./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e53a60f39a91e1e1920d8af49e587dad4da2ef8 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e53a60f39a91e1e1920d8af49e587dad4da2ef8 .......................................................................................................................................................................................................................................................................................................................................................................... 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-f470102 [2019-11-28 16:48:54,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:48:54,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:48:54,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:48:54,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:48:54,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:48:54,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:48:54,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:48:54,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:48:54,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:48:54,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:48:54,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:48:54,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:48:54,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:48:54,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:48:54,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:48:54,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:48:54,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:48:54,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:48:54,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:48:54,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:48:54,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:48:54,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:48:54,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:48:54,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:48:54,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:48:54,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:48:54,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:48:54,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:48:54,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:48:54,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:48:54,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:48:54,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:48:54,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:48:54,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:48:54,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:48:54,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:48:54,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:48:54,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:48:54,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:48:54,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:48:54,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:48:54,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:48:54,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:48:54,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:48:54,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:48:54,621 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:48:54,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:48:54,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:48:54,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:48:54,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:48:54,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:48:54,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:48:54,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:48:54,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:48:54,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:48:54,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:48:54,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:48:54,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:48:54,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:48:54,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:48:54,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:48:54,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:48:54,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:48:54,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:48:54,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:48:54,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:48:54,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:48:54,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:48:54,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:48:54,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:48:54,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e53a60f39a91e1e1920d8af49e587dad4da2ef8 [2019-11-28 16:48:54,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:48:54,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:48:54,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:48:54,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:48:54,946 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:48:54,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2019-11-28 16:48:55,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a29f4ad/c47317708e8240e7b3ce47ccb3b834e6/FLAG1aae7182c [2019-11-28 16:48:55,464 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:48:55,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2019-11-28 16:48:55,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a29f4ad/c47317708e8240e7b3ce47ccb3b834e6/FLAG1aae7182c [2019-11-28 16:48:55,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a29f4ad/c47317708e8240e7b3ce47ccb3b834e6 [2019-11-28 16:48:55,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:48:55,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:48:55,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:48:55,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:48:55,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:48:55,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:55" (1/1) ... [2019-11-28 16:48:55,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca64627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:55, skipping insertion in model container [2019-11-28 16:48:55,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:55" (1/1) ... [2019-11-28 16:48:55,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:48:55,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:48:56,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:48:56,102 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:48:56,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:48:56,231 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:48:56,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56 WrapperNode [2019-11-28 16:48:56,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:48:56,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:48:56,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:48:56,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:48:56,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:48:56,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:48:56,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:48:56,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:48:56,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... [2019-11-28 16:48:56,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:48:56,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:48:56,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:48:56,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:48:56,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:48:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:48:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:48:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:48:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:48:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:48:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:48:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:48:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:48:56,808 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:48:56,809 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-28 16:48:56,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:56 BoogieIcfgContainer [2019-11-28 16:48:56,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:48:56,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:48:56,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:48:56,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:48:56,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:48:55" (1/3) ... [2019-11-28 16:48:56,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11667a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:56, skipping insertion in model container [2019-11-28 16:48:56,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:56" (2/3) ... [2019-11-28 16:48:56,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11667a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:56, skipping insertion in model container [2019-11-28 16:48:56,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:56" (3/3) ... [2019-11-28 16:48:56,828 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2019-11-28 16:48:56,835 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:48:56,840 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:48:56,850 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:48:56,871 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:48:56,871 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:48:56,871 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:48:56,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:48:56,872 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:48:56,872 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:48:56,872 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:48:56,872 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:48:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-11-28 16:48:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:48:56,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:48:56,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:48:56,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:48:56,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:48:56,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2019-11-28 16:48:56,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:48:56,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883634997] [2019-11-28 16:48:56,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:48:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:48:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:48:57,028 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883634997] [2019-11-28 16:48:57,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:48:57,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:48:57,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2936736] [2019-11-28 16:48:57,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:48:57,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:48:57,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:48:57,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:48:57,051 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2019-11-28 16:48:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:48:57,068 