./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da48de392bfeb98cf442ccd07f59108302b2d35 ............................................................................................................................................................................................................................................................................................................................... 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da48de392bfeb98cf442ccd07f59108302b2d35 ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:28:48,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:28:48,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:28:48,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:28:48,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:28:48,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:28:48,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:28:48,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:28:48,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:28:48,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:28:48,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:28:48,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:28:48,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:28:48,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:28:48,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:28:48,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:28:48,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:28:48,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:28:48,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:28:48,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:28:48,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:28:48,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:28:48,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:28:48,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:28:48,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:28:48,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:28:48,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:28:48,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:28:48,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:28:48,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:28:48,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:48,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:48,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:48,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:48,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:48,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:48,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:48,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:48,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:48,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:48,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:48,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:28:48,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:48,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:48,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:48,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:48,668 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:48,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:48,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:48,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:28:48,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:48,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:48,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:48,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:48,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:48,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:48,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:48,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:48,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:48,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:48,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:48,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:48,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:48,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:48,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:48,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:48,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:48,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:28:48,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:28:48,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:48,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:48,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-10-20 00:28:48,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:48,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:48,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:48,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:48,935 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:48,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-20 00:28:49,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801e140d9/d487f4117c1f41ae9dceac1af2eb7fc8/FLAGfb6adf6b5 [2020-10-20 00:28:49,524 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:49,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-20 00:28:49,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801e140d9/d487f4117c1f41ae9dceac1af2eb7fc8/FLAGfb6adf6b5 [2020-10-20 00:28:49,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801e140d9/d487f4117c1f41ae9dceac1af2eb7fc8 [2020-10-20 00:28:49,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:49,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:49,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:49,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:49,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:49,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:49,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52091c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:49, skipping insertion in model container [2020-10-20 00:28:49,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:49" (1/1) ... [2020-10-20 00:28:49,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:49,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:50,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:50,327 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:50,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:50,408 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:50,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50 WrapperNode [2020-10-20 00:28:50,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:50,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:50,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:50,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:50,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:50,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:50,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:50,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:50,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (1/1) ... [2020-10-20 00:28:50,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:50,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:50,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:50,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:50,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (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 [2020-10-20 00:28:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:28:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:28:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:28:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:28:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:28:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:28:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:28:51,517 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:28:51,518 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:28:51,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:51 BoogieIcfgContainer [2020-10-20 00:28:51,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:28:51,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:28:51,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:28:51,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:28:51,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:49" (1/3) ... [2020-10-20 00:28:51,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd03c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:51, skipping insertion in model container [2020-10-20 00:28:51,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:50" (2/3) ... [2020-10-20 00:28:51,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd03c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:28:51, skipping insertion in model container [2020-10-20 00:28:51,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:51" (3/3) ... [2020-10-20 00:28:51,528 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-10-20 00:28:51,541 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:28:51,549 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:28:51,563 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:28:51,593 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:28:51,593 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:28:51,593 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:28:51,593 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:28:51,594 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:28:51,594 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:28:51,594 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:28:51,594 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:28:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:28:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:28:51,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:51,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:51,623 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:51,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:51,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:28:51,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:51,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984795139] [2020-10-20 00:28:51,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:28:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:28:51,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984795139] [2020-10-20 