/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_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 f9996153423fecedcbbebbb98f8557ca25433f0f --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_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 f9996153423fecedcbbebbb98f8557ca25433f0f --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:05:53,546 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:05:53,548 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:05:53,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:05:53,562 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:05:53,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:05:53,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:05:53,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:05:53,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:05:53,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:05:53,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:05:53,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:05:53,572 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:05:53,574 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:05:53,575 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:05:53,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:05:53,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:05:53,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:05:53,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:05:53,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:05:53,585 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:05:53,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:05:53,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:05:53,590 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:05:53,590 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:05:53,591 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:05:53,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:05:53,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:05:53,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:05:53,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:05:53,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:05:53,597 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:05:53,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:05:53,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:05:53,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:05:53,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:05:53,600 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:05:53,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:05:53,617 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:05:53,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:05:53,618 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:05:53,619 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:05:53,619 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:05:53,620 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:05:53,620 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:05:53,620 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:05:53,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:05:53,620 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:05:53,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:05:53,621 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:05:53,621 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:05:53,622 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:05:53,622 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:05:53,622 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:05:53,622 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:05:53,623 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:05:53,623 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:05:53,624 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:05:53,624 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:05:53,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:53,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:05:53,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:05:53,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:05:53,625 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:05:53,625 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:05:53,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:05:53,625 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 -> f9996153423fecedcbbebbb98f8557ca25433f0f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:05:53,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:05:53,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:05:53,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:05:53,695 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:05:53,695 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:05:53,696 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-21 18:05:54,040 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7728e179/b0e6ef352dda40619becae1731f074f8/FLAG87b6c8984 [2018-09-21 18:05:54,262 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:05:54,263 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-21 18:05:54,271 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7728e179/b0e6ef352dda40619becae1731f074f8/FLAG87b6c8984 [2018-09-21 18:05:54,289 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7728e179/b0e6ef352dda40619becae1731f074f8 [2018-09-21 18:05:54,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:05:54,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:05:54,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:54,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:05:54,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:05:54,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a060c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54, skipping insertion in model container [2018-09-21 18:05:54,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,322 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:05:54,610 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:05:54,629 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:05:54,673 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:05:54,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54 WrapperNode [2018-09-21 18:05:54,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:54,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:05:54,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:05:54,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:05:54,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... [2018-09-21 18:05:54,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:05:54,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:05:54,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:05:54,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:05:54,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:05:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:05:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:05:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:05:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-21 18:05:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:05:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:05:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:05:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:05:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:05:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:05:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:05:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:05:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:05:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:05:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:05:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:05:55,876 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:05:55,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:55 BoogieIcfgContainer [2018-09-21 18:05:55,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:05:55,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:05:55,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:05:55,881 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:05:55,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:05:54" (1/3) ... [2018-09-21 18:05:55,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cdf487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:05:55, skipping insertion in model container [2018-09-21 18:05:55,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:54" (2/3) ... [2018-09-21 18:05:55,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cdf487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:05:55, skipping insertion in model container [2018-09-21 18:05:55,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:55" (3/3) ... [2018-09-21 18:05:55,885 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b_true-unreach-call.c [2018-09-21 18:05:55,895 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:05:55,903 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:05:55,944 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:05:55,945 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:05:55,945 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:05:55,945 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:05:55,945 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:05:55,945 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:05:55,945 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:05:55,946 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:05:55,946 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:05:55,965 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-09-21 18:05:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 18:05:55,977 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:05:55,978 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] [2018-09-21 18:05:55,980 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:05:55,986 INFO L82 PathProgramCache]: Analyzing trace with hash 941814270, now seen corresponding path program 1 times [2018-09-21 18:05:55,988 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:05:55,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:05:56,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:56,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:05:56,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:05:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:05:56,177 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:05:56,177 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:05:56,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:05:56,197 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:05:56,198 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:05:56,201 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2018-09-21 18:05:56,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:05:56,223 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2018-09-21 18:05:56,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:05:56,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 18:05:56,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:05:56,237 INFO L225 Difference]: With dead ends: 72 [2018-09-21 18:05:56,238 INFO L226 Difference]: Without dead ends: 68 [2018-09-21 18:05:56,240 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:05:56,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-09-21 18:05:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-09-21 