./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41a526911f5478d4ee67d1ffe54a57e775a21596 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41a526911f5478d4ee67d1ffe54a57e775a21596 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:01:01,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:01:01,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:01:01,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:01:01,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:01:01,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:01:01,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:01:01,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:01:01,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:01:01,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:01:01,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:01:01,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:01:01,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:01:01,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:01:01,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:01:01,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:01:01,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:01:01,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:01:01,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:01:01,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:01:01,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:01:01,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:01:01,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:01:02,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:01:02,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:01:02,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:01:02,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:01:02,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:01:02,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:01:02,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:01:02,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:01:02,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:01:02,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:01:02,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:01:02,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:01:02,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:01:02,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:01:02,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:01:02,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:01:02,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:01:02,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:01:02,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:01:02,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:01:02,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:01:02,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:01:02,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:01:02,079 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:01:02,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:01:02,080 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:01:02,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:01:02,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:01:02,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:01:02,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:01:02,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:01:02,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:01:02,082 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:01:02,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:01:02,083 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:01:02,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:01:02,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:01:02,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:01:02,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:01:02,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:01:02,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:01:02,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:01:02,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:01:02,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:01:02,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:01:02,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:01:02,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:01:02,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:01:02,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2020-10-24 23:01:02,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:01:02,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:01:02,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:01:02,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:01:02,529 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:01:02,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-10-24 23:01:02,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab49b1be0/2eb2f9a3aed444b2875f2f59e59fa39d/FLAG053c0ad6e [2020-10-24 23:01:03,351 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:01:03,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-10-24 23:01:03,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab49b1be0/2eb2f9a3aed444b2875f2f59e59fa39d/FLAG053c0ad6e [2020-10-24 23:01:03,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab49b1be0/2eb2f9a3aed444b2875f2f59e59fa39d [2020-10-24 23:01:03,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:01:03,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:01:03,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:01:03,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:01:03,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:01:03,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:03" (1/1) ... [2020-10-24 23:01:03,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c3dc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:03, skipping insertion in model container [2020-10-24 23:01:03,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:03" (1/1) ... [2020-10-24 23:01:03,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:01:03,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:01:04,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:01:04,184 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:01:04,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:01:04,297 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:01:04,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04 WrapperNode [2020-10-24 23:01:04,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:01:04,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:01:04,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:01:04,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:01:04,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:01:04,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:01:04,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:01:04,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:01:04,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... [2020-10-24 23:01:04,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:01:04,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:01:04,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:01:04,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:01:04,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:01:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:01:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:01:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:01:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:01:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:01:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:01:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:01:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:01:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:01:05,480 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:01:05,481 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-24 23:01:05,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:05 BoogieIcfgContainer [2020-10-24 