./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 88b5e43d 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 ../../../trunk/examples/svcomp/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 ../../../trunk/examples/svcomp/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 0.2.0-88b5e43 [2020-11-23 23:53:44,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:53:44,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:53:44,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:53:44,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:53:44,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:53:44,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:53:44,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:53:44,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:53:44,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:53:44,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:53:44,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:53:44,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:53:44,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:53:44,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:53:44,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:53:44,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:53:44,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:53:44,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:53:44,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:53:44,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:53:44,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:53:44,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:53:44,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:53:44,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:53:44,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:53:44,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:53:44,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:53:44,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:53:44,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:53:44,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:53:44,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:53:44,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:53:44,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:53:44,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:53:44,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:53:44,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:53:44,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:53:44,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:53:44,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:53:44,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:53:44,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 23:53:44,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:53:44,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:53:44,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:53:44,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:53:44,809 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:53:44,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:53:44,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:53:44,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 23:53:44,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:53:44,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:53:44,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:53:44,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:53:44,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:53:44,815 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:53:44,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:53:44,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:53:44,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:53:44,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:53:44,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:53:44,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:53:44,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:53:44,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:53:44,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:53:44,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:53:44,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:53:44,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 23:53:44,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 23:53:44,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:53:44,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:53:44,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5828f0140d590ad7769cb7343d2c3b5784d8d5d [2020-11-23 23:53:45,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:53:45,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:53:45,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:53:45,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:53:45,713 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:53:45,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-11-23 23:53:45,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ede3f1e0e/60cbdfdaa864464582af0a172cc51177/FLAGae1187561 [2020-11-23 23:53:46,933 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:53:46,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-11-23 23:53:46,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ede3f1e0e/60cbdfdaa864464582af0a172cc51177/FLAGae1187561 [2020-11-23 23:53:47,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ede3f1e0e/60cbdfdaa864464582af0a172cc51177 [2020-11-23 23:53:47,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:53:47,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:53:47,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:47,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:53:47,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:53:47,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e82500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47, skipping insertion in model container [2020-11-23 23:53:47,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,250 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:53:47,304 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:53:47,745 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:47,774 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:53:47,806 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:47,842 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:53:47,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47 WrapperNode [2020-11-23 23:53:47,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:47,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:47,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:53:47,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:53:47,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:47,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 23:53:47,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 23:53:47,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 23:53:47,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (1/1) ... [2020-11-23 23:53:47,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 23:53:47,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 23:53:47,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 23:53:47,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 23:53:47,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (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 [2020-11-23 23:53:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 23:53:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 23:53:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 23:53:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 23:53:48,679 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 23:53:48,680 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 23:53:48,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:48 BoogieIcfgContainer [2020-11-23 23:53:48,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 23:53:48,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 23:53:48,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 23:53:48,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 23:53:48,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:53:47" (1/3) ... [2020-11-23 23:53:48,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315a4b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:48, skipping insertion in model container [2020-11-23 23:53:48,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:47" (2/3) ... [2020-11-23 23:53:48,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315a4b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:48, skipping insertion in model container [2020-11-23 23:53:48,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:48" (3/3) ... [2020-11-23 23:53:48,704 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div.i.p+cfa-reducer.c [2020-11-23 23:53:48,729 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 23:53:48,738 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 23:53:48,767 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 23:53:48,827 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 23:53:48,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 23:53:48,829 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 23:53:48,829 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 23:53:48,830 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 23:53:48,830 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 23:53:48,830 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 23:53:48,831 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 23:53:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-23 23:53:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-23 23:53:48,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:53:48,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-23 23:53:48,883 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:53:48,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:53:48,901 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-11-23 23:53:48,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 23:53:48,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238459007] [2020-11-23 23:53:48,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 23:53:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 23:53:49,187 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 23:53:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 23:53:49,228 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 23:53:49,300 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 23:53:49,302 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 23:53:49,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 23:53:49,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:53:49 BoogieIcfgContainer [2020-11-23 23:53:49,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 23:53:49,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 23:53:49,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 23:53:49,410 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 23:53:49,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:48" (3/4) ... [2020-11-23 23:53:49,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 23:53:49,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 23:53:49,435 INFO L168 Benchmark]: Toolchain (without parser) took 2241.37 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 27.9 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:49,439 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 44.0 MB. Free memory is still 29.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:49,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.29 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 23.