/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970a_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_0970a_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 cc541d75f5affce4b825454cfd79356341e493a9 --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_0970a_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 cc541d75f5affce4b825454cfd79356341e493a9 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:08:40,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:08:40,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:08:40,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:08:40,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:08:40,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:08:40,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:08:40,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:08:40,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:08:40,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:08:40,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:08:40,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:08:40,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:08:40,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:08:40,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:08:40,504 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:08:40,505 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:08:40,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:08:40,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:08:40,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:08:40,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:08:40,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:08:40,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:08:40,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:08:40,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:08:40,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:08:40,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:08:40,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:08:40,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:08:40,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:08:40,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:08:40,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:08:40,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:08:40,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:08:40,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:08:40,522 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:08:40,522 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:08:40,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:08:40,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:08:40,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:08:40,539 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:08:40,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:08:40,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:08:40,540 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:08:40,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:08:40,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:08:40,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:08:40,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:08:40,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:08:40,541 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:08:40,541 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:08:40,541 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:08:40,541 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:08:40,541 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:08:40,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:08:40,542 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:08:40,542 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:08:40,542 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:08:40,542 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:08:40,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:08:40,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:08:40,543 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:08:40,543 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:08:40,543 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:08:40,543 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:08:40,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:08:40,544 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 -> cc541d75f5affce4b825454cfd79356341e493a9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:08:40,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:08:40,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:08:40,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:08:40,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:08:40,612 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:08:40,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-09-21 18:08:40,963 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252f45561/a3ac4a469097476e9fa2b2ccd665d1a4/FLAG4731e4810 [2018-09-21 18:08:41,121 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:08:41,122 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-09-21 18:08:41,130 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252f45561/a3ac4a469097476e9fa2b2ccd665d1a4/FLAG4731e4810 [2018-09-21 18:08:41,147 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252f45561/a3ac4a469097476e9fa2b2ccd665d1a4 [2018-09-21 18:08:41,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:08:41,156 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:08:41,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:41,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:08:41,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:08:41,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35eb723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41, skipping insertion in model container [2018-09-21 18:08:41,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,184 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:08:41,506 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:41,534 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:08:41,605 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:41,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41 WrapperNode [2018-09-21 18:08:41,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:41,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:08:41,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:08:41,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:08:41,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... [2018-09-21 18:08:41,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:08:41,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:08:41,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:08:41,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:08:41,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:08:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:08:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:08:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:08:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-09-21 18:08:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:08:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-21 18:08:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:08:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:08:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:08:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:08:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:08:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:08:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:08:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:08:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:08:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:08:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:08:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:08:42,927 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:08:42,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:08:42 BoogieIcfgContainer [2018-09-21 18:08:42,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:08:42,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:08:42,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:08:42,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:08:42,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:08:41" (1/3) ... [2018-09-21 18:08:42,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121a00f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:08:42, skipping insertion in model container [2018-09-21 18:08:42,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:41" (2/3) ... [2018-09-21 18:08:42,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121a00f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:08:42, skipping insertion in model container [2018-09-21 