/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0834_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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/float_req_bl_0834_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 1ba8be438fdf209735f867af41e44939ec8afdc4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float_req_bl_0834_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 1ba8be438fdf209735f867af41e44939ec8afdc4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:20:01,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:20:01,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:20:01,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:20:01,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:20:01,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:20:01,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:20:01,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:20:01,861 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:20:01,862 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:20:01,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:20:01,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:20:01,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:20:01,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:20:01,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:20:01,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:20:01,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:20:01,882 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:20:01,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:20:01,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:20:01,892 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:20:01,893 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:20:01,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:20:01,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:20:01,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:20:01,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:20:01,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:20:01,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:20:01,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:20:01,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:20:01,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:20:01,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:20:01,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:20:01,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:20:01,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:20:01,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:20:01,913 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:20:01,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:20:01,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:20:01,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:20:01,947 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:20:01,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:20:01,949 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:20:01,949 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:20:01,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:20:01,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:20:01,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:20:01,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:20:01,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:20:01,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:20:01,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:20:01,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:20:01,950 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:20:01,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:20:01,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:20:01,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:20:01,955 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:20:01,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:20:01,956 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:20:01,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:20:01,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:20:01,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:20:01,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:20:01,958 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:20:01,958 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:20:01,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:20:01,959 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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-09-20 15:20:02,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:20:02,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:20:02,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:20:02,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:20:02,076 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:20:02,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-09-20 15:20:02,428 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3532c01/71453562ca384fe083e1358f8f10bb2c/FLAG5f821f037 [2018-09-20 15:20:02,637 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:20:02,641 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-09-20 15:20:02,654 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3532c01/71453562ca384fe083e1358f8f10bb2c/FLAG5f821f037 [2018-09-20 15:20:02,672 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3532c01/71453562ca384fe083e1358f8f10bb2c [2018-09-20 15:20:02,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:20:02,679 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:20:02,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:20:02,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:20:02,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:20:02,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:20:02" (1/1) ... [2018-09-20 15:20:02,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491bb7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:02, skipping insertion in model container [2018-09-20 15:20:02,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:20:02" (1/1) ... [2018-09-20 15:20:02,704 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:20:02,990 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:20:03,019 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:20:03,056 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:20:03,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03 WrapperNode [2018-09-20 15:20:03,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:20:03,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:20:03,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:20:03,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:20:03,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (1/1) ... [2018-09-20 15:20:03,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:20:03,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:20:03,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:20:03,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:20:03,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (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 [2018-09-20 15:20:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:20:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:20:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:20:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-09-20 15:20:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:20:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:20:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:20:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:20:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:20:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:20:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:20:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:20:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:20:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:20:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:20:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:20:04,272 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:20:04,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:20:04 BoogieIcfgContainer [2018-09-20 15:20:04,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:20:04,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:20:04,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:20:04,278 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:20:04,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:20:02" (1/3) ... [2018-09-20 15:20:04,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b50f96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:20:04, skipping insertion in model container [2018-09-20 15:20:04,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:03" (2/3) ... [2018-09-20 