./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0931.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0931.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 0a345343e4b2fce1b8c67d8cf098c119a4547223 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0931.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 0a345343e4b2fce1b8c67d8cf098c119a4547223 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:31:43,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:31:43,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:31:43,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:31:43,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:31:43,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:31:43,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:31:43,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:31:43,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:31:43,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:31:43,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:31:43,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:31:43,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:31:43,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:31:43,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:31:43,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:31:43,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:31:43,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:31:43,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:31:43,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:31:43,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:31:43,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:31:43,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:31:43,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:31:43,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:31:43,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:31:43,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:31:43,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:31:43,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:31:43,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:31:43,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:31:43,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:31:43,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:31:43,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:31:43,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:31:43,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:31:43,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:31:43,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:31:43,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:31:43,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:31:43,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:31:43,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:31:43,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:31:43,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:31:43,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:31:43,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:31:43,737 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:31:43,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:31:43,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:31:43,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:31:43,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:31:43,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:31:43,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:31:43,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:31:43,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:31:43,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:31:43,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:31:43,740 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:31:43,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:31:43,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:31:43,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:31:43,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:31:43,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:31:43,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:31:43,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:31:43,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:31:43,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:31:43,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:31:43,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:31:43,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:31:43,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:31:43,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a345343e4b2fce1b8c67d8cf098c119a4547223 [2020-10-20 00:31:43,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:31:43,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:31:43,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:31:43,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:31:43,965 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:31:43,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2020-10-20 00:31:44,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011787a06/d60a3945e8974307851203a6f383c846/FLAG7fd3d4379 [2020-10-20 00:31:44,548 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:31:44,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2020-10-20 00:31:44,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011787a06/d60a3945e8974307851203a6f383c846/FLAG7fd3d4379 [2020-10-20 00:31:44,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011787a06/d60a3945e8974307851203a6f383c846 [2020-10-20 00:31:44,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:31:44,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:31:44,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:31:44,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:31:44,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:31:44,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:31:44" (1/1) ... [2020-10-20 00:31:44,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af011ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:44, skipping insertion in model container [2020-10-20 00:31:44,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:31:44" (1/1) ... [2020-10-20 00:31:44,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:31:44,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:31:45,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:31:45,211 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:31:45,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:31:45,282 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:31:45,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45 WrapperNode [2020-10-20 00:31:45,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:31:45,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:31:45,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:31:45,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:31:45,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:31:45,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:31:45,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:31:45,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:31:45,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... [2020-10-20 00:31:45,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:31:45,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:31:45,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:31:45,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:31:45,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:31:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:31:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:31:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:31:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:31:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:31:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:31:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:31:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:31:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:31:45,910 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:31:45,910 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-20 00:31:45,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:31:45 BoogieIcfgContainer [2020-10-20 00:31:45,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:31:45,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:31:45,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:31:45,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:31:45,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:31:44" (1/3) ... [2020-10-20 00:31:45,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182a0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:31:45, skipping insertion in model container [2020-10-20 00:31:45,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:45" (2/3) ... [2020-10-20 00:31:45,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182a0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:31:45, skipping insertion in model container [2020-10-20 00:31:45,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:31:45" (3/3) ... [2020-10-20 00:31:45,921 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2020-10-20 00:31:45,933 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:31:45,941 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:31:45,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:31:45,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:31:45,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:31:45,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:31:45,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:31:45,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:31:45,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:31:45,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:31:45,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:31:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-20 00:31:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:31:45,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:31:45,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:31:45,997 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:31:46,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:31:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-10-20 00:31:46,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:31:46,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714602368] [2020-10-20 00:31:46,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:31:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:31:46,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:31:46,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714602368] [2020-10-20 00:31:46,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:31:46,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:31:46,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528636310] [2020-10-20 00:31:46,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:31:46,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:31:46,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:31:46,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:31:46,194 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-10-20 00:31:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:31:46,213 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-10-20 