18:08:42,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:08:42" (3/3) ... [2018-09-21 18:08:42,936 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a_true-unreach-call.c [2018-09-21 18:08:42,946 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:08:42,956 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:08:42,997 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:08:42,998 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:08:42,998 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:08:42,998 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:08:42,999 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:08:42,999 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:08:42,999 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:08:42,999 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:08:42,999 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:08:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-09-21 18:08:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-21 18:08:43,032 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:08:43,033 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:08:43,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:08:43,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1028241206, now seen corresponding path program 1 times [2018-09-21 18:08:43,044 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:08:43,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:08:43,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:43,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:08:43,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:08:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:08:43,281 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:08:43,281 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-21 18:08:43,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-21 18:08:43,302 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-21 18:08:43,303 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-21 18:08:43,306 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2018-09-21 18:08:43,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:08:43,407 INFO L93 Difference]: Finished difference Result 138 states and 154 transitions. [2018-09-21 18:08:43,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-21 18:08:43,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-21 18:08:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:08:43,423 INFO L225 Difference]: With dead ends: 138 [2018-09-21 18:08:43,424 INFO L226 Difference]: Without dead ends: 132 [2018-09-21 18:08:43,426 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-21 18:08:43,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-21 18:08:43,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-09-21 18:08:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-21 18:08:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 146 transitions. [2018-09-21 18:08:43,499 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 146 transitions. Word has length 24 [2018-09-21 18:08:43,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:08:43,500 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 146 transitions. [2018-09-21 18:08:43,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-21 18:08:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2018-09-21 18:08:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-21 18:08:43,502 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:08:43,503 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:08:43,503 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:08:43,504 INFO L82 PathProgramCache]: Analyzing trace with hash 167395940, now seen corresponding path program 1 times [2018-09-21 18:08:43,505 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:08:43,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:08:43,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:43,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:08:43,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:08:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:08:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:08:43,794 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:08:43,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:08:43 BoogieIcfgContainer [2018-09-21 18:08:43,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:08:43,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:08:43,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:08:43,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:08:43,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:08:42" (3/4) ... [2018-09-21 18:08:43,888 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:08:43,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:08:43,890 INFO L168 Benchmark]: Toolchain (without parser) took 2737.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -50.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:43,893 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 18:08:43,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.94 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:43,895 INFO L168 Benchmark]: Boogie Preprocessor took 89.03 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:43,896 INFO L168 Benchmark]: RCFGBuilder took 1190.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 930.4 MB in the beginning and 1.0 GB in the end (delta: -108.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:43,897 INFO L168 Benchmark]: TraceAbstraction took 952.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:08:43,899 INFO L168 Benchmark]: Witness Printer took 7.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:08:43,903 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 487.94 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.03 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1190.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 930.4 MB in the beginning and 1.0 GB in the end (delta: -108.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 952.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseAnd at line 170, overapproximation of someBinaryArithmeticDOUBLEoperation at line 145. Possible FailurePath: [L17-L26] 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; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=10737418248, \old(Lg1_log)=10737418245, \old(Lg2_log)=10737418246, \old(Lg3_log)=10737418247, \old(Lg4_log)=10737418250, \old(Lg5_log)=10737418254, \old(Lg6_log)=10737418260, \old(Lg7_log)=10737418257, \old(ln2_hi_log)=10737418238, \old(ln2_lo_log)=10737418240, \old(log10_2hi_log10)=10737418241, \old(log10_2lo_log10)=10737418258, \old(two54_log)=10737418261, \old(two54_log10)=10737418242, \old(zero)=10737418263, \old(zero_log10)=10737418255, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L180] double x = __VERIFIER_nondet_double(); [L182] x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] COND TRUE x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] CALL, EXPR isfinite_double(x) VAL [\old(x)=10737418252, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L164] __int32_t hx; VAL [\old(x)=10737418252, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L166] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=10737418252, gh_u={10737418259:0}, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L167] FCALL gh_u.value = (x) VAL [\old(x)=10737418252, gh_u={10737418259:0}, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L168] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=10737418252, gh_u={10737418259:0}, gh_u.parts.msw=6442450943, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L168] (hx) = gh_u.parts.msw VAL [\old(x)=10737418252, gh_u={10737418259:0}, gh_u.parts.msw=6442450943, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L168] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=10737418251, \old(x)=10737418252, gh_u={10737418259:0}, gh_u.parts.msw=6442450943, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L169] COND FALSE !