/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 Calling Ultimate with: 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.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 78c6d2d68aa498895f40ed0a4a24644b21119801 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.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 78c6d2d68aa498895f40ed0a4a24644b21119801 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:08:24,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:08:24,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:08:24,964 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:08:24,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:08:24,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:08:24,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:08:24,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:08:24,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:08:24,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:08:24,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:08:24,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:08:24,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:08:24,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:08:24,991 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:08:24,992 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:08:24,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:08:24,995 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:08:24,998 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:08:25,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:08:25,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:08:25,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:08:25,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:08:25,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:08:25,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:08:25,013 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:08:25,014 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:08:25,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:08:25,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:08:25,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:08:25,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:08:25,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:08:25,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:08:25,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:08:25,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:08:25,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:08:25,020 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:08:25,042 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:08:25,042 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:08:25,043 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:08:25,043 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:08:25,045 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:08:25,046 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:08:25,046 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:08:25,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:08:25,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:08:25,046 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:08:25,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:08:25,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:08:25,047 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:08:25,047 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:08:25,049 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:08:25,049 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:08:25,049 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:08:25,049 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:08:25,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:08:25,050 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:08:25,050 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:08:25,050 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:08:25,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:08:25,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:08:25,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:08:25,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:08:25,053 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:08:25,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:08:25,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:08:25,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 78c6d2d68aa498895f40ed0a4a24644b21119801 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:08:25,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:08:25,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:08:25,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:08:25,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:08:25,164 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:08:25,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.c [2018-09-21 18:08:25,523 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9981ed62f/8dc3a53f58794d8a896bd0ac365a4c4e/FLAG7cc880fd6 [2018-09-21 18:08:25,806 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:08:25,810 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.c [2018-09-21 18:08:25,832 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9981ed62f/8dc3a53f58794d8a896bd0ac365a4c4e/FLAG7cc880fd6 [2018-09-21 18:08:25,864 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9981ed62f/8dc3a53f58794d8a896bd0ac365a4c4e [2018-09-21 18:08:25,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:08:25,878 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:08:25,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:25,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:08:25,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:08:25,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:25" (1/1) ... [2018-09-21 18:08:25,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2e6433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:25, skipping insertion in model container [2018-09-21 18:08:25,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:25" (1/1) ... [2018-09-21 18:08:25,927 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:08:26,304 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:26,344 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:08:26,411 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:26,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26 WrapperNode [2018-09-21 18:08:26,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:26,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:08:26,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:08:26,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:08:26,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (1/1) ... [2018-09-21 18:08:26,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:08:26,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:08:26,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:08:26,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:08:26,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (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 [2018-09-21 18:08:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:08:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:08:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:08:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:08:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-09-21 18:08:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:08:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:08:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:08:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:08:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:08:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:08:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:08:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:08:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-09-21 18:08:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:08:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:08:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:08:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:08:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:08:28,032 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:08:28,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:08:28 BoogieIcfgContainer [2018-09-21 18:08:28,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:08:28,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:08:28,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:08:28,038 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:08:28,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:08:25" (1/3) ... [2018-09-21 18:08:28,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ea4d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:08:28, skipping insertion in model container [2018-09-21 18:08:28,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:26" (2/3) ... [2018-09-21 18:08:28,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ea4d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:08:28, skipping insertion in model container [2018-09-21 18:08:28,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:08:28" (3/3) ... [2018-09-21 18:08:28,044 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b_true-unreach-call.c [2018-09-21 18:08:28,054 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:08:28,066 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:08:28,120 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:08:28,121 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:08:28,121 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:08:28,121 