15:20:04,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b50f96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:20:04, skipping insertion in model container [2018-09-20 15:20:04,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:20:04" (3/3) ... [2018-09-20 15:20:04,285 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-09-20 15:20:04,297 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:20:04,311 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:20:04,359 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:20:04,360 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:20:04,360 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:20:04,360 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:20:04,360 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:20:04,360 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:20:04,360 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:20:04,361 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:20:04,361 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:20:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-09-20 15:20:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 15:20:04,403 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:20:04,405 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] [2018-09-20 15:20:04,408 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:20:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash 403043256, now seen corresponding path program 1 times [2018-09-20 15:20:04,416 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:20:04,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:20:04,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:20:04,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:20:04,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:20:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:20:04,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:20:04,629 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:20:04,629 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:20:04,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:20:04,651 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:20:04,652 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:20:04,654 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2018-09-20 15:20:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:20:04,690 INFO L93 Difference]: Finished difference Result 194 states and 241 transitions. [2018-09-20 15:20:04,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:20:04,692 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 15:20:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:20:04,703 INFO L225 Difference]: With dead ends: 194 [2018-09-20 15:20:04,703 INFO L226 Difference]: Without dead ends: 97 [2018-09-20 15:20:04,707 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 [2018-09-20 15:20:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-09-20 15:20:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-09-20 15:20:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-09-20 15:20:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2018-09-20 15:20:04,760 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 23 [2018-09-20 15:20:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:20:04,761 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2018-09-20 15:20:04,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:20:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2018-09-20 15:20:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:20:04,764 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:20:04,764 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] [2018-09-20 15:20:04,765 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:20:04,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1164344426, now seen corresponding path program 1 times [2018-09-20 15:20:04,765 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:20:04,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:20:04,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:20:04,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:20:04,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:20:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:20:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:20:04,988 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:20:05,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:20:05 BoogieIcfgContainer [2018-09-20 15:20:05,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:20:05,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:20:05,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:20:05,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:20:05,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:20:04" (3/4) ... [2018-09-20 15:20:05,060 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:20:05,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:20:05,062 INFO L168 Benchmark]: Toolchain (without parser) took 2385.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -104.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:20:05,064 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-20 15:20:05,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:20:05,066 INFO L168 Benchmark]: Boogie Preprocessor took 86.76 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:20:05,067 INFO L168 Benchmark]: RCFGBuilder took 1073.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:20:05,068 INFO L168 Benchmark]: TraceAbstraction took 779.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:20:05,070 INFO L168 Benchmark]: Witness Printer took 7.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:20:05,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 431.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.76 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1073.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 779.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 7.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 50, overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(huge_exp)=10737418245, \old(invln2_exp)=10737418247, \old(one_exp)=10737418260, \old(P1_exp)=10737418250, \old(P2_exp)=10737418252, \old(P3_exp)=10737418255, \old(P4_exp)=10737418258, \old(P5_exp)=10737418257, \old(twom100_exp)=10737418242, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] float x = 1.0f / 0.0f; VAL [huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=10737418249, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=10737418249, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L42] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418249, gf_u={10737418256:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L43] FCALL gf_u.value = (x) VAL [\old(x)=10737418249, gf_u={10737418256:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L44] EXPR, FCALL gf_u.word VAL [\old(x)=10737418249, gf_u={10737418256:0}, gf_u.word=6442450944, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L44] (sx) = gf_u.word VAL [\old(x)=10737418249, gf_u={10737418256:0}, gf_u.word=6442450944, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L44] FCALL (sx) = gf_u.word VAL [(sx) = gf_u.word=10737418259, \old(x)=10737418249, gf_u={10737418256:0}, gf_u.word=6442450944, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L45] COND FALSE !(0) VAL [\old(x)=10737418249, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=10737418249, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=10737418249, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L131] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=10737418241, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L131] float res = __ieee754_expf(x); [L134] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418241, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L113] __int32_t ix; VAL [\old(x)=10737418241, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L115] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418241, gf_u={10737418248:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L116] FCALL gf_u.value = (x) VAL [\old(x)=10737418241, gf_u={10737418248:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L117] EXPR, FCALL gf_u.word VAL [\old(x)=10737418241, gf_u={10737418248:0}, gf_u.word=10737418240, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L117] (ix) = gf_u.word VAL [\old(x)=10737418241, gf_u={10737418248:0}, gf_u.word=10737418240, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=-2147483648, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L117] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418244, \old(x)=10737418241, gf_u={10737418248:0}, gf_u.word=10737418240, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=-2147483648, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L118] COND FALSE !