00:31:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:31:46,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-20 00:31:46,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:31:46,226 INFO L225 Difference]: With dead ends: 63 [2020-10-20 00:31:46,226 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 00:31:46,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:31:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 00:31:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 00:31:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 00:31:46,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-10-20 00:31:46,263 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-10-20 00:31:46,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:31:46,264 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-10-20 00:31:46,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:31:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-10-20 00:31:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:31:46,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:31:46,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:31:46,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:31:46,265 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:31:46,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:31:46,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-10-20 00:31:46,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:31:46,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415398959] [2020-10-20 00:31:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:31:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:31:46,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:31:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:31:46,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:31:46,557 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:31:46,558 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:31:46,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:31:46,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:31:46 BoogieIcfgContainer [2020-10-20 00:31:46,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:31:46,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:31:46,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:31:46,615 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:31:46,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:31:45" (3/4) ... [2020-10-20 00:31:46,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:31:46,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:31:46,624 INFO L168 Benchmark]: Toolchain (without parser) took 1741.22 ms. Allocated memory was 35.1 MB in the beginning and 46.7 MB in the end (delta: 11.5 MB). Free memory was 14.4 MB in the beginning and 15.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,625 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 33.0 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.15 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.4 MB in the beginning and 21.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.73 ms. Allocated memory is still 43.5 MB. Free memory was 21.4 MB in the beginning and 18.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,628 INFO L168 Benchmark]: Boogie Preprocessor took 35.71 ms. Allocated memory is still 43.5 MB. Free memory was 18.9 MB in the beginning and 17.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,629 INFO L168 Benchmark]: RCFGBuilder took 529.04 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 17.0 MB in the beginning and 18.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,630 INFO L168 Benchmark]: TraceAbstraction took 700.54 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.8 MB in the beginning and 16.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,631 INFO L168 Benchmark]: Witness Printer took 6.75 ms. Allocated memory is still 46.7 MB. Free memory was 16.2 MB in the beginning and 15.6 MB in the end (delta: 617.9 kB). Peak memory consumption was 617.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:31:46,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 33.0 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 395.15 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.4 MB in the beginning and 21.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 63.73 ms. Allocated memory is still 43.5 MB. Free memory was 21.4 MB in the beginning and 18.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 35.71 ms. Allocated memory is still 43.5 MB. Free memory was 18.9 MB in the beginning and 17.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 529.04 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 17.0 MB in the beginning and 18.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 700.54 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.8 MB in the beginning and 16.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Witness Printer took 6.75 ms. Allocated memory is still 46.7 MB. Free memory was 16.2 MB in the beginning and 15.6 MB in the end (delta: 617.9 kB). Peak memory consumption was 617.9 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L134] double x = 1.0 / 0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L138] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0931.c", 3, "reach_error") VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:31:48,765 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:31:48,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:31:48,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:31:48,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:31:48,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:31:48,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:31:48,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:31:48,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:31:48,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:31:48,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:31:48,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:31:48,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:31:48,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:31:48,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:31:48,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:31:48,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:31:48,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:31:48,872 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:31:48,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:31:48,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:31:48,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:31:48,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:31:48,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:31:48,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:31:48,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:31:48,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:31:48,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:31:48,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:31:48,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:31:48,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:31:48,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:31:48,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:31:48,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:31:48,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:31:48,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:31:48,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:31:48,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:31:48,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:31:48,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:31:48,877 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:31:48,877 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:31:48,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:31:48,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:31:48,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:31:48,878 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a345343e4b2fce1b8c67d8cf098c119a4547223 [2020-10-20 00:31:49,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:31:49,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:31:49,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:31:49,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:31:49,096 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:31:49,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2020-10-20 00:31:49,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962d7759f/8130459986664df5bdaf04237c0665d8/FLAGc77d0cc59 [2020-10-20 00:31:49,592 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:31:49,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2020-10-20 00:31:49,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962d7759f/8130459986664df5bdaf04237c0665d8/FLAGc77d0cc59 [2020-10-20 00:31:49,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962d7759f/8130459986664df5bdaf04237c0665d8 [2020-10-20 00:31:49,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:31:49,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:31:50,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:31:50,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:31:50,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:31:50,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:31:49" (1/1) ... [2020-10-20 00:31:50,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a40f77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50, skipping insertion in model container [2020-10-20 00:31:50,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:31:49" (1/1) ... [2020-10-20 00:31:50,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:31:50,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:31:50,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:31:50,379 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:31:50,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:31:50,452 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:31:50,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50 WrapperNode [2020-10-20 00:31:50,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:31:50,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:31:50,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:31:50,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:31:50,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:31:50,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:31:50,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:31:50,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:31:50,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... [2020-10-20 00:31:50,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:31:50,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:31:50,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:31:50,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:31:50,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:31:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:31:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:31:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:31:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:31:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:31:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:31:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:31:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:31:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:14,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:14,073 