./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 ............................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 19:27:52,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 19:27:52,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 19:27:52,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 19:27:52,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 19:27:52,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 19:27:52,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 19:27:52,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 19:27:52,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 19:27:52,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 19:27:52,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 19:27:52,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 19:27:52,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 19:27:52,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 19:27:52,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 19:27:52,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 19:27:52,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 19:27:52,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 19:27:52,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 19:27:52,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 19:27:52,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 19:27:52,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 19:27:52,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 19:27:53,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 19:27:53,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 19:27:53,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 19:27:53,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 19:27:53,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 19:27:53,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 19:27:53,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 19:27:53,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 19:27:53,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 19:27:53,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 19:27:53,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 19:27:53,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 19:27:53,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 19:27:53,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 19:27:53,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 19:27:53,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 19:27:53,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 19:27:53,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 19:27:53,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 19:27:53,049 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 19:27:53,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 19:27:53,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 19:27:53,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 19:27:53,052 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 19:27:53,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 19:27:53,053 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 19:27:53,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 19:27:53,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 19:27:53,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 19:27:53,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 19:27:53,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 19:27:53,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 19:27:53,055 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 19:27:53,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 19:27:53,055 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 19:27:53,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 19:27:53,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 19:27:53,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 19:27:53,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 19:27:53,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 19:27:53,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:27:53,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 19:27:53,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 19:27:53,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 19:27:53,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 19:27:53,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 19:27:53,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 19:27:53,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 19:27:53,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 [2020-12-02 19:27:53,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 19:27:53,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 19:27:53,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 19:27:53,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 19:27:53,539 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 19:27:53,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-12-02 19:27:53,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf32ebfa/4c3ac1e08201435193f8e0abc24e2363/FLAG96d46e952 [2020-12-02 19:27:54,242 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 19:27:54,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-12-02 19:27:54,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf32ebfa/4c3ac1e08201435193f8e0abc24e2363/FLAG96d46e952 [2020-12-02 19:27:54,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf32ebfa/4c3ac1e08201435193f8e0abc24e2363 [2020-12-02 19:27:54,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 19:27:54,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 19:27:54,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 19:27:54,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 19:27:54,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 19:27:54,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:54,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76583e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54, skipping insertion in model container [2020-12-02 19:27:54,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:54,643 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 19:27:54,683 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 19:27:54,872 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2020-12-02 19:27:54,881 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:27:54,900 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 19:27:54,921 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2020-12-02 19:27:54,923 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:27:54,946 INFO L217 MainTranslator]: Completed translation [2020-12-02 19:27:54,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54 WrapperNode [2020-12-02 19:27:54,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 19:27:54,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 19:27:54,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 19:27:54,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 19:27:54,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:54,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 19:27:55,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 19:27:55,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 19:27:55,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 19:27:55,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... [2020-12-02 19:27:55,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 19:27:55,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 19:27:55,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 19:27:55,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 19:27:55,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:27:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 19:27:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 19:27:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 19:27:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 19:27:55,369 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 19:27:55,370 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 19:27:55,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:27:55 BoogieIcfgContainer [2020-12-02 19:27:55,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 19:27:55,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 19:27:55,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 19:27:55,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 19:27:55,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:27:54" (1/3) ... [2020-12-02 19:27:55,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3d5ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:27:55, skipping insertion in model container [2020-12-02 19:27:55,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:54" (2/3) ... [2020-12-02 19:27:55,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3d5ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:27:55, skipping insertion in model container [2020-12-02 19:27:55,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:27:55" (3/3) ... [2020-12-02 19:27:55,384 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div_bad.i.p+cfa-reducer.c [2020-12-02 19:27:55,402 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 19:27:55,406 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 19:27:55,423 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 19:27:55,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 19:27:55,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 19:27:55,461 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 19:27:55,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 19:27:55,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 19:27:55,462 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 19:27:55,462 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 19:27:55,462 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 19:27:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-02 