(0) VAL [\old(x)=10737418241, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=-2147483648, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L119] ix &= 0x7fffffff [L120] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418241, \result=0, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418241] [L134] EXPR isinf_float(res) VAL [huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isinf_float(res)=0, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=10737418241, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] [L134] COND TRUE !isinf_float(res) [L135] __VERIFIER_error() VAL [huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=10737418241, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418249] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 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=101occurred 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, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 0.1.23-40ef509 [2018-09-20 15:20:07,504 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:20:07,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:20:07,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:20:07,523 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:20:07,524 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:20:07,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:20:07,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:20:07,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:20:07,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:20:07,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:20:07,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:20:07,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:20:07,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:20:07,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:20:07,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:20:07,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:20:07,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:20:07,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:20:07,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:20:07,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:20:07,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:20:07,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:20:07,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:20:07,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:20:07,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:20:07,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:20:07,554 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:20:07,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:20:07,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:20:07,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:20:07,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:20:07,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:20:07,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:20:07,559 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:20:07,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:20:07,560 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:20:07,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:20:07,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:20:07,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:20:07,583 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:20:07,583 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:20:07,584 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:20:07,584 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:20:07,584 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:20:07,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:20:07,585 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:20:07,585 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:20:07,585 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:20:07,585 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:20:07,585 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:20:07,586 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:20:07,586 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:20:07,586 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:20:07,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:20:07,586 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:20:07,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:20:07,587 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:20:07,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:20:07,587 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:20:07,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:20:07,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:20:07,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:20:07,590 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:20:07,590 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:20:07,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:20:07,590 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:20:07,591 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:20:07,591 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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-09-20 15:20:07,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:20:07,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:20:07,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:20:07,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:20:07,662 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:20:07,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-09-20 15:20:08,009 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20848cae/c48a68880c984a86b4a7140f05d31cb4/FLAG0cae0f43b [2018-09-20 15:20:08,157 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:20:08,158 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-09-20 15:20:08,168 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20848cae/c48a68880c984a86b4a7140f05d31cb4/FLAG0cae0f43b [2018-09-20 15:20:08,190 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20848cae/c48a68880c984a86b4a7140f05d31cb4 [2018-09-20 15:20:08,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:20:08,200 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:20:08,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:20:08,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:20:08,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:20:08,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb45e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08, skipping insertion in model container [2018-09-20 15:20:08,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,227 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:20:08,509 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:20:08,533 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:20:08,580 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:20:08,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08 WrapperNode [2018-09-20 15:20:08,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:20:08,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:20:08,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:20:08,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:20:08,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (1/1) ... [2018-09-20 15:20:08,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:20:08,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:20:08,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:20:08,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:20:08,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (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 [2018-09-20 15:20:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:20:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:20:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:20:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-09-20 15:20:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:20:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-09-20 15:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:20:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:20:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:20:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:20:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:20:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:20:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:20:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:20:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:20:09,182 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:09,251 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:18,274 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:18,293 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:18,414 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:18,443 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:18,648 