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:49,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.84 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 21.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:49,449 INFO L168 Benchmark]: Boogie Preprocessor took 48.12 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 20.7 MB in the end (delta: 943.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:49,451 INFO L168 Benchmark]: RCFGBuilder took 698.73 ms. Allocated memory is still 44.0 MB. Free memory was 20.5 MB in the beginning and 20.4 MB in the end (delta: 160.8 kB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:49,453 INFO L168 Benchmark]: TraceAbstraction took 716.27 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 28.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:49,455 INFO L168 Benchmark]: Witness Printer took 15.81 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 27.9 MB in the end (delta: 454.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:49,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 44.0 MB. Free memory is still 29.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.29 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 23.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.84 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 21.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.12 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 20.7 MB in the end (delta: 943.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 698.73 ms. Allocated memory is still 44.0 MB. Free memory was 20.5 MB in the beginning and 20.4 MB in the end (delta: 160.8 kB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 716.27 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 28.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Witness Printer took 15.81 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 27.9 MB in the end (delta: 454.5 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: 0.4s, 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 0.2.0-88b5e43 [2020-11-23 23:53:53,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:53:53,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:53:54,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:53:54,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:53:54,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:53:54,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:53:54,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:53:54,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:53:54,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:53:54,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:53:54,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:53:54,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:53:54,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:53:54,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:53:54,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:53:54,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:53:54,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:53:54,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:53:54,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:53:54,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:53:54,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:53:54,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:53:54,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:53:54,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:53:54,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:53:54,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:53:54,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:53:54,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:53:54,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:53:54,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:53:54,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:53:54,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:53:54,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:53:54,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:53:54,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:53:54,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:53:54,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:53:54,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:53:54,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:53:54,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:53:54,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 23:53:54,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:53:54,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:53:54,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:53:54,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:53:54,255 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:53:54,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:53:54,256 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:53:54,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:53:54,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:53:54,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:53:54,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:53:54,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:53:54,258 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 23:53:54,258 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 23:53:54,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:53:54,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:53:54,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:53:54,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:53:54,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:53:54,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:53:54,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:53:54,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:53:54,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:53:54,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:53:54,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:53:54,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:53:54,262 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 23:53:54,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 23:53:54,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:53:54,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:53:54,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 23:53:54,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5828f0140d590ad7769cb7343d2c3b5784d8d5d [2020-11-23 23:53:55,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:53:55,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:53:55,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:53:55,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:53:55,281 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:53:55,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-11-23 23:53:55,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31a498f79/c2c9f8c5095f422c84e350f076db359b/FLAGa86fac43a [2020-11-23 23:53:56,661 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:53:56,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-11-23 23:53:56,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31a498f79/c2c9f8c5095f422c84e350f076db359b/FLAGa86fac43a [2020-11-23 23:53:56,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31a498f79/c2c9f8c5095f422c84e350f076db359b [2020-11-23 23:53:56,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:53:56,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:53:56,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:56,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:53:56,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:53:56,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:56" (1/1) ... [2020-11-23 23:53:56,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f432032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:56, skipping insertion in model container [2020-11-23 23:53:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:56" (1/1) ... [2020-11-23 23:53:56,804 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:53:56,839 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:53:57,176 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:57,215 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:53:57,247 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:57,284 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:53:57,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57 WrapperNode [2020-11-23 23:53:57,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:57,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:57,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:53:57,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:53:57,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:57,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 23:53:57,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 23:53:57,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 23:53:57,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (1/1) ... [2020-11-23 23:53:57,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 23:53:57,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 23:53:57,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 23:53:57,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 23:53:57,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (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 [2020-11-23 23:53:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-11-23 23:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-23 23:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 23:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 23:53:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 23:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-11-23 23:54:01,835 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 23:54:01,836 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 23:54:01,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:01 BoogieIcfgContainer [2020-11-23 23:54:01,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 23:54:01,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 23:54:01,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 23:54:01,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 23:54:01,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:53:56" (1/3) ... [2020-11-23 23:54:01,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cacd79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:01, skipping insertion in model container [2020-11-23 23:54:01,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:57" (2/3) ... [2020-11-23 23:54:01,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cacd79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:01, skipping insertion in model container [2020-11-23 23:54:01,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:01" (3/3) ... [2020-11-23 23:54:01,901 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div.i.p+cfa-reducer.c [2020-11-23 23:54:01,974 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 23:54:01,993 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 23:54:02,034 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 23:54:02,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 23:54:02,082 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 23:54:02,083 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 23:54:02,083 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 23:54:02,083 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 23:54:02,083 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 23:54:02,084 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 23:54:02,084 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 23:54:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-23 23:54:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-23 23:54:02,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:54:02,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-23 23:54:02,104 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:54:02,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:54:02,111 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-11-23 23:54:02,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:54:02,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424449807] [2020-11-23 23:54:02,125 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 [2020-11-23 23:54:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 23:54:02,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-23 23:54:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:54:04,776 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64))) (let ((.cse0 (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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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))) (= .cse0 (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))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0))))))) (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (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) .cse1))))) is different from false [2020-11-23 23:54:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 23:54:04,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:54:07,041 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))) (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|))) (.cse1 (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))) (.