./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661a.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_0661a.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 affc33a17eeaac5bbef8bea17cfba29382789d60 ............................................................................................................................................................................................................................................................................................................................ 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_0661a.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 affc33a17eeaac5bbef8bea17cfba29382789d60 ........................................................................................................................................................................................................................................................................................................................................... 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 15:46:22,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:46:22,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:46:22,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:46:22,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:46:22,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:46:22,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:46:22,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:46:22,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:46:22,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:46:22,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:46:22,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:46:22,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:46:22,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:46:23,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:46:23,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:46:23,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:46:23,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:46:23,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:46:23,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:46:23,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:46:23,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:46:23,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:46:23,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:46:23,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:46:23,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:46:23,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:46:23,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:46:23,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:46:23,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:46:23,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:46:23,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:46:23,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:46:23,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:46:23,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:46:23,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:46:23,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:46:23,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:46:23,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:46:23,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:46:23,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:46:23,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:46:23,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:46:23,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:46:23,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:46:23,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:46:23,061 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:46:23,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:46:23,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:46:23,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:46:23,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:46:23,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:46:23,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:46:23,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:46:23,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:46:23,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:46:23,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:46:23,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:46:23,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:46:23,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:46:23,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:46:23,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:46:23,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:46:23,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:46:23,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:46:23,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:46:23,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:46:23,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:46:23,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:46:23,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:46:23,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:46:23,070 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 -> affc33a17eeaac5bbef8bea17cfba29382789d60 [2019-12-08 15:46:23,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:46:23,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:46:23,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:46:23,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:46:23,425 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:46:23,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-08 15:46:23,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6de2b68/9daa8ef310f541c6820a85a7037800e5/FLAGc0b6bc4e2 [2019-12-08 15:46:23,990 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:46:23,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-08 15:46:24,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6de2b68/9daa8ef310f541c6820a85a7037800e5/FLAGc0b6bc4e2 [2019-12-08 15:46:24,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6de2b68/9daa8ef310f541c6820a85a7037800e5 [2019-12-08 15:46:24,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:46:24,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:46:24,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:24,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:46:24,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:46:24,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bc4a02 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 15:46:24,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:46:24,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:46:24,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:24,691 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:46:24,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:24,782 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:46:24,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24 WrapperNode [2019-12-08 15:46:24,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:24,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:24,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:46:24,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:46:24,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:24,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:46:24,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:46:24,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:46:24,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (1/1) ... [2019-12-08 15:46:24,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:46:24,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:46:24,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:46:24,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:46:24,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (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 15:46:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:46:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:46:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:46:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:46:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:46:25,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:46:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:46:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:46:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:46:25,811 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:46:25,811 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-08 15:46:25,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:46:25 BoogieIcfgContainer [2019-12-08 15:46:25,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:46:25,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:46:25,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:46:25,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:46:25,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:46:24" (1/3) ... [2019-12-08 15:46:25,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a31edd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:46:25, skipping insertion in model container [2019-12-08 15:46:25,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:24" (2/3) ... [2019-12-08 15:46:25,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a31edd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:46:25, skipping insertion in model container [2019-12-08 15:46:25,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:46:25" (3/3) ... [2019-12-08 15:46:25,821 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2019-12-08 15:46:25,833 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:46:25,840 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:46:25,849 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:46:25,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:46:25,872 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:46:25,872 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:46:25,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:46:25,873 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:46:25,873 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:46:25,873 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:46:25,873 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:46:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-12-08 15:46:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:46:25,897 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:46:25,898 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:46:25,899 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:46:25,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:46:25,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2019-12-08 15:46:25,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:46:25,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112433102] [2019-12-08 15:46:25,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:46:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:46:26,075 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 15:46:26,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112433102] [2019-12-08 15:46:26,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:46:26,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:46:26,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005270330] [2019-12-08 15:46:26,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:46:26,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:46:26,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:46:26,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:46:26,104 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-12-08 15:46:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:46:26,166 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2019-12-08 15:46:26,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:46:26,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-08 15:46:26,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:46:26,181 INFO L225 Difference]: With dead ends: 237 [2019-12-08 15:46:26,182 INFO L226 Difference]: Without dead ends: 116 [2019-12-08 15:46:26,186 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 15:46:26,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-08 15:46:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-12-08 15:46:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-08 15:46:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2019-12-08 15:46:26,231 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2019-12-08 15:46:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:46:26,232 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-12-08 15:46:26,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:46:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-08 15:46:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:46:26,234 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:46:26,234 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:46:26,234 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:46:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:46:26,235 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2019-12-08 15:46:26,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:46:26,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6964803] [2019-12-08 15:46:26,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:46:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:46:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:46:26,446 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:46:26,447 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:46:26,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:46:26 BoogieIcfgContainer [2019-12-08 15:46:26,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:46:26,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:46:26,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:46:26,533 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:46:26,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:46:25" (3/4) ... [2019-12-08 15:46:26,537 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:46:26,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:46:26,539 INFO L168 Benchmark]: Toolchain (without parser) took 2208.