse0) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_8 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_8))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse4)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse3) (= .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5))))) is different from false [2020-10-24 14:54:28,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:54:28,721 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-10-24 14:54:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 14:54:28,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 6 [2020-10-24 14:54:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:54:28,723 INFO L225 Difference]: With dead ends: 11 [2020-10-24 14:54:28,723 INFO L226 Difference]: Without dead ends: 8 [2020-10-24 14:54:28,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.2s TimeCoverageRelationStatistics Valid=19, Invalid=12, Unknown=9, NotChecked=70, Total=110 [2020-10-24 14:54:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-24 14:54:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-24 14:54:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-24 14:54:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-10-24 14:54:28,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-10-24 14:54:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:54:28,729 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-10-24 14:54:28,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 14:54:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-10-24 14:54:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-24 14:54:28,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:54:28,729 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-24 14:54:28,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 14:54:28,941 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:54:28,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:54:28,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1805796550, now seen corresponding path program 2 times [2020-10-24 14:54:28,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 14:54:28,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [689150639] [2020-10-24 14:54:28,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 14:54:31,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-24 14:54:31,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-24 14:54:32,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-24 14:54:32,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 14:54:34,418 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1))))) is different from false [2020-10-24 14:54:36,959 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= .cse0 .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse2) (= .cse6 .cse0) (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-10-24 14:54:39,897 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse0)))) (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_12))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse3 .cse4) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6)) (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse5) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse9) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse4) .cse8) (= .cse6 .cse3))))) is different from false [2020-10-24 14:54:40,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-24 14:54:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-10-24 14:54:45,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 14:54:46,395 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-10-24 14:54:48,649 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse0)) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse3)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))))))) is different from true [2020-10-24 14:54:51,147 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3)) (fp.eq .cse4 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse3 .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse4)) (not (= .cse5 .cse6)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse6))) (not (= .cse1 .cse5))))) is different from true [2020-10-24 14:54:54,075 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_15))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5) .cse1)) (fp.eq .cse6 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7))) (not (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse4)) (not (= .cse9 .cse5)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse11))) (not (fp.eq .cse3 .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse6)) (not (= .cse9 .cse7)) (not (= .cse11 .cse9))))) is different from true [2020-10-24 14:54:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-10-24 14:54:54,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [689150639] [2020-10-24 14:54:54,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-24 14:54:54,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-10-24 14:54:54,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078127811] [2020-10-24 14:54:54,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 14:54:54,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 14:54:54,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 14:54:54,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=19, Unknown=6, NotChecked=66, Total=110 [2020-10-24 14:54:54,081 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 11 states. [2020-10-24 14:54:56,664 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_15))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5) .cse1)) (fp.eq .cse6 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7))) (not (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse4)) (not (= .cse9 .cse5)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse11))) (not (fp.eq .cse3 .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse6)) (not (= .cse9 .cse7)) (not (= .cse11 .cse9)))))) is different from true [2020-10-24 14:54:58,914 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse5))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (= .cse9 .cse10)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse10))) (not (= .cse5 .cse9)))))) is different from false [2020-10-24 14:55:00,964 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse5))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (= .cse9 .cse10)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse10))) (not (= .cse5 .cse9)))))) is different from true [2020-10-24 14:55:05,035 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= .cse0 .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse2) (= .cse6 .cse0) (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (= roundNearestTiesToEven c_~CRM) (or (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse9 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse8 .cse9)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8)) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse11)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse11)))))))) is different from false [2020-10-24 14:55:07,782 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= .cse0 .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse2) (= .cse6 .cse0) (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (= roundNearestTiesToEven c_~CRM) (or (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse9 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse8 .cse9)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8)) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse11)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse11)))))))) is different from true [2020-10-24 14:55:10,689 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse0)))) (= roundNearestTiesToEven c_~CRM) (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (or (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) .cse2)) (fp.eq .cse2 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_12))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse4 .cse5) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse9) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse10) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse5) .cse9) (= .cse7 .cse4))))) is different from false [2020-10-24 14:55:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:55:12,426 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-10-24 14:55:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 14:55:12,427 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2020-10-24 14:55:12,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:55:12,428 INFO L225 Difference]: With dead ends: 12 [2020-10-24 14:55:12,428 INFO L226 Difference]: Without dead ends: 9 [2020-10-24 14:55:12,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=27, Invalid=21, Unknown=12, NotChecked=150, Total=210 [2020-10-24 