00:28:51,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:28:51,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:28:51,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884087723] [2020-10-20 00:28:51,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:28:51,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:28:51,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:28:51,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:28:51,873 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:28:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:28:51,924 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:28:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:28:51,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:28:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:28:51,940 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:28:51,940 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:28:51,944 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 [2020-10-20 00:28:51,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:28:51,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:28:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:28:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:28:52,004 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:28:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:28:52,005 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:28:52,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:28:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:28:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:28:52,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:28:52,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:28:52,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:28:52,007 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:28:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:28:52,008 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:28:52,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:28:52,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4167100] [2020-10-20 00:28:52,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:28:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:52,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:28:52,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:28:52,304 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:28:52,304 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:28:52,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:28:52,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:28:52 BoogieIcfgContainer [2020-10-20 00:28:52,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:28:52,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:28:52,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:28:52,439 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:28:52,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:28:51" (3/4) ... [2020-10-20 00:28:52,445 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:28:52,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:28:52,450 INFO L168 Benchmark]: Toolchain (without parser) took 2627.47 ms. Allocated memory was 37.2 MB in the beginning and 53.5 MB in the end (delta: 16.3 MB). Free memory was 19.3 MB in the beginning and 30.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,452 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 34.6 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.29 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.4 MB in the beginning and 21.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.75 ms. Allocated memory is still 45.1 MB. Free memory was 21.2 MB in the beginning and 17.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,456 INFO L168 Benchmark]: Boogie Preprocessor took 83.74 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.5 MB in the beginning and 26.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,458 INFO L168 Benchmark]: RCFGBuilder took 954.31 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 26.2 MB in the beginning and 28.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,460 INFO L168 Benchmark]: TraceAbstraction took 917.15 ms. Allocated memory was 49.8 MB in the beginning and 53.5 MB in the end (delta: 3.7 MB). Free memory was 27.5 MB in the beginning and 30.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,466 INFO L168 Benchmark]: Witness Printer took 7.18 ms. Allocated memory is still 53.5 MB. Free memory was 30.8 MB in the beginning and 30.4 MB in the end (delta: 425.8 kB). Peak memory consumption was 425.8 kB. Max. memory is 14.3 GB. [2020-10-20 00:28:52,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 34.6 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 581.29 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.4 MB in the beginning and 21.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 71.75 ms. Allocated memory is still 45.1 MB. Free memory was 21.2 MB in the beginning and 17.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 83.74 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.5 MB in the beginning and 26.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 954.31 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 26.2 MB in the beginning and 28.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 917.15 ms. Allocated memory was 49.8 MB in the beginning and 53.5 MB in the end (delta: 3.7 MB). Free memory was 27.5 MB in the beginning and 30.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.3 GB. * Witness Printer took 7.18 ms. Allocated memory is still 53.5 MB. Free memory was 30.8 MB in the beginning and 30.4 MB in the end (delta: 425.8 kB). Peak memory consumption was 425.8 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0663b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=116occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.25-9a8b2e8 [2020-10-20 00:28:54,832 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:28:54,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:28:54,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:28:54,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:28:54,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:28:54,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:28:54,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:28:54,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:28:54,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:28:54,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:28:54,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:28:54,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:28:54,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:28:54,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:28:54,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:28:54,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:28:54,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:28:54,984 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:28:54,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:28:54,984 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:28:54,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:28:54,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:28:54,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:28:54,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:28:54,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:28:54,986 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:28:54,986 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:28:54,986 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:28:54,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:28:54,987 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:28:54,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:28:54,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:28:54,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:28:54,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:28:54,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:28:54,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:28:54,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:28:54,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:28:54,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:28:54,990 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:28:54,990 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:28:54,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:28:54,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:28:54,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:28:54,991 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-10-20 00:28:55,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:28:55,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:28:55,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:28:55,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:28:55,224 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:28:55,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-20 00:28:55,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6c421ce/a015036d527e4b8a9f2d0c24f0118f4a/FLAG6d96d6d47 [2020-10-20 00:28:55,844 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:28:55,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-20 00:28:55,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6c421ce/a015036d527e4b8a9f2d0c24f0118f4a/FLAG6d96d6d47 [2020-10-20 00:28:56,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6c421ce/a015036d527e4b8a9f2d0c24f0118f4a [2020-10-20 00:28:56,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:28:56,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:28:56,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:56,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:28:56,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:28:56,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6328260d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56, skipping insertion in model container [2020-10-20 00:28:56,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:28:56,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:28:56,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:56,590 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:28:56,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:28:56,686 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:28:56,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56 