23:01:05,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:01:05,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:01:05,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:01:05,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:01:05,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:03" (1/3) ... [2020-10-24 23:01:05,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201d268a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:05, skipping insertion in model container [2020-10-24 23:01:05,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:04" (2/3) ... [2020-10-24 23:01:05,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201d268a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:05, skipping insertion in model container [2020-10-24 23:01:05,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:05" (3/3) ... [2020-10-24 23:01:05,495 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2020-10-24 23:01:05,510 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:01:05,516 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:01:05,531 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:01:05,579 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:01:05,580 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:01:05,580 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:01:05,580 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:01:05,580 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:01:05,581 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:01:05,581 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:01:05,581 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:01:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-10-24 23:01:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:01:05,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:01:05,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:01:05,623 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:01:05,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:01:05,633 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2020-10-24 23:01:05,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:01:05,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611971663] [2020-10-24 23:01:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:01:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:01:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:01:05,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611971663] [2020-10-24 23:01:05,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:01:05,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:01:05,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078503325] [2020-10-24 23:01:05,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:01:05,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:01:05,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:01:05,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:01:05,890 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-10-24 23:01:05,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:01:05,935 INFO L93 Difference]: Finished difference Result 146 states and 237 transitions. [2020-10-24 23:01:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:01:05,937 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 23:01:05,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:01:05,962 INFO L225 Difference]: With dead ends: 146 [2020-10-24 23:01:05,962 INFO L226 Difference]: Without dead ends: 70 [2020-10-24 23:01:05,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:01:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-24 23:01:06,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-10-24 23:01:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-24 23:01:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2020-10-24 23:01:06,012 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2020-10-24 23:01:06,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:01:06,012 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2020-10-24 23:01:06,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:01:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2020-10-24 23:01:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:01:06,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:01:06,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:01:06,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:01:06,014 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:01:06,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:01:06,015 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2020-10-24 23:01:06,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:01:06,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816392939] [2020-10-24 23:01:06,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:01:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:01:06,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:01:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:01:06,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:01:06,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:01:06,181 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:01:06,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:01:06,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:06 BoogieIcfgContainer [2020-10-24 23:01:06,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:01:06,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:01:06,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:01:06,229 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:01:06,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:05" (3/4) ... [2020-10-24 23:01:06,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:01:06,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:01:06,237 INFO L168 Benchmark]: Toolchain (without parser) took 2525.28 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 29.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:06,238 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 23.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:01:06,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.03 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 28.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:06,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.75 ms. Allocated memory is still 54.5 MB. Free memory was 28.9 MB in the beginning and 26.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:06,241 INFO L168 Benchmark]: Boogie Preprocessor took 88.99 ms. Allocated memory is still 54.5 MB. Free memory was 26.1 MB in the beginning and 36.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:06,242 INFO L168 Benchmark]: RCFGBuilder took 1005.91 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 37.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:06,243 INFO L168 Benchmark]: TraceAbstraction took 742.55 ms. Allocated memory is still 67.1 MB. Free memory was 37.4 MB in the beginning and 29.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:06,244 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 67.1 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 414.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:01:06,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 23.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.03 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 28.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.75 ms. Allocated memory is still 54.5 MB. Free memory was 28.9 MB in the beginning and 26.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.99 ms. Allocated memory is still 54.5 MB. Free memory was 26.1 MB in the beginning and 36.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1005.91 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 37.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 742.55 ms. Allocated memory is still 67.1 MB. Free memory was 37.4 MB in the beginning and 29.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.49 ms. Allocated memory is still 67.1 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 414.