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:18,658 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:20:20,740 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:20:20,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:20:20 BoogieIcfgContainer [2018-09-20 15:20:20,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:20:20,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:20:20,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:20:20,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:20:20,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:20:08" (1/3) ... [2018-09-20 15:20:20,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ad98a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:20:20, skipping insertion in model container [2018-09-20 15:20:20,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:20:08" (2/3) ... [2018-09-20 15:20:20,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ad98a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:20:20, skipping insertion in model container [2018-09-20 15:20:20,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:20:20" (3/3) ... [2018-09-20 15:20:20,752 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-09-20 15:20:20,763 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:20:20,774 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:20:20,830 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:20:20,831 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:20:20,831 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:20:20,831 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:20:20,832 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:20:20,832 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:20:20,832 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:20:20,832 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:20:20,832 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:20:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-09-20 15:20:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:20:20,879 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:20:20,880 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] [2018-09-20 15:20:20,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:20:20,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2019194445, now seen corresponding path program 1 times [2018-09-20 15:20:20,897 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:20:20,897 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 [2018-09-20 15:20:20,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:20:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:20:21,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:20:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:20:21,045 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:20:21,060 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:20:21,060 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:20:21,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:20:21,079 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:20:21,079 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:20:21,082 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-09-20 15:20:21,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:20:21,114 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2018-09-20 15:20:21,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:20:21,116 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:20:21,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:20:21,129 INFO L225 Difference]: With dead ends: 192 [2018-09-20 15:20:21,129 INFO L226 Difference]: Without dead ends: 96 [2018-09-20 15:20:21,134 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:20:21,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-09-20 15:20:21,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-09-20 15:20:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-20 15:20:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2018-09-20 15:20:21,189 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 22 [2018-09-20 15:20:21,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:20:21,190 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2018-09-20 15:20:21,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:20:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2018-09-20 15:20:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-20 15:20:21,194 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:20:21,194 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] [2018-09-20 15:20:21,195 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:20:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash -978233570, now seen corresponding path program 1 times [2018-09-20 15:20:21,196 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:20:21,199 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) [2018-09-20 15:20:21,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:20:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:20:21,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:20:21,486 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 11 treesize of output 8 [2018-09-20 15:20:21,503 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 8 treesize of output 7 [2018-09-20 15:20:21,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:20:21,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:21,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:21,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:20:21,675 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 29 treesize of output 21 [2018-09-20 15:20:21,681 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 21 treesize of output 9 [2018-09-20 15:20:21,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:20:21,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:21,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:21,689 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:20:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:20:22,025 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:20:22,044 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:20:22,044 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:20:22,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:20:22,051 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:20:22,051 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:20:22,052 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 9 states. [2018-09-20 15:20:23,153 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:20:23,407 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 15:20:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:20:34,745 INFO L93 Difference]: Finished difference Result 122 states and 131 transitions. [2018-09-20 15:20:34,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:20:34,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-20 15:20:34,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:20:34,750 INFO L225 Difference]: With dead ends: 122 [2018-09-20 15:20:34,750 INFO L226 Difference]: Without dead ends: 101 [2018-09-20 15:20:34,754 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:20:34,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-09-20 15:20:34,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 96. [2018-09-20 15:20:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-20 15:20:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2018-09-20 15:20:34,767 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 40 [2018-09-20 15:20:34,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:20:34,767 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2018-09-20 15:20:34,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:20:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2018-09-20 15:20:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-20 15:20:34,770 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:20:34,771 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] [2018-09-20 15:20:34,771 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:20:34,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2127310462, now seen corresponding path program 1 times [2018-09-20 15:20:34,772 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:20:34,773 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 [2018-09-20 15:20:34,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:20:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:20:34,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:20:34,954 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 11 treesize of output 8 [2018-09-20 15:20:34,959 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 8 treesize of output 7 [2018-09-20 15:20:34,960 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:20:34,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:34,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:34,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:20:35,001 