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|))) (.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 1.0) .cse0)) (not (= .cse1 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse1 .cse3)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))))))) is different from true [2020-11-23 23:54:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 23:54:07,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424449807] [2020-11-23 23:54:07,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 23:54:07,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-23 23:54:07,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248669625] [2020-11-23 23:54:07,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-23 23:54:07,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:54:07,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-23 23:54:07,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2020-11-23 23:54:07,074 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-11-23 23:54:13,915 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64))) (let ((.cse0 (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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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))) (= .cse0 (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))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0))))))) (= roundNearestTiesToEven c_~CRM) (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 ((.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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (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) .cse1))))) is different from false [2020-11-23 23:54:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:54:17,933 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2020-11-23 23:54:17,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-23 23:54:17,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-11-23 23:54:17,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:54:17,945 INFO L225 Difference]: With dead ends: 17 [2020-11-23 23:54:17,946 INFO L226 Difference]: Without dead ends: 7 [2020-11-23 23:54:17,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=11, Invalid=10, Unknown=3, NotChecked=18, Total=42 [2020-11-23 23:54:17,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-11-23 23:54:17,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-11-23 23:54:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-23 23:54:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-11-23 23:54:17,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-11-23 23:54:17,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:54:17,986 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-11-23 23:54:17,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-23 23:54:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-11-23 23:54:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-23 23:54:17,987 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:54:17,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-23 23:54:18,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-23 23:54:18,198 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:54:18,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:54:18,200 INFO L82 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2020-11-23 23:54:18,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:54:18,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103460712] [2020-11-23 23:54:18,202 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 [2020-11-23 23:54:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 23:54:18,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-23 23:54:18,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:54:28,513 WARN L193 SmtUtils]: Spent 8.01 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-23 23:54:30,795 WARN L838 $PredicateComparison]: unable to prove that (and (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))) (let ((.cse0 (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|))) (.cse1 (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))) (.cse2 (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 .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))) (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) .cse1) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse2)))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse3 (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 (= .cse3 (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))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse3) (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 [2020-11-23 23:54:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-11-23 23:54:30,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:54:35,448 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.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|))) (.cse2 (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) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)) (not (fp.eq .cse2 .cse1))))) is different from false [2020-11-23 23:54:37,582 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.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|))) (.cse2 (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) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)) (not (fp.eq .cse2 .cse1))))) is different from true [2020-11-23 23:54:39,886 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ 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_~main__x~0_10 (_ BitVec 32))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse0 (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 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|))) (.cse1 (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|))) (.cse6 (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 (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6)) (not (fp.eq .cse6 .cse5))))) is different from true [2020-11-23 23:54:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-11-23 23:54:39,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103460712] [2020-11-23 23:54:39,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:54:39,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-11-23 23:54:39,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352392135] [2020-11-23 23:54:39,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-23 23:54:39,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:54:39,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-23 23:54:39,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=13, Unknown=5, NotChecked=24, Total=56 [2020-11-23 23:54:39,905 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 8 states. [2020-11-23 23:54:42,093 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ 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_~main__x~0_10 (_ BitVec 32))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse0 (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 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|))) (.cse1 (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|))) (.cse6 (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 (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6)) (not (fp.eq .cse6 .cse5))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:54:44,674 WARN L838 $PredicateComparison]: unable to prove that (and (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))) (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|))) (.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))) (.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|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (= ((_ 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)))))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse3 (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|))) (.cse5 (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))) (.cse4 (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 (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (fp.eq .cse5 .cse4)))))) is different from false [2020-11-23 23:54:47,581 WARN L860 $PredicateComparison]: unable to prove that (and (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))) (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|))) (.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))) (.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|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (= ((_ 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)))))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse3 (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|))) (.cse5 (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))) (.cse4 (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 (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (fp.eq .cse5 .cse4)))))) is different from true [2020-11-23 23:54:49,879 WARN L838 $PredicateComparison]: unable to prove that (and (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))) (let ((.cse0 (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|))) (.cse1 (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))) (.cse2 (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 .