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -47.7 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:26,540 INFO L168 Benchmark]: CDTParser took 0.29 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 15:46:26,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:26,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.12 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 15:46:26,543 INFO L168 Benchmark]: Boogie Preprocessor took 66.68 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 15:46:26,544 INFO L168 Benchmark]: RCFGBuilder took 885.86 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:26,545 INFO L168 Benchmark]: TraceAbstraction took 717.96 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: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-12-08 15:46:26,545 INFO L168 Benchmark]: Witness Printer took 4.42 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 15:46:26,552 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 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.12 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 66.68 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 885.86 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 717.96 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: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 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 265, 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) == 1 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) == 1) [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 15:46:28,378 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-12-08 15:46:28,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:46:28,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:46:28,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:46:28,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:46:28,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:46:28,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:46:28,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:46:28,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:46:28,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:46:28,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:46:28,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:46:28,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:46:28,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:46:28,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:46:28,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:46:28,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:46:28,498 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:46:28,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:46:28,499 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:46:28,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:46:28,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:46:28,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:46:28,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:46:28,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:46:28,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:46:28,501 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:46:28,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:46:28,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:46:28,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:46:28,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:46:28,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:46:28,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:46:28,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:46:28,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:46:28,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:46:28,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:46:28,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:46:28,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:46:28,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:46:28,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:46:28,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:46:28,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:46:28,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:46:28,506 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 -> affc33a17eeaac5bbef8bea17cfba29382789d60 [2019-12-08 15:46:28,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:46:28,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:46:28,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:46:28,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:46:28,831 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:46:28,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-08 15:46:28,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a2666ff/1b6e9cb4d7454e0e854aaab50b6737cc/FLAG4af15e310 [2019-12-08 15:46:29,348 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:46:29,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-08 15:46:29,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a2666ff/1b6e9cb4d7454e0e854aaab50b6737cc/FLAG4af15e310 [2019-12-08 15:46:29,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a2666ff/1b6e9cb4d7454e0e854aaab50b6737cc [2019-12-08 15:46:29,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:46:29,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:46:29,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:29,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:46:29,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:46:29,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:29" (1/1) ... [2019-12-08 15:46:29,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6494d4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:29, skipping insertion in model container [2019-12-08 15:46:29,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:46:29" (1/1) ... [2019-12-08 15:46:29,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:46:29,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:46:30,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:30,045 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:46:30,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:46:30,221 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:46:30,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:46:30 WrapperNode [2019-12-08 15:46:30,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:46:30,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:30,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:46:30,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:46:30,231 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 15:46:30,248 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 15:46:30,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:46:30,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:46:30,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:46:30,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:46:30,311 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 15:46:30,311 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 15:46:30,321 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 15:46:30,322 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 15:46:30,350 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 15:46:30,361 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 15:46:30,368 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 15:46:30,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:46:30,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:46:30,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:46:30,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:46:30,379 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 15:46:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:46:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:46:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:46:30,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:46:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:46:30,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:46:30,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:46:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:46:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:09,764 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:09,765 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-08 15:47:09,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:09 BoogieIcfgContainer [2019-12-08 15:47:09,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:09,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:09,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:09,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:09,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:46:29" (1/3) ... [2019-12-08 15:47:09,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e543efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:09, skipping insertion in model container [2019-12-08 15:47:09,772 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 15:47:09,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e543efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:09, skipping insertion in model container [2019-12-08 15:47:09,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:09" (3/3) ... [2019-12-08 15:47:09,775 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2019-12-08 15:47:09,784 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:09,792 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:09,805 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:09,830 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:09,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:09,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:09,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:09,832 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:09,832 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:09,832 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:09,833 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-12-08 15:47:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:47:09,858 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:09,859 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:09,860 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:09,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:09,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2019-12-08 15:47:09,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:47:09,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968527462] [2019-12-08 15:47:09,878 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 15:47:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:10,294 INFO L264 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:47:10,299 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:47:10,310 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 15:47:10,310 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:47:10,314 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 15:47:10,315 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968527462] [2019-12-08 15:47:10,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:10,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:47:10,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450290757] [2019-12-08 15:47:10,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:10,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:47:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:10,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:10,333 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-12-08 15:47:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:10,371 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2019-12-08 15:47:10,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:10,373 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-08 15:47:10,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:10,394 INFO L225 Difference]: With dead ends: 237 [2019-12-08 15:47:10,395 INFO L226 Difference]: Without dead ends: 116 [2019-12-08 15:47:10,399 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 15:47:10,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-08 15:47:10,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-12-08 15:47:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-08 15:47:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2019-12-08 15:47:10,458 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2019-12-08 15:47:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:10,458 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-12-08 15:47:10,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-08 15:47:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:47:10,459 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:10,460 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:10,661 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:47:10,661 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:10,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:10,662 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2019-12-08 15:47:10,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:47:10,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899525500] [2019-12-08 15:47:10,665 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 15:47:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:12,113 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:47:12,113 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:47:12,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:47:12,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:12 BoogieIcfgContainer [2019-12-08 15:47:12,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:47:12,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:47:12,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:47:12,417 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:47:12,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:09" (3/4) ... [2019-12-08 15:47:12,420 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:47:12,558 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:47:12,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:47:12,562 INFO L168 Benchmark]: Toolchain (without parser) took 42853.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 955.0 MB in the beginning and 920.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,566 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 15:47:12,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,575 INFO L168 Benchmark]: Boogie Preprocessor took 74.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,576 INFO L168 Benchmark]: RCFGBuilder took 39390.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,576 INFO L168 Benchmark]: TraceAbstraction took 2648.50 ms. Allocated memory is still 1.1 GB. Free memory was 998.9 MB in the beginning and 927.3 MB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,577 INFO L168 Benchmark]: Witness Printer took 142.83 ms. Allocated memory is still 1.1 GB. Free memory was 927.3 MB in the beginning and 920.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:12,580 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 512.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 39390.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2648.50 ms. Allocated memory is still 1.1 GB. Free memory was 998.9 MB in the beginning and 927.3 MB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * Witness Printer took 142.83 ms. Allocated memory is still 1.1 GB. Free memory was 927.3 MB in the beginning and 920.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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) == 1 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) == 1) [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: 2.4s, 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...