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:08:28,122 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:08:28,122 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:08:28,122 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:08:28,122 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:08:28,122 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:08:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-09-21 18:08:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-21 18:08:28,166 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:08:28,168 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:08:28,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:08:28,184 INFO L82 PathProgramCache]: Analyzing trace with hash 435969039, now seen corresponding path program 1 times [2018-09-21 18:08:28,188 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:08:28,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:08:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:28,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:08:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:08:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:08:28,410 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:08:28,410 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:08:28,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:08:28,438 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:08:28,439 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:08:28,442 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-09-21 18:08:28,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:08:28,491 INFO L93 Difference]: Finished difference Result 133 states and 147 transitions. [2018-09-21 18:08:28,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:08:28,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-21 18:08:28,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:08:28,511 INFO L225 Difference]: With dead ends: 133 [2018-09-21 18:08:28,512 INFO L226 Difference]: Without dead ends: 129 [2018-09-21 18:08:28,514 INFO L606 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 [2018-09-21 18:08:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-09-21 18:08:28,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-09-21 18:08:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-21 18:08:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 143 transitions. [2018-09-21 18:08:28,573 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 143 transitions. Word has length 24 [2018-09-21 18:08:28,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:08:28,574 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 143 transitions. [2018-09-21 18:08:28,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:08:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2018-09-21 18:08:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 18:08:28,577 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:08:28,577 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:08:28,577 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:08:28,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1381142620, now seen corresponding path program 1 times [2018-09-21 18:08:28,578 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:08:28,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:08:28,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:28,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:08:28,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:08:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:08:28,935 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:08:29,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:08:29 BoogieIcfgContainer [2018-09-21 18:08:29,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:08:29,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:08:29,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:08:29,043 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:08:29,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:08:28" (3/4) ... [2018-09-21 18:08:29,053 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:08:29,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:08:29,056 INFO L168 Benchmark]: Toolchain (without parser) took 3181.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -98.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:29,060 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:08:29,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.99 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:29,064 INFO L168 Benchmark]: Boogie Preprocessor took 143.91 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:08:29,065 INFO L168 Benchmark]: RCFGBuilder took 1403.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:29,068 INFO L168 Benchmark]: TraceAbstraction took 1008.34 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:29,069 INFO L168 Benchmark]: Witness Printer took 10.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:08:29,077 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 598.99 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.91 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1403.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1008.34 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. * Witness Printer took 10.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 186]: 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 someUnaryDOUBLEoperation at line 181, overapproximation of someBinaryArithmeticDOUBLEoperation at line 160, 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; [L126-L129] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L131] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=10737418251, \old(Lg1_log)=10737418247, \old(Lg2_log)=10737418249, \old(Lg3_log)=10737418250, \old(Lg4_log)=10737418253, \old(Lg5_log)=10737418255, \old(Lg6_log)=10737418263, \old(Lg7_log)=10737418259, \old(ln2_hi_log)=10737418241, \old(ln2_lo_log)=10737418243, \old(log10_2hi_log10)=10737418244, \old(log10_2lo_log10)=10737418261, \old(two54_log)=10737418264, \old(two54_log10)=10737418245, \old(zero)=10737418265, \old(zero_log10)=10737418256, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L181] double x = -0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=10737418260, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L134] double y, z; [L135] __int32_t i, k, hx; [L136] __uint32_t lx; VAL [\old(x)=10737418260, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L139] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418260, ew_u={10737418246:0}, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L140] FCALL ew_u.value = (x) VAL [\old(x)=10737418260, ew_u={10737418246:0}, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L141] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418260, ew_u={10737418246:0}, ew_u.parts.msw=6442450943, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L141] (hx) = ew_u.parts.msw VAL [\old(x)=10737418260, ew_u={10737418246:0}, ew_u.parts.msw=6442450943, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L141] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418258, \old(x)=10737418260, ew_u={10737418246:0}, ew_u.parts.msw=6442450943, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L142] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418260, ew_u={10737418246:0}, ew_u.parts.lsw=10737418240, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L142] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418260, ew_u={10737418246:0}, ew_u.parts.lsw=10737418240, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L142] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418262, \old(x)=10737418260, ew_u={10737418246:0}, ew_u.parts.lsw=10737418240, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L143] COND FALSE !(0) VAL [\old(x)=10737418260, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L145] k = 0 VAL [\old(x)=10737418260, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, k=0, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L146] COND FALSE !(hx < 0x00100000) VAL [\old(x)=10737418260, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, k=0, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L159] COND TRUE hx >= 0x7ff00000 [L160] RET return x + x; VAL [\old(x)=10737418260, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, k=0, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L182] EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=10737418254, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L182] double res = __ieee754_log10(x); [L185] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418254, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L19] __int32_t hx, lx; VAL [\old(x)=10737418254, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L21] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418254, ew_u={10737418246:0}, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L22] FCALL ew_u.value = (x) VAL [\old(x)=10737418254, ew_u={10737418246:0}, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L23] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418254, ew_u={10737418246:0}, ew_u.parts.msw=6442450943, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L23] (hx) = ew_u.parts.msw VAL [\old(x)=10737418254, ew_u={10737418246:0}, ew_u.parts.msw=6442450943, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L23] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418242, \old(x)=10737418254, ew_u={10737418246:0}, ew_u.parts.msw=6442450943, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L24] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418254, ew_u={10737418246:0}, ew_u.parts.lsw=10737418240, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L24] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418254, ew_u={10737418246:0}, ew_u.parts.lsw=10737418240, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L24] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418248, \old(x)=10737418254, ew_u={10737418246:0}, ew_u.parts.lsw=10737418240, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L25] COND FALSE !