19:27:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 19:27:55,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:27:55,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 19:27:55,490 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:27:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:27:55,499 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-12-02 19:27:55,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 19:27:55,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876490784] [2020-12-02 19:27:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 19:27:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 19:27:55,719 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 19:27:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 19:27:55,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 19:27:55,804 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 19:27:55,805 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 19:27:55,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 19:27:55,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:27:55 BoogieIcfgContainer [2020-12-02 19:27:55,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 19:27:55,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 19:27:55,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 19:27:55,859 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 19:27:55,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:27:55" (3/4) ... [2020-12-02 19:27:55,876 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 19:27:55,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 19:27:55,882 INFO L168 Benchmark]: Toolchain (without parser) took 1278.89 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 23.4 MB in the beginning and 41.5 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:27:55,885 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 46.1 MB. Free memory is still 25.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:27:55,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.15 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 35.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-12-02 19:27:55,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.58 ms. Allocated memory is still 58.7 MB. Free memory was 35.6 MB in the beginning and 34.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:27:55,894 INFO L168 Benchmark]: Boogie Preprocessor took 35.04 ms. Allocated memory is still 58.7 MB. Free memory was 34.3 MB in the beginning and 33.4 MB in the end (delta: 879.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:27:55,897 INFO L168 Benchmark]: RCFGBuilder took 331.69 ms. Allocated memory is still 58.7 MB. Free memory was 33.2 MB in the beginning and 37.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-02 19:27:55,899 INFO L168 Benchmark]: TraceAbstraction took 479.83 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 41.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-12-02 19:27:55,900 INFO L168 Benchmark]: Witness Printer took 18.96 ms. Allocated memory is still 58.7 MB. Free memory was 41.8 MB in the beginning and 41.5 MB in the end (delta: 294.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:27:55,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 46.1 MB. Free memory is still 25.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.15 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 35.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.58 ms. Allocated memory is still 58.7 MB. Free memory was 35.6 MB in the beginning and 34.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.04 ms. Allocated memory is still 58.7 MB. Free memory was 34.3 MB in the beginning and 33.4 MB in the end (delta: 879.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 331.69 ms. Allocated memory is still 58.7 MB. Free memory was 33.2 MB in the beginning and 37.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 479.83 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 41.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Witness Printer took 18.96 ms. Allocated memory is still 58.7 MB. Free memory was 41.8 MB in the beginning and 41.5 MB in the end (delta: 294.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 / 1.600000023841858; 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] [L27] reach_error() VAL [__return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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 0.2.0-2880296 [2020-12-02 19:27:58,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 19:27:58,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 19:27:58,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 19:27:58,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 19:27:58,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 19:27:58,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 19:27:58,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 19:27:58,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 19:27:58,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 19:27:58,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 19:27:58,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 19:27:58,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 19:27:58,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 19:27:58,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 19:27:58,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 19:27:58,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 19:27:58,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 19:27:58,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 19:27:58,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 19:27:58,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 19:27:58,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 19:27:58,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 19:27:58,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 19:27:58,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 19:27:58,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 19:27:58,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 19:27:58,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 19:27:58,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 19:27:58,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 19:27:58,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 19:27:58,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 19:27:58,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 19:27:58,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 19:27:58,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 19:27:58,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 19:27:58,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 19:27:58,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 19:27:58,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 19:27:58,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 19:27:58,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 19:27:58,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 19:27:58,692 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 19:27:58,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 19:27:58,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 19:27:58,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 19:27:58,698 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 19:27:58,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 19:27:58,699 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 19:27:58,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 19:27:58,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 19:27:58,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 19:27:58,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 19:27:58,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 19:27:58,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 19:27:58,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 19:27:58,703 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 19:27:58,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 19:27:58,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 19:27:58,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 19:27:58,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 19:27:58,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 19:27:58,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 19:27:58,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 19:27:58,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:27:58,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 19:27:58,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 19:27:58,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 19:27:58,708 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 19:27:58,708 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 19:27:58,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 19:27:58,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 19:27:58,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 19:27:58,710 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 [2020-12-02 19:27:59,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 19:27:59,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 19:27:59,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 19:27:59,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 19:27:59,204 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 19:27:59,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-12-02 19:27:59,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7948f7ff9/c701515a704f42669069d7b3ce1da5ce/FLAG0be10cde7 [2020-12-02 19:27:59,870 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 19:27:59,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-12-02 19:27:59,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7948f7ff9/c701515a704f42669069d7b3ce1da5ce/FLAG0be10cde7 [2020-12-02 