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2019-11-28 16:48:57,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:48:57,069 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-28 16:48:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:48:57,081 INFO L225 Difference]: With dead ends: 62 [2019-11-28 16:48:57,081 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 16:48:57,085 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:48:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 16:48:57,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 16:48:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 16:48:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2019-11-28 16:48:57,123 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2019-11-28 16:48:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:48:57,124 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2019-11-28 16:48:57,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:48:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2019-11-28 16:48:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:48:57,125 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:48:57,125 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:48:57,126 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:48:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:48:57,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2019-11-28 16:48:57,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:48:57,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158365596] [2019-11-28 16:48:57,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:48:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:48:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:48:57,332 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:48:57,333 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:48:57,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:48:57 BoogieIcfgContainer [2019-11-28 16:48:57,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:48:57,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:48:57,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:48:57,403 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:48:57,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:56" (3/4) ... [2019-11-28 16:48:57,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:48:57,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:48:57,413 INFO L168 Benchmark]: Toolchain (without parser) took 1561.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:48:57,415 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:48:57,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:48:57,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:48:57,419 INFO L168 Benchmark]: Boogie Preprocessor took 39.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:48:57,420 INFO L168 Benchmark]: RCFGBuilder took 480.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:48:57,421 INFO L168 Benchmark]: TraceAbstraction took 590.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:48:57,423 INFO L168 Benchmark]: Witness Printer took 6.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:48:57,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 480.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 590.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] 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; [L43] 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] [L132] double x = 1.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __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] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] 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] [L58] 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] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] 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] [L133] double res = __ieee754_log(x); [L19] __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] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] 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] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_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, 32 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:48:59,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:48:59,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:48:59,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:48:59,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:48:59,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:48:59,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:48:59,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:48:59,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:48:59,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:48:59,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:48:59,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:48:59,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:48:59,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:48:59,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:48:59,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:48:59,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:48:59,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:48:59,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:48:59,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:48:59,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:48:59,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:48:59,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:48:59,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:48:59,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:48:59,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:48:59,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:48:59,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:48:59,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:48:59,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:48:59,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:48:59,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:48:59,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:48:59,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:48:59,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:48:59,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:48:59,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:48:59,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:48:59,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:48:59,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:48:59,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:48:59,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:48:59,489 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:48:59,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:48:59,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:48:59,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:48:59,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:48:59,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:48:59,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:48:59,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:48:59,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:48:59,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:48:59,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:48:59,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:48:59,494 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:48:59,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:48:59,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:48:59,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:48:59,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:48:59,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:48:59,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:48:59,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:48:59,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:48:59,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:48:59,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:48:59,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:48:59,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:48:59,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:48:59,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:48:59,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:48:59,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:48:59,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:48:59,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:48:59,500 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e53a60f39a91e1e1920d8af49e587dad4da2ef8 [2019-11-28 16:48:59,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:48:59,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:48:59,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:48:59,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:48:59,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:48:59,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2019-11-28 16:48:59,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e10fd932/6c226968d0234b45b82746381ba35331/FLAG39a7dc9eb [2019-11-28 16:49:00,377 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:49:00,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0931.c [2019-11-28 16:49:00,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e10fd932/6c226968d0234b45b82746381ba35331/FLAG39a7dc9eb [2019-11-28 16:49:00,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e10fd932/6c226968d0234b45b82746381ba35331 [2019-11-28 16:49:00,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:49:00,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:49:00,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:49:00,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:49:00,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:49:00,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:49:00" (1/1) ... [2019-11-28 16:49:00,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3272ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:00, skipping insertion in model container [2019-11-28 16:49:00,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:49:00" (1/1) ... [2019-11-28 16:49:00,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:49:00,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:49:01,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:49:01,051 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:49:01,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:49:01,187 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:49:01,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01 WrapperNode [2019-11-28 16:49:01,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:49:01,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:49:01,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:49:01,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:49:01,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:49:01,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:49:01,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:49:01,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:49:01,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... [2019-11-28 16:49:01,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:49:01,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:49:01,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:49:01,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:49:01,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:49:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-28 