(0) VAL [\old(x)=10737418254, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418254, \result=0, hx=2146435073, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418254, zero=0, zero_log10=0] [L185] EXPR isinf_double(res) VAL [isinf_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=10737418254, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=10737418254, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418260, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 133 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 147 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=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-5eb3fea [2018-09-21 18:08:31,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:08:31,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:08:31,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:08:31,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:08:31,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:08:31,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:08:31,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:08:31,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:08:31,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:08:31,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:08:31,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:08:31,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:08:31,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:08:31,869 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:08:31,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:08:31,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:08:31,886 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:08:31,888 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:08:31,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:08:31,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:08:31,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:08:31,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:08:31,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:08:31,907 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:08:31,910 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:08:31,911 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:08:31,912 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:08:31,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:08:31,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:08:31,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:08:31,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:08:31,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:08:31,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:08:31,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:08:31,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:08:31,922 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:08:31,952 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:08:31,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:08:31,953 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:08:31,954 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:08:31,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:08:31,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:08:31,956 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:08:31,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:08:31,956 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:08:31,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:08:31,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:08:31,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:08:31,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:08:31,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:08:31,957 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:08:31,958 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:08:31,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:08:31,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:08:31,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:08:31,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:08:31,961 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:08:31,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:08:31,961 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:08:31,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:08:31,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:08:31,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:08:31,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:08:31,963 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:08:31,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:08:31,963 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:08:31,963 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:08:31,963 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 78c6d2d68aa498895f40ed0a4a24644b21119801 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:08:32,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:08:32,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:08:32,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:08:32,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:08:32,060 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:08:32,061 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.c [2018-09-21 18:08:32,444 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb27226a/b57300bbe6c2459f9bccd93e8b1b7b2e/FLAGf2c925f57 [2018-09-21 18:08:32,741 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:08:32,742 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0960b_true-unreach-call.c [2018-09-21 18:08:32,753 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb27226a/b57300bbe6c2459f9bccd93e8b1b7b2e/FLAGf2c925f57 [2018-09-21 18:08:32,772 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb27226a/b57300bbe6c2459f9bccd93e8b1b7b2e [2018-09-21 18:08:32,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:08:32,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:08:32,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:32,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:08:32,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:08:32,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:32" (1/1) ... [2018-09-21 18:08:32,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9b5465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:32, skipping insertion in model container [2018-09-21 18:08:32,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:32" (1/1) ... [2018-09-21 18:08:32,815 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:08:33,180 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:33,203 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:08:33,308 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:33,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33 WrapperNode [2018-09-21 18:08:33,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:33,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:08:33,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:08:33,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:08:33,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (1/1) ... [2018-09-21 18:08:33,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:08:33,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:08:33,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:08:33,447 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:08:33,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (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 [2018-09-21 18:08:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:08:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:08:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:08:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:08:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-09-21 18:08:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:08:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:08:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:08:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:08:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:08:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:08:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:08:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:08:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:08:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:08:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:08:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-09-21 18:08:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:08:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:08:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:08:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:08:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:08:33,890 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:33,942 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:34,005 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:39,709 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:39,731 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:40,049 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:45,323 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:45,371 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:45,484 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:06,308 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:06,322 