18:05:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-09-21 18:05:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2018-09-21 18:05:56,281 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 22 [2018-09-21 18:05:56,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:05:56,282 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2018-09-21 18:05:56,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:05:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2018-09-21 18:05:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-21 18:05:56,284 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:05:56,284 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] [2018-09-21 18:05:56,284 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:05:56,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1898594918, now seen corresponding path program 1 times [2018-09-21 18:05:56,285 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:05:56,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:05:56,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:56,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:05:56,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:05:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:05:56,444 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:05:56,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:05:56 BoogieIcfgContainer [2018-09-21 18:05:56,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:05:56,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:05:56,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:05:56,508 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:05:56,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:55" (3/4) ... [2018-09-21 18:05:56,512 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:05:56,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:05:56,513 INFO L168 Benchmark]: Toolchain (without parser) took 2218.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:56,515 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:05:56,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:56,517 INFO L168 Benchmark]: Boogie Preprocessor took 104.69 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:05:56,517 INFO L168 Benchmark]: RCFGBuilder took 1060.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:56,518 INFO L168 Benchmark]: TraceAbstraction took 628.43 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:56,519 INFO L168 Benchmark]: Witness Printer took 5.16 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. [2018-09-21 18:05:56,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 412.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.69 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1060.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 628.43 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.16 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: 151]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6441402386, \old(Lg2_log)=6441402389, \old(Lg3_log)=6441402371, \old(Lg4_log)=6441402374, \old(Lg5_log)=6441402376, \old(Lg6_log)=6441402383, \old(Lg7_log)=6441402382, \old(ln2_hi_log)=6441402373, \old(ln2_lo_log)=6441402377, \old(two54_log)=6441402384, \old(zero)=6441402387, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = -1.0 / 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L147] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6441402388, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6441402388, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L51] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6441402388, ew_u={6441402380:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L52] FCALL ew_u.value = (x) VAL [\old(x)=6441402388, ew_u={6441402380:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L53] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.msw=6441402370, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L53] (hx) = ew_u.parts.msw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.msw=6441402370, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L53] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6441402385, \old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.msw=6441402370, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L54] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.lsw=6441402381, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L54] (lx) = ew_u.parts.lsw VAL [\old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.lsw=6441402381, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L54] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6441402379, \old(x)=6441402388, ew_u={6441402380:0}, ew_u.parts.lsw=6441402381, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L55] COND FALSE !(0) VAL [\old(x)=6441402388, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L57] k = 0 VAL [\old(x)=6441402388, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L58] COND FALSE !(hx < 0x00100000) VAL [\old(x)=6441402388, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L71] COND TRUE hx >= 0x7ff00000 [L72] RET return x + x; VAL [\old(x)=6441402388, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2146435085, two54_log=18014398509481984, x=6441402388, zero=0] [L147] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6441402375, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402388, zero=0] [L147] double res = __ieee754_log(x); [L150] CALL, EXPR isnan_double(res) VAL [\old(x)=6441402375, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L137] RET return x != x; VAL [\old(x)=6441402375, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6441402375, zero=0] [L150] EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6441402375, two54_log=18014398509481984, x=6441402388, zero=0] [L150] COND TRUE !isnan_double(res) [L151] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6441402375, two54_log=18014398509481984, x=6441402388, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 82 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=72occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:05:59,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:05:59,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:05:59,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:05:59,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:05:59,036 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:05:59,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:05:59,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:05:59,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:05:59,042 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:05:59,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:05:59,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:05:59,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:05:59,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:05:59,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:05:59,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:05:59,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:05:59,051 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:05:59,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:05:59,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:05:59,056 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:05:59,057 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:05:59,060 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:05:59,060 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:05:59,060 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:05:59,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:05:59,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:05:59,064 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:05:59,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:05:59,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:05:59,066 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:05:59,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:05:59,067 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:05:59,068 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:05:59,069 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:05:59,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:05:59,070 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:05:59,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:05:59,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:05:59,088 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:05:59,088 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:05:59,088 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:05:59,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:05:59,089 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:05:59,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:05:59,089 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:05:59,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:05:59,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:05:59,090 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:05:59,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:05:59,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:05:59,090 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:05:59,092 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:05:59,092 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:05:59,092 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:05:59,092 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:05:59,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:05:59,093 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:05:59,093 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:05:59,093 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:05:59,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:59,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:05:59,094 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:05:59,094 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:05:59,094 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:05:59,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:05:59,096 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:05:59,096 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:05:59,096 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 -> f9996153423fecedcbbebbb98f8557ca25433f0f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:05:59,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:05:59,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:05:59,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:05:59,175 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:05:59,175 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:05:59,176 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-21 18:05:59,568 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f639d77a1/0c208edcb694413394328d45dd7354ae/FLAG111d85856 [2018-09-21 18:05:59,775 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:05:59,776 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-09-21 18:05:59,785 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f639d77a1/0c208edcb694413394328d45dd7354ae/FLAG111d85856 [2018-09-21 18:05:59,801 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f639d77a1/0c208edcb694413394328d45dd7354ae [2018-09-21 18:05:59,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:05:59,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:05:59,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:59,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:05:59,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:05:59,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:59" (1/1) ... [2018-09-21 