./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbb939d5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i -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 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 ........................................................................................................................................................................................................................................................................... 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-cdfpl/sine_7.i -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 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-cbb939d [2020-11-23 15:00:02,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 15:00:02,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 15:00:02,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 15:00:02,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 15:00:02,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 15:00:02,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 15:00:02,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 15:00:02,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 15:00:02,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 15:00:02,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 15:00:02,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 15:00:02,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 15:00:02,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 15:00:02,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 15:00:02,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 15:00:02,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 15:00:02,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 15:00:02,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 15:00:02,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 15:00:02,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 15:00:02,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 15:00:02,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 15:00:02,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 15:00:02,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 15:00:02,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 15:00:02,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 15:00:02,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 15:00:02,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 15:00:02,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 15:00:02,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 15:00:02,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 15:00:02,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 15:00:02,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 15:00:02,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 15:00:02,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 15:00:02,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 15:00:02,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 15:00:02,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 15:00:02,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 15:00:02,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 15:00:02,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 15:00:02,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 15:00:02,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 15:00:02,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 15:00:02,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 15:00:02,577 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 15:00:02,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 15:00:02,578 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 15:00:02,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 15:00:02,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 15:00:02,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 15:00:02,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 15:00:02,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 15:00:02,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 15:00:02,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 15:00:02,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 15:00:02,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 15:00:02,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 15:00:02,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 15:00:02,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 15:00:02,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 15:00:02,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 15:00:02,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 15:00:02,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 15:00:02,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 15:00:02,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 15:00:02,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 15:00:02,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 15:00:02,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 15:00:02,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 15:00:02,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 [2020-11-23 15:00:02,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 15:00:03,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 15:00:03,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 15:00:03,025 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 15:00:03,027 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 15:00:03,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i [2020-11-23 15:00:03,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db219df17/ebb6165e48e9491c89e97896ada136f9/FLAG5a03af33a [2020-11-23 15:00:03,772 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 15:00:03,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_7.i [2020-11-23 15:00:03,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db219df17/ebb6165e48e9491c89e97896ada136f9/FLAG5a03af33a [2020-11-23 15:00:04,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db219df17/ebb6165e48e9491c89e97896ada136f9 [2020-11-23 15:00:04,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 15:00:04,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 15:00:04,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 15:00:04,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 15:00:04,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 15:00:04,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a446ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04, skipping insertion in model container [2020-11-23 15:00:04,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 15:00:04,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 15:00:04,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 15:00:04,382 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 15:00:04,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 15:00:04,426 INFO L208 MainTranslator]: Completed translation [2020-11-23 15:00:04,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04 WrapperNode [2020-11-23 15:00:04,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 15:00:04,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 15:00:04,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 15:00:04,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 15:00:04,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 15:00:04,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 15:00:04,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 15:00:04,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 15:00:04,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... [2020-11-23 15:00:04,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 15:00:04,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 15:00:04,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 15:00:04,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 15:00:04,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 15:00:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 15:00:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 15:00:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 15:00:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 15:00:04,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 15:00:04,939 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-23 15:00:04,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:04 BoogieIcfgContainer [2020-11-23 15:00:04,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 15:00:04,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 15:00:04,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 15:00:04,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 15:00:04,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:00:04" (1/3) ... [2020-11-23 15:00:04,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b92b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:04, skipping insertion in model container [2020-11-23 15:00:04,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:04" (2/3) ... [2020-11-23 