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))) (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) .cse1) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse2)))) (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~nondet13_6| (_ BitVec 64))) (let ((.cse3 (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 (= .cse3 (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))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse3) (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 [2020-11-23 23:54:54,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:54:54,531 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-11-23 23:54:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-23 23:54:54,532 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 6 [2020-11-23 23:54:54,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:54:54,532 INFO L225 Difference]: With dead ends: 11 [2020-11-23 23:54:54,532 INFO L226 Difference]: Without dead ends: 8 [2020-11-23 23:54:54,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=20, Invalid=15, Unknown=9, NotChecked=66, Total=110 [2020-11-23 23:54:54,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-23 23:54:54,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-23 23:54:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-23 23:54:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-23 23:54:54,538 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-11-23 23:54:54,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:54:54,539 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-11-23 23:54:54,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-23 23:54:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-23 23:54:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-23 23:54:54,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:54:54,540 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-11-23 23:54:54,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-23 23:54:54,752 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:54:54,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:54:54,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1805796550, now seen corresponding path program 2 times [2020-11-23 23:54:54,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:54:54,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594510022] [2020-11-23 23:54:54,756 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 [2020-11-23 23:54:55,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-23 23:54:55,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:54:55,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-23 23:54:55,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:55:06,007 WARN L193 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-23 23:55:08,332 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|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~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.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|))) (.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))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse3 (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~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse4)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= ((_ 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 [2020-11-23 23:55:10,789 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse0 (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|)))) (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))) (= .cse0 (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))) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))))) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse1 (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|))) (.cse4 (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))) (.cse3 (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|))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse6 (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)))) (and (= ((_ to_fp 8 24) c_~CRM .cse1) (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) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse6))))) is different from false [2020-11-23 23:55:10,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-23 23:55:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-11-23 23:55:15,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:55:19,835 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-23 23:55:21,993 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~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)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse0)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))))))) is different from true [2020-11-23 23:55:24,302 WARN L860 $PredicateComparison]: unable to prove that (forall ((|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~nondet13_9| (_ BitVec 64))) (let ((.cse1 (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_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse2 (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))) (.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|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1)) (fp.eq .cse2 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse1 .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse2)) (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse4))) (not (= .cse3 (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))) .cse4)))))) is different from true [2020-11-23 23:55:26,787 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_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~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse1 (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))) (.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|))) (.cse0 (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_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse4 (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))) (.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|))) (.cse3 (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))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse1 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse6))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse6))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse4 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse5) .cse8)) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse6)))))) is different from true [2020-11-23 23:55:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-11-23 23:55:26,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594510022] [2020-11-23 23:55:26,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:55:26,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-11-23 23:55:26,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189586806] [2020-11-23 23:55:26,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-23 23:55:26,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:55:26,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-23 23:55:26,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=24, Unknown=6, NotChecked=60, Total=110 [2020-11-23 23:55:26,792 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 11 states. [2020-11-23 23:55:29,531 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~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_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~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse1 (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))) (.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|))) (.cse0 (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_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse4 (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))) (.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|))) (.cse3 (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))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse1 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse6))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse6))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse4 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse5) .cse8)) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse6))))))) is different from true [2020-11-23 23:55:33,642 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|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 ((.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|))) (.cse0 (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|))) (.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)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ 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))) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)))) (forall ((|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~nondet13_9| (_ BitVec 64))) (let ((.cse4 (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))) (.cse3 (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|))) (.cse5 (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~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse7 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse4 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse7))) (not (= .cse6 (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))) .cse7)))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:55:35,930 WARN L838 $PredicateComparison]: unable to prove that (and (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~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)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse0)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))))))) (= roundNearestTiesToEven c_~CRM) (exists ((|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~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~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse4 (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 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (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|))) (.cse6 (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))) (.cse8 (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 (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse7)) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse8) (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 [2020-11-23 23:55:38,665 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (let ((.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)))) (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)) .cse0)) (fp.eq .cse0 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((|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|)))) (and (= ((_ 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))) (= .cse1 (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))) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))))) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ 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))) (.cse4 (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 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.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|))) (.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)))) (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 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6)) (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse7))))) is different from false [2020-11-23 23:55:45,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:55:45,366 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-23 23:55:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-23 23:55:45,368 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2020-11-23 23:55:45,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:55:45,369 INFO L225 Difference]: With dead ends: 12 [2020-11-23 23:55:45,369 INFO L226 Difference]: Without dead ends: 9 [2020-11-23 23:55:45,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.2s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=10, NotChecked=144, Total=210 [2020-11-23 23:55:45,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-23 23:55:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-23 23:55:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-23 23:55:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-23 23:55:45,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-11-23 23:55:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:55:45,376 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-23 23:55:45,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-23 23:55:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-23 23:55:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-23 23:55:45,377 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:55:45,377 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2020-11-23 23:55:45,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-23 23:55:45,580 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:55:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:55:45,582 INFO L82 PathProgramCache]: Analyzing trace with hash 145055718, now seen corresponding path program 3 times [2020-11-23 23:55:45,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:55:45,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585636972] [2020-11-23 23:55:45,584 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 [2020-11-23 23:55:46,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-23 23:55:46,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:55:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-23 23:55:46,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:55:49,028 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)) (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|))) (.