18:05:59,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb40aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:59, skipping insertion in model container [2018-09-21 18:05:59,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:59" (1/1) ... [2018-09-21 18:05:59,836 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:06:00,100 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:06:00,128 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:06:00,207 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:06:00,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00 WrapperNode [2018-09-21 18:06:00,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:06:00,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:06:00,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:06:00,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:06:00,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... [2018-09-21 18:06:00,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:06:00,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:06:00,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:06:00,345 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:06:00,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:06:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:06:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:06:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:06:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:06:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-21 18:06:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:06:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:06:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:06:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:06:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:06:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:06:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:06:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:06:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:06:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:06:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:06:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:06:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-21 18:06:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:06:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:06:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:06:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:06:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:06:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:06:00,729 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:00,752 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:14,813 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:14,838 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:14,856 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:20,120 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:20,135 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:20,300 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:25,117 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:25,155 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:25,168 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:06:25,225 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:06:25,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:06:25 BoogieIcfgContainer [2018-09-21 18:06:25,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:06:25,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:06:25,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:06:25,231 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:06:25,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:05:59" (1/3) ... [2018-09-21 18:06:25,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb5c480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:06:25, skipping insertion in model container [2018-09-21 18:06:25,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:06:00" (2/3) ... [2018-09-21 18:06:25,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb5c480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:06:25, skipping insertion in model container [2018-09-21 18:06:25,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:06:25" (3/3) ... [2018-09-21 18:06:25,239 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b_true-unreach-call.c [2018-09-21 18:06:25,249 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:06:25,261 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:06:25,304 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:06:25,305 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:06:25,305 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:06:25,306 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:06:25,306 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:06:25,306 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:06:25,306 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:06:25,306 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:06:25,306 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:06:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-09-21 18:06:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-21 18:06:25,337 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:06:25,339 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] [2018-09-21 18:06:25,341 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:06:25,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1039327380, now seen corresponding path program 1 times [2018-09-21 18:06:25,359 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:06:25,360 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 18:06:25,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:06:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:06:25,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:06:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:06:25,547 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:06:25,563 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:06:25,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:06:25,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:06:25,580 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:06:25,581 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:06:25,584 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2018-09-21 18:06:25,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:06:25,606 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2018-09-21 18:06:25,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:06:25,607 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-21 18:06:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:06:25,620 INFO L225 Difference]: With dead ends: 71 [2018-09-21 18:06:25,620 INFO L226 Difference]: Without dead ends: 67 [2018-09-21 18:06:25,623 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:06:25,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-09-21 18:06:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-09-21 18:06:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-21 18:06:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2018-09-21 18:06:25,666 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 21 [2018-09-21 18:06:25,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:06:25,666 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2018-09-21 18:06:25,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:06:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2018-09-21 18:06:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-21 18:06:25,668 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:06:25,669 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] [2018-09-21 18:06:25,669 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:06:25,669 INFO L82 PathProgramCache]: Analyzing trace with hash -711438788, now seen corresponding path program 1 times [2018-09-21 18:06:25,670 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:06:25,670 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) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 18:06:25,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:06:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:06:25,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:06:25,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 18:06:26,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:06:26,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:26,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:26,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:26,121 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:06:26,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 18:06:26,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:06:26,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:26,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:26,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:26,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:06:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:06:26,563 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:06:26,579 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:06:26,580 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:06:26,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:06:26,583 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:06:26,583 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:06:26,583 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand 8 states. [2018-09-21 18:06:27,792 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-21 18:06:45,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:06:45,131 INFO L93 Difference]: Finished difference Result 94 states and 110 transitions. [2018-09-21 18:06:45,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-21 18:06:45,925 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-21 18:06:45,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:06:45,930 INFO L225 Difference]: With dead ends: 94 [2018-09-21 18:06:45,930 INFO L226 Difference]: Without dead ends: 69 [2018-09-21 18:06:45,931 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:06:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-21 18:06:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-09-21 18:06:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-21 18:06:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2018-09-21 18:06:45,942 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 34 [2018-09-21 18:06:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:06:45,943 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2018-09-21 18:06:45,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:06:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2018-09-21 18:06:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-21 18:06:45,944 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:06:45,944 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] [2018-09-21 18:06:45,945 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:06:45,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1152943357, now seen corresponding path program 1 times [2018-09-21 18:06:45,946 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:06:45,946 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 