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:06,337 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:08,799 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:08,834 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:08,846 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:08,914 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:09:08,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:09:08 BoogieIcfgContainer [2018-09-21 18:09:08,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:09:08,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:09:08,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:09:08,920 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:09:08,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:08:32" (1/3) ... [2018-09-21 18:09:08,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c61c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:09:08, skipping insertion in model container [2018-09-21 18:09:08,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:33" (2/3) ... [2018-09-21 18:09:08,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c61c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:09:08, skipping insertion in model container [2018-09-21 18:09:08,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:09:08" (3/3) ... [2018-09-21 18:09:08,928 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b_true-unreach-call.c [2018-09-21 18:09:08,941 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:09:08,955 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:09:09,006 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:09:09,008 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:09:09,008 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:09:09,008 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:09:09,008 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:09:09,009 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:09:09,009 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:09:09,009 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:09:09,009 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:09:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-09-21 18:09:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-21 18:09:09,053 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:09,055 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:09,060 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:09,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1720639717, now seen corresponding path program 1 times [2018-09-21 18:09:09,074 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:09,075 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-21 18:09:09,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:09,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:09,344 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:09,367 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:09,368 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:09:09,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:09:09,392 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:09:09,393 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:09:09,396 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-09-21 18:09:09,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:09,434 INFO L93 Difference]: Finished difference Result 132 states and 146 transitions. [2018-09-21 18:09:09,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:09:09,437 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-21 18:09:09,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:09,459 INFO L225 Difference]: With dead ends: 132 [2018-09-21 18:09:09,461 INFO L226 Difference]: Without dead ends: 128 [2018-09-21 18:09:09,464 INFO L606 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 [2018-09-21 18:09:09,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-09-21 18:09:09,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-09-21 18:09:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-09-21 18:09:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 142 transitions. [2018-09-21 18:09:09,527 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 142 transitions. Word has length 23 [2018-09-21 18:09:09,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:09,528 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 142 transitions. [2018-09-21 18:09:09,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:09:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2018-09-21 18:09:09,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-21 18:09:09,531 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:09,531 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:09,531 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:09,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1808847980, now seen corresponding path program 1 times [2018-09-21 18:09:09,534 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:09,534 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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) [2018-09-21 18:09:09,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 18:09:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:09,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:09,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 18:09:09,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:09:09,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:09,975 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:10,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:10,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:09:10,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 18:09:10,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:09:10,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:10,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:10,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:10,275 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:09:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:10,724 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:10,743 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:10,744 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:09:10,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:09:10,748 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:09:10,748 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:09:10,749 INFO L87 Difference]: Start difference. First operand 128 states and 142 transitions. Second operand 8 states. [2018-09-21 18:09:11,561 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 18:09:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:21,868 INFO L93 Difference]: Finished difference Result 147 states and 161 transitions. [2018-09-21 18:09:21,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-21 18:09:21,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-09-21 18:09:21,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:21,876 INFO L225 Difference]: With dead ends: 147 [2018-09-21 18:09:21,876 INFO L226 Difference]: Without dead ends: 128 [2018-09-21 18:09:21,877 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:09:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-09-21 18:09:21,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-09-21 18:09:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-09-21 18:09:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 141 transitions. [2018-09-21 18:09:21,894 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 141 transitions. Word has length 49 [2018-09-21 18:09:21,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:21,895 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 141 transitions. [2018-09-21 18:09:21,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:09:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2018-09-21 18:09:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-21 18:09:21,898 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:21,898 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:21,898 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:21,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1401543797, now seen corresponding path program 1 times [2018-09-21 18:09:21,899 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:21,899 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-21 18:09:21,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:23,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:25,238 WARN L178 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-21 18:09:25,357 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:25,363 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:25,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-09-21 18:09:25,377 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:25,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-21 18:09:25,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:25,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:25,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:25,555 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:09:25,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2018-09-21 18:09:25,932 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:25,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-09-21 18:09:25,960 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:26,004 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:26,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:26,064 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-21 18:09:28,237 WARN L178 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-21 18:09:28,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-09-21 18:09:28,269 