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-20 00:32:14,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:14 BoogieIcfgContainer [2020-10-20 00:32:14,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:14,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:14,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:14,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:14,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:31:49" (1/3) ... [2020-10-20 00:32:14,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec5fccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:14, skipping insertion in model container [2020-10-20 00:32:14,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:31:50" (2/3) ... [2020-10-20 00:32:14,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec5fccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:14, skipping insertion in model container [2020-10-20 00:32:14,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:14" (3/3) ... [2020-10-20 00:32:14,093 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2020-10-20 00:32:14,105 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:14,113 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:14,127 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:14,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:14,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:14,153 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:14,154 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:14,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:14,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:14,155 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:14,155 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-20 00:32:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:32:14,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:14,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:14,176 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:14,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:14,180 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-10-20 00:32:14,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:14,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239861645] [2020-10-20 00:32:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:15,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:32:15,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:15,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:15,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239861645] [2020-10-20 00:32:15,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:15,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:32:15,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94579307] [2020-10-20 00:32:15,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:15,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:15,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:15,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:15,170 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-10-20 00:32:15,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:15,188 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions. [2020-10-20 00:32:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:15,189 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-20 00:32:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:15,199 INFO L225 Difference]: With dead ends: 63 [2020-10-20 00:32:15,199 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 00:32:15,202 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 [2020-10-20 00:32:15,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 00:32:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 00:32:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 00:32:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-10-20 00:32:15,236 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-10-20 00:32:15,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:15,236 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-10-20 00:32:15,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-10-20 00:32:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:32:15,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:15,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:15,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:32:15,453 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-10-20 00:32:15,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:15,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790028678] [2020-10-20 00:32:15,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:16,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 00:32:16,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:16,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:16,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790028678] [2020-10-20 00:32:16,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:16,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-20 00:32:16,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383300005] [2020-10-20 00:32:16,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 00:32:16,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:16,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 00:32:16,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:32:16,681 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 6 states. [2020-10-20 00:32:16,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:16,819 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2020-10-20 00:32:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:32:16,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-20 00:32:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:16,831 INFO L225 Difference]: With dead ends: 38 [2020-10-20 00:32:16,831 INFO L226 Difference]: Without dead ends: 15 [2020-10-20 00:32:16,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:32:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-20 00:32:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-20 00:32:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-20 00:32:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-20 00:32:16,850 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2020-10-20 00:32:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:16,851 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-20 00:32:16,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 00:32:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-20 00:32:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:32:16,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:16,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:17,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:32:17,064 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:17,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:17,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2020-10-20 00:32:17,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:17,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840844537] [2020-10-20 00:32:17,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:17,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:17,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:17,666 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:32:17,667 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:32:17,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:32:17,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:17 BoogieIcfgContainer [2020-10-20 00:32:17,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:17,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:17,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:17,937 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:17,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:14" (3/4) ... [2020-10-20 00:32:17,940 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:32:18,014 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:32:18,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:18,017 INFO L168 Benchmark]: Toolchain (without parser) took 28021.95 ms. Allocated memory was 34.6 MB in the beginning and 50.9 MB in the end (delta: 16.3 MB). Free memory was 11.0 MB in the beginning and 21.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,018 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 17.9 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.75 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 10.1 MB in the beginning and 18.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.65 ms. Allocated memory is still 43.5 MB. Free memory was 18.1 MB in the beginning and 15.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,020 INFO L168 Benchmark]: Boogie Preprocessor took 57.47 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 15.7 MB in the beginning and 24.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,021 INFO L168 Benchmark]: RCFGBuilder took 23512.04 ms. Allocated memory is still 45.1 MB. Free memory was 24.8 MB in the beginning and 10.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,022 INFO L168 Benchmark]: TraceAbstraction took 3852.30 ms. Allocated memory was 45.6 MB in the beginning and 50.9 MB in the end (delta: 5.2 MB). Free memory was 26.4 MB in the beginning and 25.6 MB in the end (delta: 810.3 kB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,023 INFO L168 Benchmark]: Witness Printer took 77.48 ms. Allocated memory is still 50.9 MB. Free memory was 25.6 MB in the beginning and 21.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:18,027 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 33.0 MB. Free memory was 18.0 MB in the beginning and 17.9 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 452.75 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 10.1 MB in the beginning and 18.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 51.65 ms. Allocated memory is still 43.5 MB. Free memory was 18.1 MB in the beginning and 15.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 57.47 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 15.7 MB in the beginning and 24.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 23512.04 ms. Allocated memory is still 45.1 MB. Free memory was 24.8 MB in the beginning and 10.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3852.30 ms. Allocated memory was 45.6 MB in the beginning and 50.9 MB in the end (delta: 5.2 MB). Free memory was 26.4 MB in the beginning and 25.6 MB in the end (delta: 810.3 kB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. * Witness Printer took 77.48 ms. Allocated memory is still 50.9 MB. Free memory was 25.6 MB in the beginning and 21.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L134] double x = 1.0 / 0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L60] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L73] COND TRUE hx >= 0x7ff00000 [L74] return x + x; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L138] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0931.c", 3, "reach_error") VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 SDtfs, 21 SDslu, 4 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 5 QuantifiedInterpolants, 1750 SizeOfPredicates, 7 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...