18:06:45,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:06:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:06:46,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:06:46,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 18:06:46,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:06:46,934 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:46,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:46,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:46,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:06:47,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 18:06:47,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:06:47,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:47,028 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:47,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:47,041 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:06:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:06:47,279 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:06:47,309 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:06:47,309 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:06:47,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:06:47,310 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:06:47,310 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:06:47,311 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand 8 states. [2018-09-21 18:07:01,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:07:01,309 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2018-09-21 18:07:01,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:07:01,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-21 18:07:01,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:07:01,312 INFO L225 Difference]: With dead ends: 71 [2018-09-21 18:07:01,312 INFO L226 Difference]: Without dead ends: 69 [2018-09-21 18:07:01,313 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-09-21 18:07:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-21 18:07:01,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-09-21 18:07:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-21 18:07:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2018-09-21 18:07:01,321 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 34 [2018-09-21 18:07:01,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:07:01,322 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2018-09-21 18:07:01,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:07:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-09-21 18:07:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-21 18:07:01,323 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:07:01,323 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] [2018-09-21 18:07:01,324 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:07:01,324 INFO L82 PathProgramCache]: Analyzing trace with hash -405271574, now seen corresponding path program 1 times [2018-09-21 18:07:01,325 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:07:01,325 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 18:07:01,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:07:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:07:02,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:07:08,106 WARN L178 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 10 [2018-09-21 18:07:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:07:08,565 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:07:08,586 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:07:08,587 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-21 18:07:08,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-21 18:07:08,587 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-21 18:07:08,588 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-09-21 18:07:08,588 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand 10 states. [2018-09-21 18:07:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:07:31,196 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2018-09-21 18:07:31,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-21 18:07:31,197 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2018-09-21 18:07:31,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:07:31,203 INFO L225 Difference]: With dead ends: 74 [2018-09-21 18:07:31,204 INFO L226 Difference]: Without dead ends: 69 [2018-09-21 18:07:31,204 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-09-21 18:07:31,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-21 18:07:31,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-09-21 18:07:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-21 18:07:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2018-09-21 18:07:31,220 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 35 [2018-09-21 18:07:31,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:07:31,221 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2018-09-21 18:07:31,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-21 18:07:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2018-09-21 18:07:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-21 18:07:31,223 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:07:31,223 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] [2018-09-21 18:07:31,223 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:07:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2025578153, now seen corresponding path program 1 times [2018-09-21 18:07:31,225 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:07:31,225 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 [2018-09-21 18:07:31,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:07:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:07:31,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:07:31,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 18:07:31,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:07:31,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:07:31,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:07:31,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:07:31,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:07:31,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 18:07:31,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:07:31,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:07:31,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:07:31,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:07:31,804 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:07:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:07:31,994 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:07:32,013 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:07:32,014 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:07:32,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:07:32,015 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:07:32,015 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:07:32,015 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand 8 states. [2018-09-21 18:07:32,739 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 18:07:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:07:39,336 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2018-09-21 18:07:39,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:07:39,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-09-21 18:07:39,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:07:39,338 INFO L225 Difference]: With dead ends: 59 [2018-09-21 18:07:39,338 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:07:39,339 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-09-21 18:07:39,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:07:39,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:07:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:07:39,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:07:39,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-09-21 18:07:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:07:39,341 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:07:39,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:07:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:07:39,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:07:39,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:07:39 BoogieIcfgContainer [2018-09-21 18:07:39,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:07:39,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:07:39,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:07:39,348 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:07:39,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:06:25" (3/4) ... [2018-09-21 18:07:39,354 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:07:39,362 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-09-21 18:07:39,362 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 18:07:39,362 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:07:39,362 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-21 18:07:39,363 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-21 18:07:39,363 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:07:39,371 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-09-21 18:07:39,371 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-21 18:07:39,372 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-21 18:07:39,372 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:07:39,470 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:07:39,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:07:39,475 INFO L168 Benchmark]: Toolchain (without parser) took 99669.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.5 MB in the beginning and 829.1 MB in the end (delta: 121.4 MB). Peak memory consumption was 255.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:39,476 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:07:39,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:39,482 INFO L168 Benchmark]: Boogie Preprocessor took 88.00 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:07:39,484 INFO L168 Benchmark]: RCFGBuilder took 24881.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:39,485 INFO L168 Benchmark]: TraceAbstraction took 74119.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 829.1 MB in the end (delta: 256.4 MB). Peak memory consumption was 256.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:39,485 INFO L168 Benchmark]: Witness Printer took 126.24 ms. Allocated memory is still 1.2 GB. Free memory is still 829.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:07:39,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 446.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.00 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 24881.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74119.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 829.1 MB in the end (delta: 256.4 MB). Peak memory consumption was 256.4 MB. Max. memory is 11.5 GB. * Witness Printer took 126.24 ms. Allocated memory is still 1.2 GB. Free memory is still 829.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 103 locations, 1 error locations. SAFE Result, 74.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 63.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 328 SDtfs, 220 SDslu, 1293 SDs, 0 SdLazy, 337 SolverSat, 26 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 53.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 165 ConstructedInterpolants, 60 QuantifiedInterpolants, 49171 SizeOfPredicates, 27 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...