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 155, overapproximation of bitwiseAnd at line 173, overapproximation of someBinaryArithmeticDOUBLEoperation at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149-L163] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] double x = __VERIFIER_nondet_double(); [L244] COND TRUE x < -1.0 && x > 1.0 [L166] double t, w, p, q, c, r, s; [L167] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] ieee_double_shape_type gh_u; [L170] gh_u.value = (x) [L171] EXPR gh_u.parts.msw [L171] (hx) = gh_u.parts.msw [L173] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L174] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L185] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L186] COND FALSE !(ix < 0x3e400000) [L190] t = x * x [L191-L194] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L195-L196] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L197] w = p / q [L198] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L246] double res = __ieee754_asin(x); [L20] return x != x; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L249] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0281.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 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=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:01:09,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:01:09,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:01:09,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:01:09,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:01:09,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:01:09,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:01:09,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:01:09,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:01:09,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:01:09,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:01:09,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:01:09,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:01:09,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:01:09,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:01:09,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:01:09,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:01:09,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:01:09,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:01:09,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:01:09,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:01:09,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:01:09,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:01:09,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:01:09,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:01:09,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:01:09,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:01:09,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:01:09,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:01:09,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:01:09,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:01:09,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:01:09,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:01:09,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:01:09,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:01:09,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:01:09,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:01:09,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:01:09,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:01:09,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:01:09,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:01:09,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:01:09,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:01:09,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:01:09,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:01:09,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:01:09,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:01:09,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:01:09,143 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:01:09,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:01:09,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:01:09,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:01:09,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:01:09,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:01:09,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:01:09,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:01:09,145 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:01:09,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:01:09,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:01:09,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:01:09,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:01:09,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:01:09,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:01:09,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:01:09,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:01:09,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:01:09,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:01:09,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:01:09,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:01:09,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:01:09,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:01:09,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:01:09,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:01:09,150 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2020-10-24 23:01:09,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:01:09,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:01:09,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:01:09,662 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:01:09,663 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:01:09,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-10-24 23:01:09,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d107d1743/2263297098b8407380151b8078282070/FLAG29c3d991a [2020-10-24 23:01:10,484 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:01:10,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-10-24 23:01:10,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d107d1743/2263297098b8407380151b8078282070/FLAG29c3d991a [2020-10-24 23:01:10,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d107d1743/2263297098b8407380151b8078282070 [2020-10-24 23:01:10,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:01:10,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:01:10,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:01:10,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:01:10,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:01:10,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:10" (1/1) ... [2020-10-24 23:01:10,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2524a653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:10, skipping insertion in model container [2020-10-24 23:01:10,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:10" (1/1) ... [2020-10-24 23:01:10,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:01:10,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:01:11,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:01:11,177 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:01:11,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:01:11,345 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:01:11,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11 WrapperNode [2020-10-24 23:01:11,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:01:11,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:01:11,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:01:11,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:01:11,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:01:11,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:01:11,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:01:11,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:01:11,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... [2020-10-24 