19:27:59,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7948f7ff9/c701515a704f42669069d7b3ce1da5ce [2020-12-02 19:27:59,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 19:27:59,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 19:27:59,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 19:27:59,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 19:27:59,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 19:27:59,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:59" (1/1) ... [2020-12-02 19:27:59,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584b8a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:59, skipping insertion in model container [2020-12-02 19:27:59,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:59" (1/1) ... [2020-12-02 19:27:59,929 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 19:27:59,948 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 19:28:00,142 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2020-12-02 19:28:00,148 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:28:00,167 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 19:28:00,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2020-12-02 19:28:00,188 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:28:00,209 INFO L217 MainTranslator]: Completed translation [2020-12-02 19:28:00,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00 WrapperNode [2020-12-02 19:28:00,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 19:28:00,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 19:28:00,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 19:28:00,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 19:28:00,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 19:28:00,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 19:28:00,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 19:28:00,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 19:28:00,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... [2020-12-02 19:28:00,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 19:28:00,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 19:28:00,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 19:28:00,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 19:28:00,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:28:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 19:28:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 19:28:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 19:28:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 19:28:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 19:28:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 19:28:05,019 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 19:28:05,020 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 19:28:05,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:05 BoogieIcfgContainer [2020-12-02 19:28:05,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 19:28:05,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 19:28:05,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 19:28:05,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 19:28:05,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:27:59" (1/3) ... [2020-12-02 19:28:05,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687b84c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:28:05, skipping insertion in model container [2020-12-02 19:28:05,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:00" (2/3) ... [2020-12-02 19:28:05,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687b84c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:28:05, skipping insertion in model container [2020-12-02 19:28:05,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:05" (3/3) ... [2020-12-02 19:28:05,034 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div_bad.i.p+cfa-reducer.c [2020-12-02 19:28:05,054 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 19:28:05,058 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 19:28:05,074 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 19:28:05,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 19:28:05,111 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 19:28:05,111 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 19:28:05,111 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 19:28:05,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 19:28:05,112 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 19:28:05,112 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 19:28:05,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 19:28:05,135 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-02 19:28:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 19:28:05,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:28:05,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 19:28:05,143 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:28:05,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:28:05,152 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-12-02 19:28:05,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 19:28:05,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914022486] [2020-12-02 19:28:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 19:28:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 19:28:06,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 19:28:06,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 19:28:08,494 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_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|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) (= .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))) .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.cse2 (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 .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 11 53) roundNearestTiesToEven 1.0) .cse2))))) is different from false [2020-12-02 19:28:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 19:28:09,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 19:28:12,093 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.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|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_7))) (.cse2 (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 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse3)) (not (fp.eq .cse4 .cse2))))) is different from true [2020-12-02 19:28:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 19:28:12,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914022486] [2020-12-02 19:28:12,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 19:28:12,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-02 19:28:12,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006939896] [2020-12-02 19:28:12,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 19:28:12,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 19:28:12,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 19:28:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=10, Total=30 [2020-12-02 19:28:12,121 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2020-12-02 19:28:14,173 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.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|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_7))) (.cse2 (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 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse3)) (not (fp.eq .cse4 .cse2)))))) is different from true [2020-12-02 19:28:16,398 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_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|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) (= .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))) .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.cse2 (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 .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 11 53) roundNearestTiesToEven 1.0) .cse2))))) is different from false [2020-12-02 19:28:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:28:21,161 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-12-02 19:28:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 19:28:21,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-12-02 19:28:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:28:21,177 INFO L225 Difference]: With dead ends: 16 [2020-12-02 19:28:21,178 INFO L226 Difference]: Without dead ends: 7 [2020-12-02 19:28:21,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=13, Invalid=11, Unknown=4, NotChecked=28, Total=56 [2020-12-02 19:28:21,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-12-02 19:28:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-12-02 19:28:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-12-02 19:28:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-12-02 19:28:21,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-12-02 19:28:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:28:21,213 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-12-02 19:28:21,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 19:28:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-12-02 19:28:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-02 19:28:21,214 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:28:21,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-02 19:28:21,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 19:28:21,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:28:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:28:21,429 INFO L82 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2020-12-02 19:28:21,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 19:28:21,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566974699] [2020-12-02 19:28:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 19:28:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 19:28:23,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 19:28:23,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 19:28:25,580 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from false [2020-12-02 19:28:28,071 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .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))) .cse1)) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) (= ((_ 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)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_8 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_8))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse4)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse3) (= .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5))))) is different from false [2020-12-02 19:28:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-12-02 19:28:28,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 19:28:30,220 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) is different from false [2020-12-02 19:28:32,446 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) is different from true [2020-12-02 19:28:34,977 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse7 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse5 (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))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_10)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3))) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6))) (not (= .cse7 .cse6)) (not (= .cse7 .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse1) .cse8)) (not (fp.eq .cse8 .cse2))))) is different from true [2020-12-02 19:28:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-12-02 19:28:34,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566974699] [2020-12-02 19:28:34,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-02 19:28:34,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-12-02 19:28:34,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035225967] [2020-12-02 19:28:34,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 19:28:34,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 19:28:34,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 19:28:34,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=10, Unknown=5, NotChecked=28, Total=56 [2020-12-02 19:28:34,983 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 8 states. [2020-12-02 19:28:37,228 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse7 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse5 (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))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_10)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3))) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6))) (not (= .cse7 .cse6)) (not (= .cse7 .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse1) .cse8)) (not (fp.eq .cse8 .cse2))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-12-02 19:28:40,236 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2) (= ((_ 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)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.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|))) (.cse7 (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) 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 (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6))) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7)) (not (fp.eq .cse7 .cse5)))))) is different from false [2020-12-02 19:28:42,689 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2) (= ((_ 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)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.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|))) (.cse7 (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) 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 (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6))) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7)) (not (fp.eq .cse7 .cse5)))))) is different from true [2020-12-02 19:28:45,207 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .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))) .cse1)) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) (= ((_ 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)))))) (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~nondet10_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_8 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_8))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse4)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse3) (= .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5))))) is different from false [2020-12-02 19:28:49,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:28:49,967 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-12-02 19:28:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 19:28:49,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 6 [2020-12-02 19:28:49,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:28:49,968 INFO L225 Difference]: With dead ends: 11 [2020-12-02 19:28:49,969 INFO L226 Difference]: Without dead ends: 8 [2020-12-02 19:28:49,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=19, Invalid=12, Unknown=9, NotChecked=70, Total=110 [2020-12-02 19:28:49,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-12-02 19:28:49,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-12-02 19:28:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-12-02 19:28:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-02 19:28:49,975 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-12-02 19:28:49,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:28:49,975 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-12-02 19:28:49,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 19:28:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-02 19:28:49,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-02 19:28:49,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:28:49,977 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-12-02 19:28:50,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 19:28:50,186 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:28:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:28:50,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1805796550, now seen corresponding path program 2 times [2020-12-02 19:28:50,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 19:28:50,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321822458] [2020-12-02 19:28:50,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 19:28:52,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-02 19:28:52,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-02 19:28:53,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-02 19:28:53,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 19:28:55,480 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (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|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-12-02 19:28:58,048 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.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|))) (.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))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.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|))) (.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|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse3 .cse4) (= .cse3 .cse5) (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse4) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse6) (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 [2020-12-02 19:29:01,277 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse0)))) (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_12))) (.cse7 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse6 (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|)))) (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))) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4)) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse3) (= .cse7 .cse8) (= .cse7 .cse4) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse9) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse8) .cse6))))) is different from false [2020-12-02 19:29:01,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 19:29:01,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-02 19:29:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-12-02 19:29:01,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 19:29:01,799 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 19:29:04,072 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.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|))) (.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 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse0)) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))))))) is different from true [2020-12-02 19:29:06,610 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse4 (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|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse1))) (not (= .cse2 .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5)) (fp.eq .cse6 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse5 .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse6)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3))) (not (= .cse2 .cse1))))) is different from true [2020-12-02 19:29:09,888 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse4 (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|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse9 (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_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_15))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.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))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= .cse2 .