16:49:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-28 16:49:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:49:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:49:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:49:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:49:24,428 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:49:24,428 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-28 16:49:24,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:24 BoogieIcfgContainer [2019-11-28 16:49:24,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:49:24,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:49:24,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:49:24,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:49:24,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:49:00" (1/3) ... [2019-11-28 16:49:24,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab11681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:49:24, skipping insertion in model container [2019-11-28 16:49:24,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:01" (2/3) ... [2019-11-28 16:49:24,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab11681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:49:24, skipping insertion in model container [2019-11-28 16:49:24,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:24" (3/3) ... [2019-11-28 16:49:24,441 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2019-11-28 16:49:24,450 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:49:24,456 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:49:24,466 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:49:24,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:49:24,490 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:49:24,490 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:49:24,491 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:49:24,491 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:49:24,491 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:49:24,491 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:49:24,491 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:49:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-11-28 16:49:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:49:24,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:24,512 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:24,512 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:24,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:24,519 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2019-11-28 16:49:24,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:24,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918534121] [2019-11-28 16:49:24,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 16:49:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:25,478 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:49:25,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:49:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:49:25,495 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:49:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:49:25,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918534121] [2019-11-28 16:49:25,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:25,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:49:25,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855217898] [2019-11-28 16:49:25,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:49:25,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:49:25,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:49:25,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:49:25,526 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2019-11-28 16:49:25,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:25,547 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2019-11-28 16:49:25,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:49:25,549 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-28 16:49:25,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:25,560 INFO L225 Difference]: With dead ends: 62 [2019-11-28 16:49:25,561 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 16:49:25,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:49:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 16:49:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 16:49:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 16:49:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2019-11-28 16:49:25,599 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2019-11-28 16:49:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:25,600 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2019-11-28 16:49:25,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:49:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2019-11-28 16:49:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:49:25,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:25,601 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:25,802 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:49:25,803 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:25,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:25,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2019-11-28 16:49:25,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:25,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644543330] [2019-11-28 16:49:25,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 16:49:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:26,866 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:49:26,869 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:49:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:49:26,968 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:49:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:49:27,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644543330] [2019-11-28 16:49:27,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:27,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 16:49:27,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049225100] [2019-11-28 16:49:27,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:49:27,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:49:27,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:49:27,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:49:27,077 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 6 states. [2019-11-28 16:49:27,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:27,199 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2019-11-28 16:49:27,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:49:27,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-28 16:49:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:27,209 INFO L225 Difference]: With dead ends: 38 [2019-11-28 16:49:27,209 INFO L226 Difference]: Without dead ends: 15 [2019-11-28 16:49:27,210 INFO L630 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 [2019-11-28 16:49:27,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-28 16:49:27,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 16:49:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 16:49:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-28 16:49:27,216 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2019-11-28 16:49:27,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:27,216 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-28 16:49:27,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:49:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-28 16:49:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:49:27,217 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:27,217 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:27,419 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:49:27,420 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:27,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:27,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2019-11-28 16:49:27,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:27,423 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766346204] [2019-11-28 16:49:27,423 INFO L94 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 [2019-11-28 16:49:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:49:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:49:27,898 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 16:49:27,898 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:49:28,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:49:28,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:49:28 BoogieIcfgContainer [2019-11-28 16:49:28,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:49:28,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:49:28,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:49:28,217 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:49:28,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:24" (3/4) ... [2019-11-28 16:49:28,221 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 16:49:28,353 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:49:28,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:49:28,356 INFO L168 Benchmark]: Toolchain (without parser) took 27619.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -48.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:28,358 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:49:28,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:28,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:49:28,361 INFO L168 Benchmark]: Boogie Preprocessor took 47.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:28,362 INFO L168 Benchmark]: RCFGBuilder took 23141.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:28,362 INFO L168 Benchmark]: TraceAbstraction took 3776.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:28,363 INFO L168 Benchmark]: Witness Printer took 145.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:28,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 23141.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3776.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. * Witness Printer took 145.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 137]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32-L41] 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; [L43] 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] [L132] double x = 1.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __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] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] 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] [L58] 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] [L71] COND TRUE hx >= 0x7ff00000 [L72] 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] [L133] double res = __ieee754_log(x); [L19] __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] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] 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] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_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, 32 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 53 SDtfs, 33 SDslu, 3 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=32occurred 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, 96 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, 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...