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 29 treesize of output 21 [2018-09-20 15:20:35,006 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 21 treesize of output 9 [2018-09-20 15:20:35,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:20:35,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:35,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:35,014 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:20:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:20:35,194 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:20:35,210 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:20:35,210 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:20:35,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:20:35,211 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:20:35,211 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:20:35,211 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 9 states. [2018-09-20 15:20:46,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:20:46,763 INFO L93 Difference]: Finished difference Result 122 states and 130 transitions. [2018-09-20 15:20:46,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:20:46,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-09-20 15:20:46,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:20:46,767 INFO L225 Difference]: With dead ends: 122 [2018-09-20 15:20:46,767 INFO L226 Difference]: Without dead ends: 101 [2018-09-20 15:20:46,768 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:20:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-09-20 15:20:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 96. [2018-09-20 15:20:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-20 15:20:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2018-09-20 15:20:46,778 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 42 [2018-09-20 15:20:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:20:46,779 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2018-09-20 15:20:46,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:20:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2018-09-20 15:20:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-20 15:20:46,781 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:20:46,782 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] [2018-09-20 15:20:46,782 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:20:46,782 INFO L82 PathProgramCache]: Analyzing trace with hash -2105097026, now seen corresponding path program 1 times [2018-09-20 15:20:46,783 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:20:46,783 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 [2018-09-20 15:20:46,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:20:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:20:46,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:20:47,422 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-09-20 15:20:51,280 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 15:20:53,546 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 11 treesize of output 8 [2018-09-20 15:20:53,550 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 8 treesize of output 7 [2018-09-20 15:20:53,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:20:53,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:53,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:53,568 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:20:54,431 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 29 treesize of output 21 [2018-09-20 15:20:54,439 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 21 treesize of output 9 [2018-09-20 15:20:54,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:20:54,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:54,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:20:54,447 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:20:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:20:57,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:20:57,350 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:20:57,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-20 15:20:57,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-20 15:20:57,352 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-20 15:20:57,352 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:20:57,352 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand 14 states. [2018-09-20 15:21:00,335 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-20 15:21:04,504 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 15:21:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:21:29,408 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2018-09-20 15:21:29,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 15:21:29,427 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 43 [2018-09-20 15:21:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:21:29,429 INFO L225 Difference]: With dead ends: 108 [2018-09-20 15:21:29,429 INFO L226 Difference]: Without dead ends: 100 [2018-09-20 15:21:29,430 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-09-20 15:21:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-20 15:21:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2018-09-20 15:21:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-20 15:21:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2018-09-20 15:21:29,443 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 43 [2018-09-20 15:21:29,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:21:29,443 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2018-09-20 15:21:29,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-20 15:21:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2018-09-20 15:21:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-20 15:21:29,446 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:21:29,447 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] [2018-09-20 15:21:29,447 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:21:29,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1886242308, now seen corresponding path program 1 times [2018-09-20 15:21:29,448 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:21:29,448 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:21:29,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:21:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:21:29,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:21:29,608 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 11 treesize of output 8 [2018-09-20 15:21:29,619 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 8 treesize of output 7 [2018-09-20 15:21:29,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:21:29,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:29,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:29,639 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:21:29,667 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 29 treesize of output 21 [2018-09-20 15:21:29,671 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 21 treesize of output 9 [2018-09-20 15:21:29,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:21:29,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:29,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:29,681 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:21:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:21:29,839 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:21:29,860 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:21:29,860 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:21:29,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:21:29,861 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:21:29,861 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:21:29,861 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 9 states. [2018-09-20 15:21:39,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:21:39,451 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2018-09-20 15:21:39,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:21:39,453 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-09-20 15:21:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:21:39,455 INFO L225 Difference]: With dead ends: 120 [2018-09-20 15:21:39,455 INFO L226 Difference]: Without dead ends: 97 [2018-09-20 15:21:39,457 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:21:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-09-20 15:21:39,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2018-09-20 15:21:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-09-20 15:21:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2018-09-20 15:21:39,464 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 43 [2018-09-20 15:21:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:21:39,465 