./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_0661b.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7b03c010cc5bb74fc451f0f165676fac13dd665 ............................................................................................................................................................................................................................................................................................................................ 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 -Xmx12G -Xms1G -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_0661b.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7b03c010cc5bb74fc451f0f165676fac13dd665 ........................................................................................................................................................................................................................................................................................................................................... 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-c1f4b5c [2019-12-08 15:46:23,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:46:23,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:46:23,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:46:23,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:46:23,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:46:23,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:46:23,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:46:23,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:46:23,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:46:23,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:46:23,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:46:23,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:46:23,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:46:23,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:46:23,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:46:23,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:46:23,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:46:23,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:46:23,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:46:23,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:46:23,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:46:23,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:46:23,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:46:23,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:46:23,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:46:23,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:46:23,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:46:23,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:46:23,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:46:23,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:46:23,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:46:23,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:46:23,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:46:23,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:46:23,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:46:23,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:46:23,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:46:23,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:46:23,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:46:23,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:46:23,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:46:23,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:46:23,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:46:23,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:46:23,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:46:23,315 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:46:23,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:46:23,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:46:23,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:46:23,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:46:23,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:46:23,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:46:23,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:46:23,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:46:23,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:46:23,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:46:23,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:46:23,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:46:23,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:46:23,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:46:23,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:46:23,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:46:23,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:46:23,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:46:23,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:46:23,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:46:23,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:46:23,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:46:23,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:46:23,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:46:23,321 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(__VERIFIER_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 -> f7b03c010cc5bb74fc451f0f165676fac13dd665 [2019-12-08 15:46:23,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:46:23,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:46:23,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:46:23,717 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:46:23,717 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:46:23,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2019-12-08 15:46:23,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77add272/160c0949c2584b0995cf8437982a43f9/FLAGc2c11c68c [2019-12-08 15:46:24,303 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:46:24,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2019-12-08 15:46:24,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77add272/160c0949c2584b0995cf8437982a43f9/FLAGc2c11c68c [2019-12-08 15:46:24,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77add272/160c0949c2584b0995cf8437982a43f9 [2019-12-08 15:46:24,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:46:24,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:46:24,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:24,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:46:24,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:46:24,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78afe6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24, skipping insertion in model container [2019-12-08 15:46:24,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:46:24,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:46:25,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:25,014 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:46:25,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:25,110 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:46:25,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25 WrapperNode [2019-12-08 15:46:25,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:25,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:25,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:46:25,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:46:25,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:25,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:46:25,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:46:25,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:46:25,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (1/1) ... [2019-12-08 15:46:25,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:46:25,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:46:25,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:46:25,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:46:25,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (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 [2019-12-08 15:46:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:46:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:46:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:46:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:46:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:46:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:46:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:46:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:46:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:46:26,296 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:46:26,296 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-08 15:46:26,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:46:26 BoogieIcfgContainer [2019-12-08 15:46:26,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:46:26,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:46:26,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:46:26,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:46:26,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:46:24" (1/3) ... [2019-12-08 15:46:26,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0fc03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:46:26, skipping insertion in model container [2019-12-08 15:46:26,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:25" (2/3) ... [2019-12-08 15:46:26,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0fc03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:46:26, skipping insertion in model container [2019-12-08 15:46:26,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:46:26" (3/3) ... [2019-12-08 15:46:26,307 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2019-12-08 15:46:26,316 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:46:26,323 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:46:26,332 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:46:26,353 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:46:26,354 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:46:26,354 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:46:26,354 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:46:26,354 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:46:26,355 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:46:26,355 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:46:26,355 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:46:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-12-08 15:46:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:46:26,381 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:46:26,382 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:46:26,382 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:46:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:46:26,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2019-12-08 15:46:26,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:46:26,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814134864] [2019-12-08 15:46:26,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:46:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:46:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:46:26,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814134864] [2019-12-08 15:46:26,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:46:26,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:46:26,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591529454] [2019-12-08 15:46:26,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:46:26,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:46:26,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:46:26,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:46:26,560 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-12-08 15:46:26,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:46:26,592 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2019-12-08 15:46:26,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:46:26,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-08 15:46:26,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:46:26,607 INFO L225 Difference]: With dead ends: 237 [2019-12-08 15:46:26,608 INFO L226 Difference]: Without dead ends: 116 [2019-12-08 15:46:26,611 INFO L631 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 [2019-12-08 15:46:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-08 15:46:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-12-08 15:46:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-08 15:46:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2019-12-08 15:46:26,663 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2019-12-08 15:46:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:46:26,664 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-12-08 15:46:26,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:46:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-08 15:46:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:46:26,665 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:46:26,666 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:46:26,666 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:46:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:46:26,667 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2019-12-08 15:46:26,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:46:26,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839435094] [2019-12-08 15:46:26,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:46:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:46:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:46:26,937 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:46:26,938 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:46:27,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:46:27 BoogieIcfgContainer [2019-12-08 15:46:27,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:46:27,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:46:27,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:46:27,004 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:46:27,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:46:26" (3/4) ... [2019-12-08 15:46:27,008 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:46:27,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:46:27,011 INFO L168 Benchmark]: Toolchain (without parser) took 2388.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -46.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:27,012 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:46:27,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:27,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:27,015 INFO L168 Benchmark]: Boogie Preprocessor took 103.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:27,016 INFO L168 Benchmark]: RCFGBuilder took 1003.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:27,017 INFO L168 Benchmark]: TraceAbstraction took 704.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:27,018 INFO L168 Benchmark]: Witness Printer took 4.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:46:27,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 488.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1003.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 704.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 271]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 270. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L264] double x = __VERIFIER_nondet_double(); [L265] double y = 0.0; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L267] COND TRUE x > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L268] double res = __ieee754_atan2(y, x); [L270] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L270] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L271] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 120 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 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=120occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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, 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-c1f4b5c [2019-12-08 15:46:29,019 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-12-08 15:46:29,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:46:29,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:46:29,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:46:29,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:46:29,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:46:29,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:46:29,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:46:29,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:46:29,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:46:29,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:46:29,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:46:29,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:46:29,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:46:29,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:46:29,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:46:29,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:46:29,100 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:46:29,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:46:29,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:46:29,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:46:29,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:46:29,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:46:29,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:46:29,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:46:29,102 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:46:29,102 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:46:29,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:46:29,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:46:29,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:46:29,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:46:29,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:46:29,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:46:29,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:46:29,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:46:29,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:46:29,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:46:29,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:46:29,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:46:29,106 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:46:29,106 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:46:29,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:46:29,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:46:29,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:46:29,108 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(__VERIFIER_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 -> f7b03c010cc5bb74fc451f0f165676fac13dd665 [2019-12-08 15:46:29,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:46:29,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:46:29,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:46:29,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:46:29,425 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:46:29,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2019-12-08 15:46:29,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc2bbf84/0175f655a4f34205a6b1ff484ac22671/FLAG556fb3c78 [2019-12-08 15:46:29,967 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:46:29,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2019-12-08 15:46:29,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc2bbf84/0175f655a4f34205a6b1ff484ac22671/FLAG556fb3c78 [2019-12-08 15:46:30,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc2bbf84/0175f655a4f34205a6b1ff484ac22671 [2019-12-08 15:46:30,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:46:30,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:46:30,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:30,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:46:30,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:46:30,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:30,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f72f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30, skipping insertion in model container [2019-12-08 15:46:30,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:30,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:46:30,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:46:30,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:30,758 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:46:30,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:30,884 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:46:30,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30 WrapperNode [2019-12-08 15:46:30,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:30,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:30,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:46:30,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:46:30,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:30,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:30,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:30,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:46:30,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:46:30,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:46:30,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:30,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:31,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:31,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:31,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:31,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:31,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (1/1) ... [2019-12-08 15:46:31,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:46:31,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:46:31,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:46:31,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:46:31,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (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 [2019-12-08 15:46:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:46:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:46:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:46:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:46:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:46:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:46:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:46:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:46:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:08,388 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:08,388 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-08 15:47:08,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:08 BoogieIcfgContainer [2019-12-08 15:47:08,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:08,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:08,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:08,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:08,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:46:30" (1/3) ... [2019-12-08 15:47:08,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1d8b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:08, skipping insertion in model container [2019-12-08 15:47:08,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30" (2/3) ... [2019-12-08 15:47:08,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1d8b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:08, skipping insertion in model container [2019-12-08 15:47:08,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:08" (3/3) ... [2019-12-08 15:47:08,399 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2019-12-08 15:47:08,408 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:08,415 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:08,425 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:08,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:08,453 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:08,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:08,454 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:08,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:08,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:08,455 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:08,455 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-12-08 15:47:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:47:08,482 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:08,483 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:08,483 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:08,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:08,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2019-12-08 15:47:08,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:47:08,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805326147] [2019-12-08 15:47:08,505 INFO L94 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 [2019-12-08 15:47:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:09,021 INFO L264 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:47:09,026 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:47:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:47:09,038 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:47:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:47:09,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805326147] [2019-12-08 15:47:09,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:09,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:47:09,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285889783] [2019-12-08 15:47:09,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:09,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:47:09,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:09,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:09,069 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-12-08 15:47:09,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:09,105 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2019-12-08 15:47:09,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:09,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-08 15:47:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:09,120 INFO L225 Difference]: With dead ends: 237 [2019-12-08 15:47:09,120 INFO L226 Difference]: Without dead ends: 116 [2019-12-08 15:47:09,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-08 15:47:09,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-12-08 15:47:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-08 15:47:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2019-12-08 15:47:09,186 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2019-12-08 15:47:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:09,186 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-12-08 15:47:09,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-08 15:47:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:47:09,187 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:09,187 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:09,405 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:47:09,406 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:09,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:09,406 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2019-12-08 15:47:09,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:47:09,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81737562] [2019-12-08 15:47:09,408 INFO L94 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 [2019-12-08 15:47:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:10,781 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:47:10,782 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:47:10,983 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:47:11,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:11 BoogieIcfgContainer [2019-12-08 15:47:11,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:47:11,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:47:11,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:47:11,057 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:47:11,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:08" (3/4) ... [2019-12-08 15:47:11,060 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:47:11,162 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:47:11,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:47:11,165 INFO L168 Benchmark]: Toolchain (without parser) took 40878.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.3 MB in the beginning and 957.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 137.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,166 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:11,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,171 INFO L168 Benchmark]: Boogie Preprocessor took 97.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,171 INFO L168 Benchmark]: RCFGBuilder took 37308.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,172 INFO L168 Benchmark]: TraceAbstraction took 2665.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.9 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,172 INFO L168 Benchmark]: Witness Printer took 105.80 ms. Allocated memory is still 1.2 GB. Free memory was 963.9 MB in the beginning and 957.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:11,180 INFO L335 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 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37308.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2665.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.9 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. * Witness Printer took 105.80 ms. Allocated memory is still 1.2 GB. Free memory was 963.9 MB in the beginning and 957.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 271]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] 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={3:0}, atanlo_atan={2:0}, 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] [L264] double x = __VERIFIER_nondet_double(); [L265] double y = 0.0; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L267] COND TRUE x > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L268] double res = __ieee754_atan2(y, x); [L270] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L270] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L271] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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, 120 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 103 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, 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...