15:00:04,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b92b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:04, skipping insertion in model container [2020-11-23 15:00:04,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:04" (3/3) ... [2020-11-23 15:00:04,953 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.i [2020-11-23 15:00:04,973 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 15:00:04,977 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 15:00:04,993 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 15:00:05,026 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 15:00:05,027 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 15:00:05,027 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 15:00:05,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 15:00:05,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 15:00:05,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 15:00:05,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 15:00:05,028 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 15:00:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-11-23 15:00:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-23 15:00:05,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 15:00:05,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-23 15:00:05,051 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 15:00:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 15:00:05,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966438, now seen corresponding path program 1 times [2020-11-23 15:00:05,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 15:00:05,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823147464] [2020-11-23 15:00:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 15:00:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 15:00:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 15:00:05,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823147464] [2020-11-23 15:00:05,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-23 15:00:05,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-23 15:00:05,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868948667] [2020-11-23 15:00:05,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-23 15:00:05,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-23 15:00:05,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-23 15:00:05,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 15:00:05,287 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2020-11-23 15:00:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 15:00:05,307 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2020-11-23 15:00:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-23 15:00:05,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-23 15:00:05,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 15:00:05,320 INFO L225 Difference]: With dead ends: 21 [2020-11-23 15:00:05,320 INFO L226 Difference]: Without dead ends: 8 [2020-11-23 15:00:05,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 15:00:05,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-23 15:00:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-23 15:00:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-23 15:00:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2020-11-23 15:00:05,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2020-11-23 15:00:05,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 15:00:05,365 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2020-11-23 15:00:05,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-23 15:00:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-11-23 15:00:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-23 15:00:05,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 15:00:05,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-23 15:00:05,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 15:00:05,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 15:00:05,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 15:00:05,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1806813480, now seen corresponding path program 1 times [2020-11-23 15:00:05,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 15:00:05,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827769066] [2020-11-23 15:00:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 15:00:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 15:00:05,392 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 15:00:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 15:00:05,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 15:00:05,445 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 15:00:05,445 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 15:00:05,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-23 15:00:05,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:00:05 BoogieIcfgContainer [2020-11-23 15:00:05,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 15:00:05,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 15:00:05,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 15:00:05,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 15:00:05,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:04" (3/4) ... [2020-11-23 15:00:05,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 15:00:05,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 15:00:05,484 INFO L168 Benchmark]: Toolchain (without parser) took 1333.49 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.7 MB in the beginning and 28.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-11-23 15:00:05,485 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 17.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 15:00:05,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.36 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.1 MB in the beginning and 30.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-23 15:00:05,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.75 ms. Allocated memory is still 46.1 MB. Free memory was 30.8 MB in the beginning and 29.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 15:00:05,489 INFO L168 Benchmark]: Boogie Preprocessor took 25.67 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 28.4 MB in the end (delta: 974.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 15:00:05,490 INFO L168 Benchmark]: RCFGBuilder took 442.96 ms. Allocated memory is still 46.1 MB. Free memory was 28.4 MB in the beginning and 27.9 MB in the end (delta: 481.1 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-11-23 15:00:05,490 INFO L168 Benchmark]: TraceAbstraction took 530.25 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 28.6 MB in the end (delta: -995.3 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-23 15:00:05,491 INFO L168 Benchmark]: Witness Printer took 6.52 ms. Allocated memory is still 46.1 MB. Free memory was 28.4 MB in the beginning and 28.2 MB in the end (delta: 203.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 15:00:05,496 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 37.7 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 17.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.36 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.1 MB in the beginning and 30.8 MB in the end (delta: -8.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.75 ms. Allocated memory is still 46.1 MB. Free memory was 30.8 MB in the beginning and 29.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.67 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 28.4 MB in the end (delta: 974.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 442.96 ms. Allocated memory is still 46.1 MB. Free memory was 28.4 MB in the beginning and 27.9 MB in the end (delta: 481.1 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 530.25 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 28.6 MB in the end (delta: -995.3 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.52 ms. Allocated memory is still 46.1 MB. Free memory was 28.4 MB in the beginning and 28.2 MB in the end (delta: 203.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 25. Possible FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 1.5f && result >= -1.5f) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sine_7.