WrapperNode [2020-10-20 00:28:56,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:28:56,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:56,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:28:56,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:28:56,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:28:56,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:28:56,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:28:56,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:28:56,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (1/1) ... [2020-10-20 00:28:56,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:28:56,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:28:56,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:28:56,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:28:56,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (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 [2020-10-20 00:28:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:28:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:28:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:28:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:28:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:28:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:28:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:28:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:28:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:28:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:35,438 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:35,439 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:35,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:35 BoogieIcfgContainer [2020-10-20 00:29:35,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:35,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:35,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:35,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:35,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:28:56" (1/3) ... [2020-10-20 00:29:35,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f95f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:35, skipping insertion in model container [2020-10-20 00:29:35,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:28:56" (2/3) ... [2020-10-20 00:29:35,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f95f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:35, skipping insertion in model container [2020-10-20 00:29:35,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:35" (3/3) ... [2020-10-20 00:29:35,465 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-10-20 00:29:35,476 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:35,482 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:35,492 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:35,514 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:35,515 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:35,515 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:35,515 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:35,515 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:35,515 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:35,515 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:35,516 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-20 00:29:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:29:35,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:35,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:35,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:35,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:35,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-20 00:29:35,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:35,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119879775] [2020-10-20 00:29:35,557 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 [2020-10-20 00:29:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:35,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:29:35,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:29:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:35,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:29:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:35,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119879775] [2020-10-20 00:29:35,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:35,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:29:35,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511920569] [2020-10-20 00:29:35,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:35,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:29:36,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:36,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:36,005 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-20 00:29:36,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:36,039 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-20 00:29:36,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:36,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:29:36,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:36,054 INFO L225 Difference]: With dead ends: 228 [2020-10-20 00:29:36,055 INFO L226 Difference]: Without dead ends: 111 [2020-10-20 00:29:36,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:36,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-20 00:29:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-20 00:29:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-20 00:29:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-20 00:29:36,105 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-20 00:29:36,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:36,106 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-20 00:29:36,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-20 00:29:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:29:36,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:36,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:36,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:29:36,318 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:36,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:36,319 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-20 00:29:36,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:36,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325874584] [2020-10-20 00:29:36,321 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 [2020-10-20 00:29:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:37,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:38,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:38,150 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:29:38,151 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:38,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:29:38,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:38 BoogieIcfgContainer [2020-10-20 00:29:38,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:38,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:38,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:38,429 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:38,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:35" (3/4) ... [2020-10-20 00:29:38,432 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:29:38,525 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:29:38,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:38,528 INFO L168 Benchmark]: Toolchain (without parser) took 42379.82 ms. Allocated memory was 35.7 MB in the beginning and 55.1 MB in the end (delta: 19.4 MB). Free memory was 12.4 MB in the beginning and 32.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,529 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.07 ms. Allocated memory was 35.7 MB in the beginning and 43.0 MB in the end (delta: 7.3 MB). Free memory was 11.5 MB in the beginning and 18.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.48 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 18.1 MB in the beginning and 25.1 MB in the end (delta: -7.0 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,532 INFO L168 Benchmark]: Boogie Preprocessor took 80.73 ms. Allocated memory is still 42.5 MB. Free memory was 25.1 MB in the beginning and 20.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,533 INFO L168 Benchmark]: RCFGBuilder took 38574.10 ms. Allocated memory was 42.5 MB in the beginning and 48.2 MB in the end (delta: 5.8 MB). Free memory was 20.9 MB in the beginning and 9.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,534 INFO L168 Benchmark]: TraceAbstraction took 2985.38 ms. Allocated memory was 48.2 MB in the beginning and 51.9 MB in the end (delta: 3.7 MB). Free memory was 9.5 MB in the beginning and 10.1 MB in the end (delta: -647.1 kB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,535 INFO L168 Benchmark]: Witness Printer took 97.39 ms. Allocated memory was 51.9 MB in the beginning and 55.1 MB in the end (delta: 3.1 MB). Free memory was 10.1 MB in the beginning and 32.5 MB in the end (delta: -22.4 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:38,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 533.07 ms. Allocated memory was 35.7 MB in the beginning and 43.0 MB in the end (delta: 7.3 MB). Free memory was 11.5 MB in the beginning and 18.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 97.48 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 18.1 MB in the beginning and 25.1 MB in the end (delta: -7.0 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 80.73 ms. Allocated memory is still 42.5 MB. Free memory was 25.1 MB in the beginning and 20.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 38574.10 ms. Allocated memory was 42.5 MB in the beginning and 48.2 MB in the end (delta: 5.8 MB). Free memory was 20.9 MB in the beginning and 9.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2985.38 ms. Allocated memory was 48.2 MB in the beginning and 51.9 MB in the end (delta: 3.7 MB). Free memory was 9.5 MB in the beginning and 10.1 MB in the end (delta: -647.1 kB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Witness Printer took 97.39 ms. Allocated memory was 51.9 MB in the beginning and 55.1 MB in the end (delta: 3.1 MB). Free memory was 10.1 MB in the beginning and 32.5 MB in the end (delta: -22.4 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0663b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...