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|))) (.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)))) (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)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse1) .cse2))))) is different from false [2020-11-23 23:55:51,338 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_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.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))) (.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|))) (.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|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse4 (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|))) (.cse5 (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))) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3) .cse2) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse3)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5))))) is different from false [2020-11-23 23:55:53,847 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~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|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|))) (.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))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse6 (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))) (.cse5 (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|))) (.cse7 (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|))) (.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 (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4) .cse5) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse4)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse4) .cse7) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse6) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse3))))) is different from false [2020-11-23 23:55:56,474 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|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)) (v_ULTIMATE.start_main_~main__x~0_18 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_18))) (.cse2 (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|))) (.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|))) (.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))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse3 (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|))) (.cse7 (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 (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse6) .cse2) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse6)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse6) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse7)))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (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))) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .cse8) (= (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 .cse8)))))) is different from false [2020-11-23 23:55:56,546 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-23 23:56:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-11-23 23:56:01,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:56:02,075 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-23 23:56:04,239 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32))) (let ((.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))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (fp.eq .cse2 .cse1)) (not (= .cse2 ((_ to_fp 8 24) c_~CRM .cse0)))))) (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)))) is different from true [2020-11-23 23:56:06,540 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse2 (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|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1)) (not (= (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))) .cse3) .cse2)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3) .cse4)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse4))) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-11-23 23:56:08,991 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse4 (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|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1)) (not (= (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))) .cse3) .cse4)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3) .cse5)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse5))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-11-23 23:56:11,628 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_22 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_22 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_22))) (.cse3 (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|))) (.cse7 (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|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_22))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse6 (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|))) (.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|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse3))) (not (fp.eq .cse4 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse7) .cse8)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1) .cse9)) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse1) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse10)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-11-23 23:56:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-11-23 23:56:11,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585636972] [2020-11-23 23:56:11,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:56:11,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2020-11-23 23:56:11,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016390069] [2020-11-23 23:56:11,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-23 23:56:11,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:56:11,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-23 23:56:11,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=21, Unknown=8, NotChecked=104, Total=156 [2020-11-23 23:56:11,634 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 13 states. [2020-11-23 23:56:14,130 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_22 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_22 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_22))) (.cse3 (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|))) (.cse7 (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|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_22))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse6 (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|))) (.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|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse3))) (not (fp.eq .cse4 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse7) .cse8)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1) .cse9)) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse1) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse10)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:56:16,276 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse4 (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|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1)) (not (= (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))) .cse3) .cse4)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3) .cse5)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse5))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse7 (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|))) (.cse8 (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|))) (.cse9 (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 .cse7) (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))) (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .cse7) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse9))))) is different from false [2020-11-23 23:56:18,522 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse4 (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|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1)) (not (= (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))) .cse3) .cse4)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3) .cse5)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse5))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse7 (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|))) (.cse8 (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|))) (.cse9 (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 .cse7) (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))) (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .cse7) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse9))))) is different from true [2020-11-23 23:56:20,816 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse2 (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|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1)) (not (= (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))) .cse3) .cse2)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3) .cse4)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse4))) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.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~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~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse8 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse9 (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|))) (.cse10 (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 .cse5) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse7) (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.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse8) .cse7) (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse8)) (= ((_ to_fp 8 24) c_~CRM .cse9) .cse10))))) is different from false [2020-11-23 23:56:24,217 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~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|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|))) (.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))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (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|))) (.cse6 (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))) (.cse5 (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|))) (.cse7 (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|))) (.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 (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4) .cse5) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse4)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse4) .cse7) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse6) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse3)))) (or (forall ((|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32))) (let ((.