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2018-09-20 15:21:39,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:21:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2018-09-20 15:21:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-20 15:21:39,467 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:21:39,467 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] [2018-09-20 15:21:39,469 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:21:39,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1971597138, now seen corresponding path program 1 times [2018-09-20 15:21:39,470 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:21:39,470 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:21:39,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:21:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:21:40,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:21:40,339 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 11 treesize of output 8 [2018-09-20 15:21:40,346 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 8 treesize of output 7 [2018-09-20 15:21:40,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:21:40,351 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:40,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:40,361 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:21:40,384 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 29 treesize of output 21 [2018-09-20 15:21:40,388 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 21 treesize of output 9 [2018-09-20 15:21:40,388 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:21:40,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:40,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:40,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:21:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:21:40,571 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:21:40,591 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:21:40,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:21:40,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:21:40,593 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:21:40,593 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:21:40,593 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand 9 states. [2018-09-20 15:21:50,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:21:50,787 INFO L93 Difference]: Finished difference Result 162 states and 167 transitions. [2018-09-20 15:21:50,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:21:50,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-09-20 15:21:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:21:50,790 INFO L225 Difference]: With dead ends: 162 [2018-09-20 15:21:50,790 INFO L226 Difference]: Without dead ends: 92 [2018-09-20 15:21:50,791 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:21:50,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-09-20 15:21:50,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-09-20 15:21:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-09-20 15:21:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2018-09-20 15:21:50,807 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 47 [2018-09-20 15:21:50,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:21:50,808 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2018-09-20 15:21:50,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:21:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2018-09-20 15:21:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 15:21:50,811 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:21:50,811 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] [2018-09-20 15:21:50,811 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:21:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1928764917, now seen corresponding path program 1 times [2018-09-20 15:21:50,812 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:21:50,812 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:21:50,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:21:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:21:51,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:21:51,999 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 11 treesize of output 8 [2018-09-20 15:21:52,005 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 8 treesize of output 7 [2018-09-20 15:21:52,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:21:52,008 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:52,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:52,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:21:52,042 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 29 treesize of output 21 [2018-09-20 15:21:52,063 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 21 treesize of output 9 [2018-09-20 15:21:52,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:21:52,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:52,117 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:21:52,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:21:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:21:52,326 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:21:52,360 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:21:52,360 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:21:52,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:21:52,361 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:21:52,361 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:21:52,361 INFO L87 Difference]: Start difference. First operand 92 states and 93 transitions. Second operand 9 states. [2018-09-20 15:22:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:22:02,341 INFO L93 Difference]: Finished difference Result 92 states and 93 transitions. [2018-09-20 15:22:02,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:22:02,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2018-09-20 15:22:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:22:02,345 INFO L225 Difference]: With dead ends: 92 [2018-09-20 15:22:02,345 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:22:02,346 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:22:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:22:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:22:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:22:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:22:02,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-09-20 15:22:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:22:02,349 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:22:02,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:22:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:22:02,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:22:02,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:22:02,699 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-20 15:22:02,699 INFO L426 ceAbstractionStarter]: For program point isnan_floatENTRY(line 13) no Hoare annotation was computed. [2018-09-20 15:22:02,699 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-20 15:22:02,699 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-20 15:22:02,699 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:22:02,699 INFO L426 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L85-3(line 85) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-09-20 15:22:02,700 INFO L426 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L103-2(line 103) no Hoare annotation was computed. [2018-09-20 15:22:02,701 INFO L426 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-09-20 15:22:02,706 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-09-20 15:22:02,707 INFO L429 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-09-20 15:22:02,707 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-09-20 15:22:02,707 INFO L426 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-09-20 15:22:02,707 INFO L426 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-09-20 15:22:02,707 INFO L426 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2018-09-20 15:22:02,707 INFO L426 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-09-20 15:22:02,707 INFO L426 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-09-20 15:22:02,708 INFO L422 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-09-20 15:22:02,708 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-09-20 15:22:02,708 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-09-20 15:22:02,708 INFO L426 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-09-20 15:22:02,708 INFO L426 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-09-20 15:22:02,708 INFO L426 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-09-20 15:22:02,708 INFO L426 ceAbstractionStarter]: For program point L98-2(line 98) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L98-3(line 98) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L90-2(line 90) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L90-3(line 90) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-09-20 15:22:02,713 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-09-20 15:22:02,714 INFO L426 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-09-20 15:22:02,714 INFO L422 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-09-20 15:22:02,714 INFO L426 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-09-20 15:22:02,714 INFO L426 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-09-20 15:22:02,714 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-20 15:22:02,714 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-09-20 15:22:02,714 INFO L426 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-09-20 15:22:02,716 INFO L426 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L42-3(line 42) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L92-2(line 92) no Hoare annotation was computed. [2018-09-20 15:22:02,717 INFO L426 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L422 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-09-20 15:22:02,718 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-20 15:22:02,719 INFO L426 ceAbstractionStarter]: For program point L117-2(line 117) no Hoare annotation was computed. [2018-09-20 15:22:02,719 INFO L426 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2018-09-20 15:22:02,719 INFO L426 ceAbstractionStarter]: For program point L115-2(line 115) no Hoare annotation was computed. [2018-09-20 15:22:02,719 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2018-09-20 15:22:02,719 INFO L426 ceAbstractionStarter]: For program point L115-3(line 115) no Hoare annotation was computed. [2018-09-20 15:22:02,719 INFO L429 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 112 121) the Hoare annotation is: true [2018-09-20 15:22:02,719 INFO L422 ceAbstractionStarter]: At program point L114-3(lines 114 118) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-09-20 15:22:02,724 INFO L426 ceAbstractionStarter]: For program point L114-4(lines 114 118) no Hoare annotation was computed. [2018-09-20 15:22:02,725 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 112 121) no Hoare annotation was computed. [2018-09-20 15:22:02,725 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 112 121) no Hoare annotation was computed. [2018-09-20 15:22:02,725 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:22:02,725 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:22:02,725 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:22:02,725 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:22:02,725 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:22:02,725 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:22:02,725 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:22:02,726 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2018-09-20 15:22:02,726 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 123 140) the Hoare annotation is: true [2018-09-20 15:22:02,726 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 123 140) no Hoare annotation was computed. [2018-09-20 15:22:02,726 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 123 140) no Hoare annotation was computed. [2018-09-20 15:22:02,726 INFO L426 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-09-20 15:22:02,726 INFO L422 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE .cse0)) main_~res~0) (= .cse0 main_~x~0))) [2018-09-20 15:22:02,726 INFO L426 ceAbstractionStarter]: For program point L134-1(lines 134 137) no Hoare annotation was computed. [2018-09-20 15:22:02,727 INFO L422 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:22:02,727 INFO L426 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-09-20 15:22:02,738 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,739 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,739 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,739 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,749 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,749 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,749 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,749 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,753 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,754 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,754 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,754 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,755 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,756 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,756 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,756 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:22:02 BoogieIcfgContainer [2018-09-20 15:22:02,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:22:02,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:22:02,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:22:02,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:22:02,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:20:20" (3/4) ... [2018-09-20 15:22:02,768 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:22:02,776 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:22:02,776 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-09-20 15:22:02,776 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:22:02,776 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-09-20 15:22:02,777 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:22:02,786 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-09-20 15:22:02,786 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-20 15:22:02,787 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:22:02,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:22:02,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:22:02,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-09-20 15:22:02,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-09-20 15:22:02,908 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:22:02,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:22:02,913 INFO L168 Benchmark]: Toolchain (without parser) took 114716.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -64.5 MB). Peak memory consumption was 143.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:22:02,914 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-20 15:22:02,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:22:02,915 INFO L168 Benchmark]: Boogie Preprocessor took 60.08 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:22:02,915 INFO L168 Benchmark]: RCFGBuilder took 12062.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:22:02,918 INFO L168 Benchmark]: TraceAbstraction took 102018.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:22:02,919 INFO L168 Benchmark]: Witness Printer took 151.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:22:02,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 416.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.08 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 12062.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102018.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. * Witness Printer took 151.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant [2018-09-20 15:22:02,934 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,935 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,935 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,935 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,935 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,936 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,936 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,936 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-09-20 15:22:02,941 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,942 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,942 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,942 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,942 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,942 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,943 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-09-20 15:22:02,943 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. SAFE Result, 101.9s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 86.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 594 SDtfs, 413 SDslu, 3419 SDs, 0 SdLazy, 714 SolverSat, 17 SolverUnsat, 23 SolverUnknown, 0 SolverNotchecked, 70.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 23.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 29 NumberOfFragments, 79 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 278 ConstructedInterpolants, 37 QuantifiedInterpolants, 67726 SizeOfPredicates, 49 NumberOfNonLiveVariables, 839 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...