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-cbb939d [2020-11-23 15:00:08,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 15:00:08,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 15:00:08,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 15:00:08,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 15:00:08,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 15:00:08,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 15:00:08,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 15:00:08,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 15:00:08,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 15:00:08,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 15:00:08,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 15:00:08,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 15:00:08,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 15:00:08,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 15:00:08,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 15:00:08,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 15:00:08,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 15:00:08,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 15:00:08,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 15:00:08,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 15:00:08,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 15:00:08,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 15:00:08,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 15:00:08,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 15:00:08,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 15:00:08,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 15:00:08,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 15:00:08,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 15:00:08,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 15:00:08,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 15:00:08,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 15:00:08,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 15:00:08,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 15:00:08,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 15:00:08,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 15:00:08,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 15:00:08,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 15:00:08,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 15:00:08,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 15:00:08,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 15:00:08,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 15:00:08,322 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 15:00:08,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 15:00:08,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 15:00:08,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 15:00:08,327 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 15:00:08,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 15:00:08,328 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 15:00:08,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 15:00:08,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 15:00:08,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 15:00:08,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 15:00:08,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 15:00:08,331 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 15:00:08,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 15:00:08,331 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 15:00:08,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 15:00:08,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 15:00:08,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 15:00:08,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 15:00:08,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 15:00:08,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 15:00:08,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 15:00:08,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 15:00:08,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 15:00:08,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 15:00:08,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 15:00:08,335 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 15:00:08,335 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 15:00:08,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 15:00:08,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 15:00:08,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 15:00:08,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 [2020-11-23 15:00:08,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 15:00:08,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 15:00:08,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 15:00:08,809 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 15:00:08,810 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 15:00:08,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i [2020-11-23 15:00:08,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4decdb3/8fb2f38413364fe58961081c88a2964e/FLAG124b0060b [2020-11-23 15:00:09,551 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 15:00:09,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_7.i [2020-11-23 15:00:09,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4decdb3/8fb2f38413364fe58961081c88a2964e/FLAG124b0060b [2020-11-23 15:00:09,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4decdb3/8fb2f38413364fe58961081c88a2964e [2020-11-23 15:00:09,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 15:00:09,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 15:00:09,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 15:00:09,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 15:00:09,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 15:00:09,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:09" (1/1) ... [2020-11-23 15:00:09,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a84b6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:09, skipping insertion in model container [2020-11-23 15:00:09,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:09" (1/1) ... [2020-11-23 15:00:09,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 15:00:09,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 15:00:10,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 15:00:10,192 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 15:00:10,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 15:00:10,232 INFO L208 MainTranslator]: Completed translation [2020-11-23 15:00:10,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10 WrapperNode [2020-11-23 15:00:10,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 15:00:10,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 15:00:10,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 15:00:10,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 15:00:10,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 15:00:10,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 15:00:10,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 15:00:10,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 15:00:10,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... [2020-11-23 15:00:10,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 15:00:10,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 15:00:10,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 15:00:10,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 15:00:10,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 15:00:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-23 15:00:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 15:00:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 15:00:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 15:00:13,740 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 15:00:13,740 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-23 15:00:13,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:13 BoogieIcfgContainer [2020-11-23 15:00:13,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 15:00:13,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 15:00:13,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 15:00:13,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 15:00:13,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:00:09" (1/3) ... [2020-11-23 15:00:13,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391cab92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:13, skipping insertion in model container [2020-11-23 15:00:13,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:10" (2/3) ... [2020-11-23 15:00:13,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391cab92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:13, skipping insertion in model container [2020-11-23 15:00:13,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:13" (3/3) ... [2020-11-23 15:00:13,756 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.i [2020-11-23 15:00:13,775 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 15:00:13,779 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 15:00:13,793 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 15:00:13,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 15:00:13,819 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 15:00:13,819 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 15:00:13,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 15:00:13,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 15:00:13,820 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 15:00:13,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 15:00:13,820 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 15:00:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-11-23 