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))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (or (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (fp.eq .cse10 .cse9)) (not (= .cse10 ((_ to_fp 8 24) c_~CRM .cse8)))))) (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))))) is different from false [2020-11-23 23:56:27,089 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (let ((.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)))) (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)) .cse0)) (fp.eq .cse0 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|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)) (v_ULTIMATE.start_main_~main__x~0_18 (_ BitVec 32))) (let ((.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_18))) (.cse3 (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|))) (.cse2 (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|))) (.cse1 (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 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse4 (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|))) (.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|))) (.cse8 (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 (= .cse1 ((_ to_fp 8 24) c_~CRM .cse2)) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse7) .cse3) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse7)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse7) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse8)))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (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))) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .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 .cse9)))))) is different from false [2020-11-23 23:56:30,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:56:30,767 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-23 23:56:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-23 23:56:30,770 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 8 [2020-11-23 23:56:30,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:56:30,770 INFO L225 Difference]: With dead ends: 13 [2020-11-23 23:56:30,770 INFO L226 Difference]: Without dead ends: 10 [2020-11-23 23:56:30,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.8s TimeCoverageRelationStatistics Valid=33, Invalid=25, Unknown=14, NotChecked=234, Total=306 [2020-11-23 23:56:30,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-23 23:56:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-23 23:56:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-23 23:56:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-23 23:56:30,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2020-11-23 23:56:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:56:30,777 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-11-23 23:56:30,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-23 23:56:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-23 23:56:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-23 23:56:30,778 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:56:30,778 INFO L422 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2020-11-23 23:56:30,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-23 23:56:30,989 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:56:30,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:56:30,990 INFO L82 PathProgramCache]: Analyzing trace with hash 201697478, now seen corresponding path program 4 times [2020-11-23 23:56:30,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:56:30,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836798862] [2020-11-23 23:56:30,992 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-23 23:56:32,255 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-23 23:56:32,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:56:32,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-23 23:56:32,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:56:43,457 WARN L193 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-23 23:56:45,753 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.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))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1) (= ((_ 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) .cse5)))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-11-23 23:56:48,202 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse7 (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))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= (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 .cse4)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse2)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse2) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7) (= .cse1 ((_ to_fp 8 24) c_~CRM .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse6))))) is different from false [2020-11-23 23:56:50,798 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse0 (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 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 ((_ to_fp 8 24) c_~CRM .cse3)) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse7) (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))) (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse5)) (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse5)) (= .cse4 ((_ to_fp 8 24) c_~CRM .cse8)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse9) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse5)))))) is different from false [2020-11-23 23:56:53,759 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_26 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_26) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_26) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_26))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (and (= (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 8 24) roundNearestTiesToEven .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) .cse2) (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) .cse3)) (= .cse4 ((_ to_fp 8 24) roundNearestTiesToEven .cse5)) (= .cse6 ((_ to_fp 8 24) roundNearestTiesToEven .cse7)) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse6) .cse3)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse8) .cse9) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse8) (= .cse5 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse9) .cse3)) (= .cse7 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse4) .cse3))))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64))) (let ((.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|)))) (and (= .cse10 (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))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse10) (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 [2020-11-23 23:56:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2020-11-23 23:56:53,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:57:12,885 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 29 [2020-11-23 23:57:15,024 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (fp.eq .cse4 .cse0)) (not (= .cse1 (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))) .cse2)))))) is different from false [2020-11-23 23:57:17,302 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (fp.eq .cse4 .cse0)) (not (= .cse1 (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))) .cse2)))))) is different from true [2020-11-23 23:57:19,453 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (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))) .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (fp.eq .cse5 .cse0)) (not (= .cse6 ((_ to_fp 8 24) c_~CRM .cse4))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse2)))))) is different from false [2020-11-23 23:57:21,861 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (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))) .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (fp.eq .cse5 .cse0)) (not (= .cse6 ((_ to_fp 8 24) c_~CRM .cse4))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse2)))))) is different from true [2020-11-23 23:57:24,007 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (fp.eq .cse4 .cse0)) (not (= .cse5 ((_ to_fp 8 24) c_~CRM .cse6))) (not (= .cse7 ((_ to_fp 8 24) c_~CRM .cse8))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse2))) (not (= .cse6 (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))) .cse2))) (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2)))))) is different from false [2020-11-23 23:57:26,600 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (fp.eq .cse4 .cse0)) (not (= .cse5 ((_ to_fp 8 24) c_~CRM .cse6))) (not (= .cse7 ((_ to_fp 8 24) c_~CRM .cse8))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse2))) (not (= .cse6 (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))) .cse2))) (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2)))))) is different from true [2020-11-23 23:57:29,959 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_31 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_31 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_31) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_31) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_31))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_31) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_31) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_31))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse12 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse4)) (not (= .cse5 ((_ to_fp 8 24) c_~CRM .cse6))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse3) .cse7)) (not (fp.eq .cse8 .cse2)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))) (not (= .cse9 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse3))) (not (= .cse2 ((_ to_fp 8 24) c_~CRM .cse11))) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (= .cse10 ((_ to_fp 8 24) c_~CRM .cse7))) (not (= .cse12 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= .cse11 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) .cse3)))))) is different from true [2020-11-23 23:57:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 1 times theorem prover too weak. 0 trivial. 9 not checked. [2020-11-23 23:57:29,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836798862] [2020-11-23 23:57:29,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:57:29,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2020-11-23 23:57:29,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648097795] [2020-11-23 23:57:29,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-23 23:57:29,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:57:29,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-23 23:57:29,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=19, Unknown=17, NotChecked=120, Total=182 [2020-11-23 23:57:29,964 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 14 states. [2020-11-23 23:57:34,785 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_31 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_31 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_31) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_31) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_31))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_31) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_31) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_31))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse12 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse4)) (not (= .cse5 ((_ to_fp 8 24) c_~CRM .cse6))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse3) .cse7)) (not (fp.eq .cse8 .cse2)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))) (not (= .cse9 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse3))) (not (= .cse2 ((_ to_fp 8 24) c_~CRM .cse11))) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (= .cse10 ((_ to_fp 8 24) c_~CRM .cse7))) (not (= .cse12 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= .cse11 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) .cse3)))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:57:36,951 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.