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7) .cse1)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (= .cse2 .cse7)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse3))) (not (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse6)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse11))) (not (fp.eq .cse5 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8)) (not (= .cse2 .cse11))))) is different from true [2020-12-02 19:29:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-12-02 19:29:09,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321822458] [2020-12-02 19:29:09,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-02 19:29:09,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-12-02 19:29:09,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847360597] [2020-12-02 19:29:09,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 19:29:09,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 19:29:09,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 19:29:09,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=19, Unknown=6, NotChecked=66, Total=110 [2020-12-02 19:29:09,900 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 11 states. [2020-12-02 19:29:12,017 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse4 (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|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse9 (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_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_15))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.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))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= .cse2 .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7) .cse1)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (= .cse2 .cse7)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse3))) (not (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse6)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse11))) (not (fp.eq .cse5 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8)) (not (= .cse2 .cse11)))))) is different from true [2020-12-02 19:29:14,309 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (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|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse8 (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|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|)))) (or (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse5))) (not (= .cse6 .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse9)) (fp.eq .cse10 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse9 .cse10)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse10)) (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse7))) (not (= .cse6 .cse5)))))) is different from false [2020-12-02 19:29:16,350 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (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|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse8 (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|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|)))) (or (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse5))) (not (= .cse6 .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse9)) (fp.eq .cse10 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse9 .cse10)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse10)) (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse7))) (not (= .cse6 .cse5)))))) is different from true [2020-12-02 19:29:18,857 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.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|))) (.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))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.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|))) (.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|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse3 .cse4) (= .cse3 .cse5) (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse4) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse6) (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 (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse9 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse8 .cse9)) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse10)) (not (= ((_ to_fp 8 24) c_~CRM .cse11) .cse8)) (not (= .cse11 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse10)))))))) is different from false [2020-12-02 19:29:21,870 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.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|))) (.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))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.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|))) (.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|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse3 .cse4) (= .cse3 .cse5) (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse4) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse6) (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 (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse9 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse8 .cse9)) (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse10)) (not (= ((_ to_fp 8 24) c_~CRM .cse11) .cse8)) (not (= .cse11 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse10)))))))) is different from true [2020-12-02 19:29:25,065 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse0)))) (= roundNearestTiesToEven c_~CRM) (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (or (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) .cse2)) (fp.eq .cse2 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.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))) (.cse8 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse10 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse7 (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|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse4) (= .cse8 .cse9) (= .cse8 .cse5) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse10) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse9) .cse7))))) is different from false [2020-12-02 19:29:29,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:29:29,948 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-12-02 19:29:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 19:29:29,949 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2020-12-02 19:29:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:29:29,949 INFO L225 Difference]: With dead ends: 12 [2020-12-02 19:29:29,949 INFO L226 Difference]: Without dead ends: 9 [2020-12-02 19:29:29,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.7s TimeCoverageRelationStatistics Valid=27, Invalid=21, Unknown=12, NotChecked=150, Total=210 [2020-12-02 19:29:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-12-02 19:29:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-12-02 19:29:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-12-02 19:29:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-12-02 19:29:29,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-12-02 19:29:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:29:29,960 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-12-02 19:29:29,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 19:29:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-12-02 19:29:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-02 19:29:29,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:29:29,961 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2020-12-02 19:29:30,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 19:29:30,172 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:29:30,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:29:30,174 INFO L82 PathProgramCache]: Analyzing trace with hash 145055718, now seen corresponding path program 3 times [2020-12-02 19:29:30,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 19:29:30,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581537497] [2020-12-02 19:29:30,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 19:29:33,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-02 19:29:33,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-02 19:29:34,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-02 19:29:34,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 19:29:36,491 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse1 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse2) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse1) .cse3)))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-12-02 19:29:39,088 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4)) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse6 .cse4) (= .cse6 .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse7) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse3))))) is different from false [2020-12-02 19:29:42,421 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet12_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_15|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_17))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse8 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 .cse3) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse2 .cse5) (= .cse2 .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse3) .cse9) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse7) .cse10) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse9) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8))))) is different from false [2020-12-02 19:29:46,980 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet12_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.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|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_16|)))) (and (= .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))) .cse1)) (= (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM .cse0)) (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse1)))) (exists ((|v_ULTIMATE.start_main_#t~nondet12_15| (_ 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~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_18 (_ BitVec 32))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_15|))) (.