14:55:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-10-24 14:55:12,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-10-24 14:55:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-24 14:55:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-10-24 14:55:12,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-10-24 14:55:12,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:55:12,434 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-10-24 14:55:12,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 14:55:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-10-24 14:55:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-24 14:55:12,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:55:12,436 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2020-10-24 14:55:12,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 14:55:12,645 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:55:12,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:55:12,646 INFO L82 PathProgramCache]: Analyzing trace with hash 145055718, now seen corresponding path program 3 times [2020-10-24 14:55:12,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 14:55:12,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058053724] [2020-10-24 14:55:12,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-24 14:55:17,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-24 14:55:17,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-24 14:55:17,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2020-10-24 14:55:17,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 14:55:19,993 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse1 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse1) .cse3))))) is different from false [2020-10-24 14:55:22,531 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4)) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse6 .cse4) (= .cse6 .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse7) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse3))))) is different from false [2020-10-24 14:55:25,819 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet12_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_15|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_17))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse8 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= .cse4 .cse5) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse4 .cse3) (= .cse4 .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse5) .cse9) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse7) .cse10) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse9) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8))))) is different from false [2020-10-24 14:55:27,762 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-10-24 14:55:27,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058053724] [2020-10-24 14:55:27,764 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-10-24 14:55:27,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [327788535] [2020-10-24 14:55:27,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-24 14:55:35,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-24 14:55:35,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-24 14:55:35,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 23 conjunts are in the unsatisfiable core [2020-10-24 14:55:35,046 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@17a6461b [2020-10-24 14:55:35,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215903326] [2020-10-24 14:55:35,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-24 14:57:13,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-24 14:57:13,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-24 14:57:14,712 WARN L261 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 25 conjunts are in the unsatisfiable core [2020-10-24 14:57:14,713 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@17a6461b [2020-10-24 14:57:14,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:57:14,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-24 14:57:14,713 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-24 14:57:14,713 INFO L523 BasicCegarLoop]: Counterexample might be feasible [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2020-10-24 14:57:15,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt --rewrite-divk,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-24 14:57:15,348 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-24 14:57:15,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:57:15 BoogieIcfgContainer [2020-10-24 14:57:15,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:57:15,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:57:15,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:57:15,352 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:57:15,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:53:43" (3/4) ... [2020-10-24 14:57:15,358 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 14:57:15,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:57:15,363 INFO L168 Benchmark]: Toolchain (without parser) took 215966.90 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 25.2 MB in the beginning and 39.3 MB in the end (delta: -14.0 MB). Peak memory consumption was 277.9 kB. Max. memory is 16.1 GB. [2020-10-24 14:57:15,367 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 25.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:57:15,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.65 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 27.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-24 14:57:15,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.11 ms. Allocated memory is still 48.2 MB. Free memory was 27.7 MB in the beginning and 26.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:57:15,382 INFO L168 Benchmark]: Boogie Preprocessor took 35.00 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 24.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:57:15,384 INFO L168 Benchmark]: RCFGBuilder took 3622.72 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.8 MB in the beginning and 36.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-24 14:57:15,384 INFO L168 Benchmark]: TraceAbstraction took 211865.68 ms. Allocated memory is still 60.8 MB. Free memory was 36.1 MB in the beginning and 39.7 MB in the end (delta: -3.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:57:15,385 INFO L168 Benchmark]: Witness Printer took 7.32 ms. Allocated memory is still 60.8 MB. Free memory was 39.7 MB in the beginning and 39.3 MB in the end (delta: 487.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:57:15,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 25.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.65 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 27.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.11 ms. Allocated memory is still 48.2 MB. Free memory was 27.7 MB in the beginning and 26.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.00 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 24.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3622.72 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.8 MB in the beginning and 36.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 211865.68 ms. Allocated memory is still 60.8 MB. Free memory was 36.1 MB in the beginning and 39.7 MB in the end (delta: -3.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.32 ms. Allocated memory is still 60.8 MB. Free memory was 39.7 MB in the beginning and 39.3 MB in the end (delta: 487.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1] int __return_main; [L9] EXPR 1.0 [L9] float main__x = 1.0; [L10] EXPR 2.5 [L10] EXPR main__x / 2.5 [L10] float main__x1 = main__x / 2.5; [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 2.5 [L15] EXPR main__x / 2.5 [L15] main__x1 = main__x / 2.5 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 2.5 [L15] EXPR main__x / 2.5 [L15] main__x1 = main__x / 2.5 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 2.5 [L15] EXPR main__x / 2.5 [L15] main__x1 = main__x / 2.5 [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 [L25] COND TRUE __VERIFIER_assert__cond == 0 [L4] __assert_fail("0", "Float_div.i.p+cfa-reducer.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 211.7s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 41.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 40 SDs, 0 SdLazy, 12 SolverSat, 0 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 21 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 65.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 40.5s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 12 QuantifiedInterpolants, 8861 SizeOfPredicates, 13 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 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...