15:00:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-23 15:00:13,840 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 15:00:13,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-23 15:00:13,841 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 15:00:13,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 15:00:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966438, now seen corresponding path program 1 times [2020-11-23 15:00:13,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 15:00:13,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113099597] [2020-11-23 15:00:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-23 15:00:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 15:00:14,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-23 15:00:14,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 15:00:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 15:00:14,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 15:00:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 15:00:14,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113099597] [2020-11-23 15:00:14,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 15:00:14,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-23 15:00:14,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467956440] [2020-11-23 15:00:14,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-23 15:00:14,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 15:00:14,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-23 15:00:14,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 15:00:14,586 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2020-11-23 15:00:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 15:00:14,603 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2020-11-23 15:00:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-23 15:00:14,605 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-23 15:00:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 15:00:14,614 INFO L225 Difference]: With dead ends: 21 [2020-11-23 15:00:14,615 INFO L226 Difference]: Without dead ends: 8 [2020-11-23 15:00:14,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 15:00:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-23 15:00:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-23 15:00:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-23 15:00:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2020-11-23 15:00:14,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2020-11-23 15:00:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 15:00:14,655 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2020-11-23 15:00:14,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-23 15:00:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-11-23 15:00:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-23 15:00:14,655 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 15:00:14,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-23 15:00:14,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-23 15:00:14,871 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 15:00:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 15:00:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1806813480, now seen corresponding path program 1 times [2020-11-23 15:00:14,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 15:00:14,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766994497] [2020-11-23 15:00:14,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-23 15:09:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 15:09:31,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-23 15:09:31,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 15:09:31,511 INFO L387 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-23 15:09:31,511 INFO L615 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-23 15:09:34,195 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse0)) (fp.lt ULTIMATE.start_main_~IN~0 .cse0) (= (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) c_ULTIMATE.start_main_~result~0))))) is different from false [2020-11-23 15:09:36,769 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse0)) (fp.lt ULTIMATE.start_main_~IN~0 .cse0) (= (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) c_ULTIMATE.start_main_~result~0))))) is different from true [2020-11-23 15:09:39,397 INFO L615 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-23 15:09:53,160 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.geq (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))))) (fp.lt ULTIMATE.start_main_~IN~0 .cse2) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2))))) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.leq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (fp.lt ULTIMATE.start_main_~IN~0 .cse5) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse5)))))) is different from false [2020-11-23 15:09:55,767 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.geq (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))))) (fp.lt ULTIMATE.start_main_~IN~0 .cse2) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2))))) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.leq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (fp.lt ULTIMATE.start_main_~IN~0 .cse5) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse5)))))) is different from true [2020-11-23 15:10:09,571 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (fp.lt v_prenex_1 .cse0) (not (fp.leq (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven v_prenex_1 v_prenex_1) v_prenex_1))) (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 v_prenex_1) v_prenex_1))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven v_prenex_1 (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 v_prenex_1) v_prenex_1) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (fp.gt v_prenex_1 (fp.neg .cse0))))) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.geq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))))) (fp.lt ULTIMATE.start_main_~IN~0 .cse5) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse5)))))) is different from false [2020-11-23 15:10:12,175 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (fp.lt v_prenex_1 .cse0) (not (fp.leq (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven v_prenex_1 v_prenex_1) v_prenex_1))) (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 v_prenex_1) v_prenex_1))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven v_prenex_1 (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 v_prenex_1) v_prenex_1) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (fp.gt v_prenex_1 (fp.neg .cse0))))) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.geq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))))) (fp.lt ULTIMATE.start_main_~IN~0 .cse5) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse5)))))) is different from true [2020-11-23 15:10:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 15:10:12,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 15:10:15,386 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from false [2020-11-23 15:10:18,590 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from true [2020-11-23 15:10:21,783 WARN L838 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1)))) is different from false [2020-11-23 15:10:24,982 WARN L860 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1)))) is different from true [2020-11-23 15:10:25,005 INFO L387 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 1] term [2020-11-23 15:10:25,007 INFO L615 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-23 15:10:25,014 INFO L615 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-23 15:10:27,620 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (fp.geq (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse2))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse2))))) (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse3))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse3)) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))))))) is different from false [2020-11-23 15:10:32,355 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (fp.geq (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse2))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse2))))) (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse3))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse3)) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))))))) is different from true [2020-11-23 15:10:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 15:10:32,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766994497] [2020-11-23 15:10:32,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 15:10:32,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 11 [2020-11-23 15:10:32,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021832528] [2020-11-23 15:10:32,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-23 15:10:32,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 