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))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1) (= ((_ 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)))))) (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse3 ((_ to_fp 8 24) c_~CRM .cse4))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse5) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (not (fp.eq .cse7 .cse3)) (not (= .cse8 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= .cse10 ((_ to_fp 8 24) c_~CRM .cse11))) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse5))) (not (= .cse9 (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 (= .cse11 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse5))))))) is different from false [2020-11-23 23:57:39,499 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.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))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1) (= ((_ 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)))))) (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse3 ((_ to_fp 8 24) c_~CRM .cse4))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse5) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (not (fp.eq .cse7 .cse3)) (not (= .cse8 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= .cse10 ((_ to_fp 8 24) c_~CRM .cse11))) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse5))) (not (= .cse9 (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 (= .cse11 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse5))))))) is different from true [2020-11-23 23:57:41,791 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.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))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1) (= ((_ 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) .cse5)))) (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse12 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse8 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse6 ((_ to_fp 8 24) c_~CRM .cse7))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse8) .cse9)) (not (= .cse10 (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))) .cse8))) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse11)) (not (fp.eq .cse11 .cse6)) (not (= .cse12 ((_ to_fp 8 24) c_~CRM .cse10))) (not (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) .cse8))))))) is different from false [2020-11-23 23:57:44,614 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.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))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1) (= ((_ 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) .cse5)))) (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse12 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse8 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse6 ((_ to_fp 8 24) c_~CRM .cse7))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse8) .cse9)) (not (= .cse10 (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))) .cse8))) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse11)) (not (fp.eq .cse11 .cse6)) (not (= .cse12 ((_ to_fp 8 24) c_~CRM .cse10))) (not (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) .cse8))))))) is different from true [2020-11-23 23:57:47,067 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (fp.eq .cse4 .cse0)) (not (= .cse1 (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))) .cse2)))))) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse7 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse12 (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))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23)))) (and (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse8) (= (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 .cse9)) (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse11) .cse7)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) .cse7) .cse9) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse12) (= .cse6 ((_ to_fp 8 24) c_~CRM .cse10)) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse11))))) is different from false [2020-11-23 23:57:49,144 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (not (fp.eq .cse4 .cse0)) (not (= .cse1 (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))) .cse2)))))) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse7 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse12 (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))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23)))) (and (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse8) (= (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 .cse9)) (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse11) .cse7)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) .cse7) .cse9) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse12) (= .cse6 ((_ to_fp 8 24) c_~CRM .cse10)) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse11))))) is different from true [2020-11-23 23:57:51,927 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse0 (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 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 ((_ to_fp 8 24) c_~CRM .cse3)) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse7) (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))) (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse5)) (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse5)) (= .cse4 ((_ to_fp 8 24) c_~CRM .cse8)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse9) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse5))))) (forall ((|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse12 (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 (= ((_ to_fp 8 24) c_~CRM .cse10) .cse11)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (fp.eq .cse11 .cse12)))))) is different from false [2020-11-23 23:57:54,391 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse0 (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 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 ((_ to_fp 8 24) c_~CRM .cse3)) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse7) (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))) (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse5)) (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse5)) (= .cse4 ((_ to_fp 8 24) c_~CRM .cse8)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse9) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse5))))) (forall ((|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse11 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse12 (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 (= ((_ to_fp 8 24) c_~CRM .cse10) .cse11)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse12) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))))) (not (fp.eq .cse11 .cse12)))))) is different from true [2020-11-23 23:57:57,688 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_26 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_26) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_26) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_26))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (and (= (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 8 24) roundNearestTiesToEven .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) .cse2) (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) .cse3)) (= .cse4 ((_ to_fp 8 24) roundNearestTiesToEven .cse5)) (= .cse6 ((_ to_fp 8 24) roundNearestTiesToEven .cse7)) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse6) .cse3)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse8) .cse9) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse8) (= .cse5 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse9) .cse3)) (= .cse7 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse4) .cse3))))) (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~nondet13_24| (_ BitVec 64))) (let ((.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|)))) (and (= .cse10 (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))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse10) (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 [2020-11-23 23:58:08,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:58:08,696 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-11-23 23:58:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-23 23:58:08,699 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 9 [2020-11-23 23:58:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:58:08,699 INFO L225 Difference]: With dead ends: 14 [2020-11-23 23:58:08,699 INFO L226 Difference]: Without dead ends: 11 [2020-11-23 23:58:08,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 83.1s TimeCoverageRelationStatistics Valid=38, Invalid=21, Unknown=27, NotChecked=294, Total=380 [2020-11-23 23:58:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-23 23:58:08,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-23 23:58:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-23 23:58:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-23 23:58:08,706 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2020-11-23 23:58:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:58:08,706 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-23 23:58:08,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-23 23:58:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-23 23:58:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-23 23:58:08,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:58:08,707 INFO L422 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1] [2020-11-23 23:58:08,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-23 23:58:08,908 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:58:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:58:08,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1957592038, now seen corresponding path program 5 times [2020-11-23 23:58:08,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:58:08,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783599048] [2020-11-23 23:58:08,910 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-23 23:58:10,566 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-11-23 23:58:10,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:58:10,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-23 23:58:10,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:58:12,919 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_16| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_16|))) (.