23:01:11,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:01:11,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:01:11,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:01:11,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:01:11,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:01:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:01:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:01:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:01:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:01:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:01:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:01:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:01:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:01:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:01:31,680 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:01:31,681 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-24 23:01:31,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:31 BoogieIcfgContainer [2020-10-24 23:01:31,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:01:31,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:01:31,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:01:31,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:01:31,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:10" (1/3) ... [2020-10-24 23:01:31,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e695ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:31, skipping insertion in model container [2020-10-24 23:01:31,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:11" (2/3) ... [2020-10-24 23:01:31,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e695ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:31, skipping insertion in model container [2020-10-24 23:01:31,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:31" (3/3) ... [2020-10-24 23:01:31,697 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2020-10-24 23:01:31,710 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:01:31,717 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:01:31,732 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:01:31,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:01:31,773 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:01:31,773 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:01:31,773 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:01:31,773 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:01:31,773 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:01:31,774 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:01:31,774 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:01:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-10-24 23:01:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:01:31,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:01:31,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:01:31,798 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:01:31,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:01:31,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2020-10-24 23:01:31,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:01:31,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565706832] [2020-10-24 23:01:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:01:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:01:32,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:01:32,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:01:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:01:32,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:01:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:01:32,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565706832] [2020-10-24 23:01:32,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:01:32,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:01:32,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701141347] [2020-10-24 23:01:32,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:01:32,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:01:32,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:01:32,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:01:32,718 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-10-24 23:01:32,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:01:32,740 INFO L93 Difference]: Finished difference Result 79 states and 124 transitions. [2020-10-24 23:01:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:01:32,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 23:01:32,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:01:32,748 INFO L225 Difference]: With dead ends: 79 [2020-10-24 23:01:32,749 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:01:32,752 INFO L677 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 [2020-10-24 23:01:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:01:32,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:01:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:01:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:01:32,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-24 23:01:32,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:01:32,781 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:01:32,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:01:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:01:32,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:01:32,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:01:32,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:01:33,067 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2020-10-24 23:01:33,067 INFO L270 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2020-10-24 23:01:33,067 INFO L274 CegarLoopResult]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2020-10-24 23:01:33,068 INFO L274 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2020-10-24 23:01:33,068 INFO L270 CegarLoopResult]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2020-10-24 23:01:33,068 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:01:33,068 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:01:33,068 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:01:33,069 INFO L274 CegarLoopResult]: For program point L185(lines 185 200) no Hoare annotation was computed. [2020-10-24 23:01:33,069 INFO L274 CegarLoopResult]: For program point L185-1(lines 185 200) no Hoare annotation was computed. [2020-10-24 23:01:33,069 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: false [2020-10-24 23:01:33,069 INFO L274 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2020-10-24 23:01:33,069 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2020-10-24 23:01:33,069 INFO L274 CegarLoopResult]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2020-10-24 23:01:33,069 INFO L274 CegarLoopResult]: For program point L187(lines 187 188) no Hoare annotation was computed. [2020-10-24 23:01:33,069 INFO L274 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2020-10-24 23:01:33,070 INFO L270 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2020-10-24 23:01:33,070 INFO L274 CegarLoopResult]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2020-10-24 23:01:33,070 INFO L274 CegarLoopResult]: For program point L105(lines 105 119) no Hoare annotation was computed. [2020-10-24 23:01:33,070 INFO L274 CegarLoopResult]: For program point L122(lines 122 123) no Hoare annotation was computed. [2020-10-24 23:01:33,070 INFO L274 CegarLoopResult]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2020-10-24 23:01:33,070 INFO L277 CegarLoopResult]: At program point L255(lines 234 256) the Hoare annotation is: true [2020-10-24 23:01:33,070 INFO L274 CegarLoopResult]: For program point L90(lines 90 99) no Hoare annotation was computed. [2020-10-24 23:01:33,070 INFO L274 CegarLoopResult]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2020-10-24 23:01:33,071 INFO L274 CegarLoopResult]: For program point L140(lines 140 145) no Hoare annotation was computed. [2020-10-24 23:01:33,071 INFO L274 CegarLoopResult]: For program point L140-1(lines 133 147) no Hoare annotation was computed. [2020-10-24 23:01:33,071 INFO L274 CegarLoopResult]: For program point L107(lines 107 118) no Hoare annotation was computed. [2020-10-24 23:01:33,072 INFO L274 CegarLoopResult]: For program point L140-2(lines 140 145) no Hoare