15:10:32,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-23 15:10:32,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=19, Unknown=12, NotChecked=78, Total=132 [2020-11-23 15:10:32,362 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand 12 states. [2020-11-23 15:10:34,984 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (fp.geq (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse2))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse2))))) (= c_currentRoundingMode roundNearestTiesToEven) (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse3))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse3)) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))))))) is different from false [2020-11-23 15:10:39,604 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (fp.geq (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse2))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse2))))) (= c_currentRoundingMode roundNearestTiesToEven) (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse3))) (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse3)) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))))))) is different from true [2020-11-23 15:10:42,258 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond))) (and (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse3))) (.cse1 (fp.lt c_ULTIMATE.start_main_~IN~0 .cse3))) (or (and .cse0 (= (_ bv1 32) c_ULTIMATE.start_assume_abort_if_not_~cond) .cse1) (and .cse2 (or (not .cse0) (not .cse1)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse2 (let ((.cse4 (let ((.cse6 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse7 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse4 (fp.neg .cse5)) (fp.leq .cse4 .cse5)))))) is different from false [2020-11-23 15:10:45,447 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond))) (and (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse3))) (.cse1 (fp.lt c_ULTIMATE.start_main_~IN~0 .cse3))) (or (and .cse0 (= (_ bv1 32) c_ULTIMATE.start_assume_abort_if_not_~cond) .cse1) (and .cse2 (or (not .cse0) (not .cse1)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse2 (let ((.cse4 (let ((.cse6 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse7 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse4 (fp.neg .cse5)) (fp.leq .cse4 .cse5)))))) is different from true [2020-11-23 15:10:48,640 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq .cse0 .cse1) (fp.lt c_ULTIMATE.start_main_~IN~0 .cse2))) is different from false [2020-11-23 15:10:51,820 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq .cse0 .cse1) (fp.lt c_ULTIMATE.start_main_~IN~0 .cse2))) is different from true [2020-11-23 15:10:54,473 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~result~0 .cse0) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse1)) (fp.lt ULTIMATE.start_main_~IN~0 .cse1) (= (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) c_ULTIMATE.start_main_~result~0)))) (fp.geq c_ULTIMATE.start_main_~result~0 (fp.neg .cse0)))) is different from false [2020-11-23 15:10:54,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 15:10:54,483 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-11-23 15:10:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-23 15:10:54,483 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2020-11-23 15:10:54,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 15:10:54,484 INFO L225 Difference]: With dead ends: 8 [2020-11-23 15:10:54,484 INFO L226 Difference]: Without dead ends: 0 [2020-11-23 15:10:54,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 59.2s TimeCoverageRelationStatistics Valid=31, Invalid=20, Unknown=19, NotChecked=170, Total=240 [2020-11-23 15:10:54,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-23 15:10:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-23 15:10:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-23 15:10:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-23 15:10:54,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2020-11-23 15:10:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 15:10:54,490 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-23 15:10:54,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-23 15:10:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-23 15:10:54,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-23 15:10:54,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-23 15:10:54,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-23 15:10:54,737 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-23 15:10:54,737 INFO L262 CegarLoopResult]: For program point L27(lines 27 28) no Hoare annotation was computed. [2020-11-23 15:10:54,737 INFO L262 CegarLoopResult]: For program point L27-1(lines 27 28) no Hoare annotation was computed. [2020-11-23 15:10:54,737 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-11-23 15:10:54,737 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-23 15:10:54,738 INFO L265 CegarLoopResult]: At program point L30(lines 18 31) the Hoare annotation is: true [2020-11-23 15:10:54,738 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-23 15:10:54,738 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-23 15:10:54,738 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-23 15:10:54,738 INFO L262 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-11-23 15:10:54,738 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-23 15:10:54,738 INFO L262 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-23 15:10:54,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:10:54 BoogieIcfgContainer [2020-11-23 15:10:54,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 15:10:54,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 15:10:54,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 15:10:54,747 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 15:10:54,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:13" (3/4) ... [2020-11-23 15:10:54,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-23 15:10:54,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-23 15:10:54,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-23 15:10:54,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-23 15:10:54,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-23 15:10:54,806 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-23 15:10:54,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 15:10:54,810 INFO L168 Benchmark]: Toolchain (without parser) took 644879.23 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 22.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,811 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 20.4 MB in the beginning and 20.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 15:10:54,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.57 ms. Allocated memory is still 50.3 MB. Free memory was 27.8 MB in the beginning and 30.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.9 MB in the beginning and 29.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,814 INFO L168 Benchmark]: Boogie Preprocessor took 31.07 ms. Allocated memory is still 50.3 MB. Free memory was 29.4 MB in the beginning and 28.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,815 INFO L168 Benchmark]: RCFGBuilder took 3432.21 ms. Allocated memory is still 50.3 MB. Free memory was 28.3 MB in the beginning and 30.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,816 INFO L168 Benchmark]: TraceAbstraction took 641001.10 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 30.4 MB in the beginning and 25.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,817 INFO L168 Benchmark]: Witness Printer took 60.75 ms. Allocated memory is still 60.8 MB. Free memory was 25.1 MB in the beginning and 22.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 15:10:54,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 20.4 MB in the beginning and 20.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.57 ms. Allocated memory is still 50.3 MB. Free memory was 27.8 MB in the beginning and 30.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.9 MB in the beginning and 29.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.07 ms. Allocated memory is still 50.3 MB. Free memory was 29.4 MB in the beginning and 28.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3432.21 ms. Allocated memory is still 50.3 MB. Free memory was 28.3 MB in the beginning and 30.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 641001.10 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 30.4 MB in the beginning and 25.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Witness Printer took 60.75 ms. Allocated memory is still 60.8 MB. Free memory was 25.1 MB in the beginning and 22.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 640.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 59.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 556.6s SatisfiabilityAnalysisTime, 61.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 4 QuantifiedInterpolants, 5472 SizeOfPredicates, 6 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...