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))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_16|)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ 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))) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) .cse1) (= .cse2 ((_ to_fp 8 24) c_~CRM .cse0)))))) is different from false [2020-11-23 23:58:15,264 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_16| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_30| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_32 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_32))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_16|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_30|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_16|))) (.cse5 (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)) (= (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)) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse1 ((_ to_fp 8 24) c_~CRM .cse4)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse5))))) is different from false [2020-11-23 23:58:17,768 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_31| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_30| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_32 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_33 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_32))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_16|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_16|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_33) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_33) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_33))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_30|))) (.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))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_31|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_31|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_31|)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse1 ((_ to_fp 8 24) c_~CRM .cse3)) (= .cse4 ((_ to_fp 8 24) c_~CRM .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))) (= .cse6 ((_ to_fp 8 24) c_~CRM .cse7)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse2) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse2) .cse5))))) is different from false [2020-11-23 23:58:20,439 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_34 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_31| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_30| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_32 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_33 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_32))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_16|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_16|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_31|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_31|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_31|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_34) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_34) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_34))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_33) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_33) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_33))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_30|)))) (and (= ((_ to_fp 8 24) c_~CRM .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))) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse2 ((_ to_fp 8 24) c_~CRM .cse4)) (= .cse5 ((_ to_fp 8 24) c_~CRM .cse1)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3) .cse0) (= .cse6 ((_ to_fp 8 24) c_~CRM .cse7)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse3) .cse7)))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_32| (_ BitVec 64))) (let ((.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_32|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_32|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_32|)))) (and (= .cse8 (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))) ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (= ((_ to_fp 8 24) c_~CRM .cse8) (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 [2020-11-23 23:58:23,926 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_34 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_16| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_35 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_33| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_32| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_31| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_30| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_32 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_33 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_16|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_32) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_32))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_16|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_31|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_31|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_31|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_33|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_33|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_33|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_32|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_32|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_32|))) (.cse10 (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 31 31) v_ULTIMATE.start_main_~main__x~0_35) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_35) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_35))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_34) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_34) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_34))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_33) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_33) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_33))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_30|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_30|)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4)) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse4)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse3) (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (= (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 .cse8)) (= .cse5 ((_ to_fp 8 24) c_~CRM .cse7)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse4) .cse6) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse4) .cse8) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse10) (not (fp.eq .cse10 .cse3)) (= .cse9 ((_ to_fp 8 24) c_~CRM .cse11)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse4) .cse11))))) is different from false [2020-11-23 23:58:27,030 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-11-23 23:58:27,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783599048] [2020-11-23 23:58:27,032 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") [2020-11-23 23:58:27,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [445201025] [2020-11-23 23:58:27,033 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-23 23:58:32,184 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-11-23 23:58:32,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:58:32,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-23 23:58:32,193 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@75ecdc89 [2020-11-23 23:58:32,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428406819] [2020-11-23 23:58:32,193 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-24 00:01:10,868 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-11-24 00:01:10,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-24 00:01:11,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-24 00:01:11,628 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@75ecdc89 [2020-11-24 00:01:11,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-24 00:01:11,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-24 00:01:11,628 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-11-24 00:01:11,628 INFO L523 BasicCegarLoop]: Counterexample might be feasible [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2020-11-24 00:01:12,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-24 00:01:12,267 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-24 00:01:12,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:01:12 BoogieIcfgContainer [2020-11-24 00:01:12,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-24 00:01:12,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-24 00:01:12,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-24 00:01:12,269 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-24 00:01:12,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:01" (3/4) ... [2020-11-24 00:01:12,273 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-24 00:01:12,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-24 00:01:12,275 INFO L168 Benchmark]: Toolchain (without parser) took 435544.95 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 18.7 MB in the beginning and 20.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-24 00:01:12,275 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-24 00:01:12,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.66 ms. Allocated memory is still 54.5 MB. Free memory was 39.8 MB in the beginning and 29.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-24 00:01:12,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.93 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 28.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-24 00:01:12,278 INFO L168 Benchmark]: Boogie Preprocessor took 55.08 ms. Allocated memory is still 54.5 MB. Free memory was 28.1 MB in the beginning and 26.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-24 00:01:12,279 INFO L168 Benchmark]: RCFGBuilder took 4417.23 ms. Allocated memory is still 54.5 MB. Free memory was 26.9 MB in the beginning and 28.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-11-24 00:01:12,280 INFO L168 Benchmark]: TraceAbstraction took 430411.79 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 20.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-24 00:01:12,280 INFO L168 Benchmark]: Witness Printer took 4.38 ms. Allocated memory is still 54.5 MB. Free memory was 20.9 MB in the beginning and 20.5 MB in the end (delta: 374.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-24 00:01:12,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.66 ms. Allocated memory is still 54.5 MB. Free memory was 39.8 MB in the beginning and 29.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.93 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 28.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.08 ms. Allocated memory is still 54.5 MB. Free memory was 28.1 MB in the beginning and 26.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4417.23 ms. Allocated memory is still 54.5 MB. Free memory was 26.9 MB in the beginning and 28.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 430411.79 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 20.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.38 ms. Allocated memory is still 54.5 MB. Free memory was 20.9 MB in the beginning and 20.5 MB in the end (delta: 374.0 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 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 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 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 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 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 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: 430.1s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 101.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 1 SDslu, 69 SDs, 0 SdLazy, 23 SolverSat, 0 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 32.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 45 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 196.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 139.5s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 60 ConstructedInterpolants, 30 QuantifiedInterpolants, 27113 SizeOfPredicates, 27 NumberOfNonLiveVariables, 200 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/40 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...