annotation was computed. [2020-10-24 23:01:33,072 INFO L274 CegarLoopResult]: For program point L41(lines 41 46) no Hoare annotation was computed. [2020-10-24 23:01:33,072 INFO L270 CegarLoopResult]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2020-10-24 23:01:33,072 INFO L274 CegarLoopResult]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2020-10-24 23:01:33,073 INFO L274 CegarLoopResult]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2020-10-24 23:01:33,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:01:33,073 INFO L274 CegarLoopResult]: For program point L174(lines 174 200) no Hoare annotation was computed. [2020-10-24 23:01:33,073 INFO L274 CegarLoopResult]: For program point L42(lines 42 45) no Hoare annotation was computed. [2020-10-24 23:01:33,073 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-10-24 23:01:33,073 INFO L274 CegarLoopResult]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2020-10-24 23:01:33,074 INFO L270 CegarLoopResult]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2020-10-24 23:01:33,074 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-10-24 23:01:33,074 INFO L274 CegarLoopResult]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2020-10-24 23:01:33,074 INFO L274 CegarLoopResult]: For program point L109(lines 109 117) no Hoare annotation was computed. [2020-10-24 23:01:33,074 INFO L274 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-10-24 23:01:33,075 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2020-10-24 23:01:33,075 INFO L274 CegarLoopResult]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2020-10-24 23:01:33,075 INFO L270 CegarLoopResult]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2020-10-24 23:01:33,075 INFO L274 CegarLoopResult]: For program point L176-3(lines 174 185) no Hoare annotation was computed. [2020-10-24 23:01:33,075 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-10-24 23:01:33,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:01:33,076 INFO L274 CegarLoopResult]: For program point L95(lines 95 96) no Hoare annotation was computed. [2020-10-24 23:01:33,076 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2020-10-24 23:01:33,076 INFO L274 CegarLoopResult]: For program point L244(lines 244 253) no Hoare annotation was computed. [2020-10-24 23:01:33,076 INFO L274 CegarLoopResult]: For program point L211(lines 211 227) no Hoare annotation was computed. [2020-10-24 23:01:33,077 INFO L274 CegarLoopResult]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2020-10-24 23:01:33,077 INFO L274 CegarLoopResult]: For program point L211-2(lines 165 232) no Hoare annotation was computed. [2020-10-24 23:01:33,077 INFO L274 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-10-24 23:01:33,077 INFO L274 CegarLoopResult]: For program point L63(lines 63 66) no Hoare annotation was computed. [2020-10-24 23:01:33,077 INFO L274 CegarLoopResult]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2020-10-24 23:01:33,078 INFO L274 CegarLoopResult]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2020-10-24 23:01:33,078 INFO L270 CegarLoopResult]: At program point L30-2(lines 30 35) the Hoare annotation is: false [2020-10-24 23:01:33,078 INFO L274 CegarLoopResult]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2020-10-24 23:01:33,078 INFO L270 CegarLoopResult]: At program point L146(lines 133 147) the Hoare annotation is: false [2020-10-24 23:01:33,078 INFO L274 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2020-10-24 23:01:33,079 INFO L274 CegarLoopResult]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2020-10-24 23:01:33,079 INFO L270 CegarLoopResult]: At program point L131(lines 24 132) the Hoare annotation is: false [2020-10-24 23:01:33,079 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:01:33,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:01:33,080 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-10-24 23:01:33,080 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2020-10-24 23:01:33,080 INFO L270 CegarLoopResult]: At program point L231(lines 165 232) the Hoare annotation is: false [2020-10-24 23:01:33,080 INFO L270 CegarLoopResult]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2020-10-24 23:01:33,081 INFO L274 CegarLoopResult]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2020-10-24 23:01:33,081 INFO L274 CegarLoopResult]: For program point L249(lines 249 252) no Hoare annotation was computed. [2020-10-24 23:01:33,081 INFO L274 CegarLoopResult]: For program point L216-1(lines 216 221) no Hoare annotation was computed. [2020-10-24 23:01:33,081 INFO L270 CegarLoopResult]: At program point L216-2(lines 216 221) the Hoare annotation is: false [2020-10-24 23:01:33,081 INFO L274 CegarLoopResult]: For program point L216-3(lines 216 221) no Hoare annotation was computed. [2020-10-24 23:01:33,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:33 BoogieIcfgContainer [2020-10-24 23:01:33,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:01:33,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:01:33,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:01:33,103 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:01:33,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:31" (3/4) ... [2020-10-24 23:01:33,109 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:01:33,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-24 23:01:33,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-24 23:01:33,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:01:33,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:01:33,264 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:01:33,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:01:33,272 INFO L168 Benchmark]: Toolchain (without parser) took 22474.31 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 33.8 MB in the beginning and 37.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,273 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 41.9 MB. Free memory was 21.9 MB in the beginning and 21.9 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:01:33,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.88 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 32.7 MB in the end (delta: 427.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.57 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 30.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,275 INFO L168 Benchmark]: Boogie Preprocessor took 84.97 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 27.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,275 INFO L168 Benchmark]: RCFGBuilder took 20117.27 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 40.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,276 INFO L168 Benchmark]: TraceAbstraction took 1408.82 ms. Allocated memory is still 62.9 MB. Free memory was 39.6 MB in the beginning and 25.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,276 INFO L168 Benchmark]: Witness Printer took 167.47 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 38.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:01:33,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 41.9 MB. Free memory was 21.9 MB in the beginning and 21.9 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 538.88 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 32.7 MB in the end (delta: 427.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.57 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 30.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.97 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 27.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20117.27 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 40.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1408.82 ms. Allocated memory is still 62.9 MB. Free memory was 39.6 MB in the beginning and 25.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Witness Printer took 167.47 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 38.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 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=75occurred 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: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...