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:28,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-09-21 18:09:28,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:28,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:28,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:28,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-21 18:09:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:29,060 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:29,087 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:29,087 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-21 18:09:29,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-21 18:09:29,088 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-21 18:09:29,088 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:09:29,089 INFO L87 Difference]: Start difference. First operand 128 states and 141 transitions. Second operand 15 states. [2018-09-21 18:09:41,083 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-21 18:09:41,610 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-21 18:09:42,004 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-21 18:09:42,432 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-21 18:09:43,236 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 18:09:44,019 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 18:09:44,843 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 18:09:45,575 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-09-21 18:09:51,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:51,021 INFO L93 Difference]: Finished difference Result 135 states and 148 transitions. [2018-09-21 18:09:51,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-21 18:09:51,022 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-09-21 18:09:51,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:51,027 INFO L225 Difference]: With dead ends: 135 [2018-09-21 18:09:51,028 INFO L226 Difference]: Without dead ends: 130 [2018-09-21 18:09:51,029 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2018-09-21 18:09:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-21 18:09:51,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2018-09-21 18:09:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-09-21 18:09:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 140 transitions. [2018-09-21 18:09:51,044 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 140 transitions. Word has length 49 [2018-09-21 18:09:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:51,044 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 140 transitions. [2018-09-21 18:09:51,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-21 18:09:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2018-09-21 18:09:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 18:09:51,048 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:51,048 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:51,049 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:51,049 INFO L82 PathProgramCache]: Analyzing trace with hash -182050664, now seen corresponding path program 1 times [2018-09-21 18:09:51,050 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:51,050 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 18:09:51,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:52,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:52,502 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:52,507 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:52,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-09-21 18:09:52,522 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:52,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-21 18:09:52,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:52,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:52,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:52,605 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:09:52,836 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:52,838 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:52,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 56 [2018-09-21 18:09:52,853 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:52,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-21 18:09:52,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:52,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:52,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:52,988 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-21 18:09:53,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-09-21 18:09:53,125 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:53,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-21 18:09:53,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:53,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:53,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:53,207 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-21 18:09:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:53,562 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:53,589 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:53,590 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-21 18:09:53,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-21 18:09:53,590 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-21 18:09:53,591 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-09-21 18:09:53,591 INFO L87 Difference]: Start difference. First operand 128 states and 140 transitions. Second operand 10 states. [2018-09-21 18:09:54,622 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-21 18:09:54,848 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 18:10:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:10:01,798 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2018-09-21 18:10:01,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-21 18:10:01,800 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-09-21 18:10:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:10:01,801 INFO L225 Difference]: With dead ends: 105 [2018-09-21 18:10:01,801 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:10:01,802 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-09-21 18:10:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:10:01,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:10:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:10:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:10:01,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-09-21 18:10:01,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:10:01,805 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:10:01,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-21 18:10:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:10:01,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:10:01,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:10:01 BoogieIcfgContainer [2018-09-21 18:10:01,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:10:01,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:10:01,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:10:01,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:10:01,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:09:08" (3/4) ... [2018-09-21 18:10:01,821 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:10:01,832 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:10:01,833 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-09-21 18:10:01,833 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-21 18:10:01,833 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-21 18:10:01,833 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:10:01,845 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-09-21 18:10:01,846 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-09-21 18:10:01,847 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-21 18:10:01,847 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:10:01,958 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:10:01,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:10:01,959 INFO L168 Benchmark]: Toolchain (without parser) took 89181.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:01,963 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:10:01,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.71 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:01,964 INFO L168 Benchmark]: Boogie Preprocessor took 84.37 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:01,964 INFO L168 Benchmark]: RCFGBuilder took 35468.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 929.0 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:01,965 INFO L168 Benchmark]: TraceAbstraction took 52897.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:01,966 INFO L168 Benchmark]: Witness Printer took 143.95 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:01,971 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.71 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.37 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 35468.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 929.0 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52897.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 143.95 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 132 locations, 1 error locations. SAFE Result, 52.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 41.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 505 SDtfs, 242 SDslu, 2559 SDs, 0 SdLazy, 481 SolverSat, 32 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 32.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 167 ConstructedInterpolants, 48 QuantifiedInterpolants, 72512 SizeOfPredicates, 27 NumberOfNonLiveVariables, 543 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...