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|))) (.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|))) (.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))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse7 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse2 (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))) (.cse12 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse11 (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 (= .cse2 ((_ to_fp 8 24) c_~CRM .cse3)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5) .cse6) (= .cse7 .cse5) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse9)) (= ((_ to_fp 8 24) c_~CRM .cse6) (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 .cse10) .cse4) (= .cse11 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse7 .cse9) (= .cse7 .cse12) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse12) .cse10) (= ((_ to_fp 8 24) c_~CRM .cse11) .cse8))))) is different from false [2020-12-02 19:29:47,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 19:29:47,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-02 19:29:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-12-02 19:29:47,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 19:29:47,689 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 19:29:49,967 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_16| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse1 (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))) (.cse3 (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|))) (.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_16|)))) (or (not (= ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)) .cse0)) (not (fp.eq .cse1 .cse2)) (not (= .cse1 ((_ to_fp 8 24) c_~CRM .cse3))) (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse0))))))) is different from true [2020-12-02 19:29:52,487 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_15| (_ BitVec 64)) (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 ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_15|))) (.cse4 (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|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_16|))) (.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))) (.cse6 (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 (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 (= .cse0 .cse1)) (not (fp.eq .cse2 .cse3)) (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))) .cse1) .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse3)) (not (= .cse0 .cse5)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse5))) (not (= .cse2 ((_ to_fp 8 24) c_~CRM .cse6))) (fp.eq .cse3 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-12-02 19:29:55,550 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_15| (_ BitVec 64)) (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~nondet12_14| (_ 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 ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_15|))) (.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|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_16|))) (.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|))) (.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|))) (.cse2 (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 (= .cse0 .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse1) .cse3)) (not (fp.eq .cse4 .cse5)) (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))) .cse6) .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (= .cse0 .cse8)) (not (= .cse0 .cse6)) (not (= .cse9 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse8))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse9))) (not (= ((_ to_fp 8 24) c_~CRM .cse7) .cse2)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-12-02 19:29:58,093 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 19:29:58,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581537497] [2020-12-02 19:29:58,096 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") [2020-12-02 19:29:58,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [749194211] [2020-12-02 19:29:58,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-12-02 19:29:58,120 WARN L195 Executor]: External (cvc4 --incremental --print-success --lang smt --rewrite-divk) stderr output: (error "Error in option parsing: can't understand option `--rewrite-divk'") Please use --help to get help on command-line options. [2020-12-02 19:29:58,121 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (cvc4 --incremental --print-success --lang smt --rewrite-divk)Received EOF on stdin. stderr output: (error "Error in option parsing: can't understand option `--rewrite-divk'") Please use --help to get help on command-line options. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.createProcess(Executor.java:108) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.(Executor.java:83) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.(Scriptor.java:72) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildScript(SolverBuilder.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildAndInitializeSolver(SolverBuilder.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 34 more [2020-12-02 19:29:58,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151911597] [2020-12-02 19:29:58,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-02 19:32:45,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-02 19:32:45,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-02 19:32:46,267 WARN L261 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-02 19:32:46,268 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@7df90a4c [2020-12-02 19:32:46,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-02 19:32:46,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-02 19:32:46,269 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-12-02 19:32:46,269 INFO L523 BasicCegarLoop]: Counterexample might be feasible [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2020-12-02 19:32:46,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-02 19:32:46,701 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-02 19:32:46,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:32:46 BoogieIcfgContainer [2020-12-02 19:32:46,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 19:32:46,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 19:32:46,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 19:32:46,707 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 19:32:46,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:05" (3/4) ... [2020-12-02 19:32:46,713 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 19:32:46,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 19:32:46,716 INFO L168 Benchmark]: Toolchain (without parser) took 286812.40 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 19.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-12-02 19:32:46,718 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:32:46,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.91 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 27.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-12-02 19:32:46,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.86 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 26.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:32:46,743 INFO L168 Benchmark]: Boogie Preprocessor took 39.17 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 24.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:32:46,744 INFO L168 Benchmark]: RCFGBuilder took 4719.55 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 35.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-12-02 19:32:46,745 INFO L168 Benchmark]: TraceAbstraction took 281682.49 ms. Allocated memory is still 62.9 MB. Free memory was 35.5 MB in the beginning and 19.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-02 19:32:46,746 INFO L168 Benchmark]: Witness Printer took 6.92 ms. Allocated memory is still 62.9 MB. Free memory was 19.6 MB in the beginning and 19.5 MB in the end (delta: 86.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:32:46,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.91 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 27.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.86 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 26.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.17 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 24.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4719.55 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 35.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 281682.49 ms. Allocated memory is still 62.9 MB. Free memory was 35.5 MB in the beginning and 19.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.92 ms. Allocated memory is still 62.9 MB. Free memory was 19.6 MB in the beginning and 19.5 MB in the end (delta: 86.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 1.600000023841858 [L10] EXPR main__x / 1.600000023841858 [L10] float main__x1 = main__x / 1.600000023841858; [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 1.600000023841858 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 1.600000023841858 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 1.600000023841858 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [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 [L27] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 281.5s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 44.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 21 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 34.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 12 QuantifiedInterpolants, 8861 SizeOfPredicates, 13 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...