(0) VAL [\old(x)=10737418252, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L170] RET return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=10737418252, \result=-1, hx=2147483647, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L182] EXPR isfinite_double(x) VAL [isfinite_double(x)=-1, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] x < 0 && isfinite_double(x) VAL [isfinite_double(x)=-1, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] COND TRUE x < 0 && isfinite_double(x) [L184] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=10737418252, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=10737418252, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L124] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418252, ew_u={10737418253:0}, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L125] FCALL ew_u.value = (x) VAL [\old(x)=10737418252, ew_u={10737418253:0}, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L126] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418252, ew_u={10737418253:0}, ew_u.parts.msw=10737418237, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L126] (hx) = ew_u.parts.msw VAL [\old(x)=10737418252, ew_u={10737418253:0}, ew_u.parts.msw=10737418237, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L126] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418239, \old(x)=10737418252, ew_u={10737418253:0}, ew_u.parts.msw=10737418237, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L127] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418252, ew_u={10737418253:0}, ew_u.parts.lsw=10737418262, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L127] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418252, ew_u={10737418253:0}, ew_u.parts.lsw=10737418262, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L127] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418244, \old(x)=10737418252, ew_u={10737418253:0}, ew_u.parts.lsw=10737418262, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L128] COND FALSE !(0) VAL [\old(x)=10737418252, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L130] k = 0 VAL [\old(x)=10737418252, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L131] COND FALSE !(hx < 0x00100000) VAL [\old(x)=10737418252, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L144] COND TRUE hx >= 0x7ff00000 [L145] RET return x + x; VAL [\old(x)=10737418252, hx=2147483645, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L184] EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=10737418243, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isnan_double(res) VAL [\old(x)=10737418243, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] RET return x != x; VAL [\old(x)=10737418243, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418243, zero=0, zero_log10=0] [L187] EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=10737418243, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] [L187] COND TRUE !isnan_double(res) [L188] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=10737418243, two54_log=18014398509481984, two54_log10=18014398509481984, x=10737418252, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 137 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 152 SDtfs, 0 SDslu, 147 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:08:46,339 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:08:46,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:08:46,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:08:46,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:08:46,365 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:08:46,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:08:46,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:08:46,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:08:46,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:08:46,384 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:08:46,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:08:46,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:08:46,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:08:46,392 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:08:46,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:08:46,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:08:46,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:08:46,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:08:46,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:08:46,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:08:46,417 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:08:46,422 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:08:46,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:08:46,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:08:46,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:08:46,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:08:46,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:08:46,432 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:08:46,433 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:08:46,433 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:08:46,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:08:46,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:08:46,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:08:46,441 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:08:46,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:08:46,445 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:08:46,474 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:08:46,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:08:46,476 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:08:46,477 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:08:46,478 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:08:46,479 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:08:46,479 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:08:46,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:08:46,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:08:46,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:08:46,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:08:46,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:08:46,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:08:46,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:08:46,482 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:08:46,484 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:08:46,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:08:46,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:08:46,484 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:08:46,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:08:46,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:08:46,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:08:46,486 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:08:46,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:08:46,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:08:46,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:08:46,487 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:08:46,487 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:08:46,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:08:46,490 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:08:46,490 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:08:46,490 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 -> cc541d75f5affce4b825454cfd79356341e493a9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:08:46,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:08:46,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:08:46,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:08:46,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:08:46,593 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:08:46,594 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-09-21 18:08:46,949 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cdcb53c/ed023d295cb246378d32dc924c5d7c91/FLAG7a01da89a [2018-09-21 18:08:47,137 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:08:47,138 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-09-21 18:08:47,146 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cdcb53c/ed023d295cb246378d32dc924c5d7c91/FLAG7a01da89a [2018-09-21 18:08:47,163 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cdcb53c/ed023d295cb246378d32dc924c5d7c91 [2018-09-21 18:08:47,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:08:47,170 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:08:47,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:47,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:08:47,179 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:08:47,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2fa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47, skipping insertion in model container [2018-09-21 18:08:47,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,196 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:08:47,497 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:47,532 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:08:47,612 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:08:47,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47 WrapperNode [2018-09-21 18:08:47,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:08:47,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:08:47,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:08:47,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:08:47,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... [2018-09-21 18:08:47,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:08:47,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:08:47,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:08:47,767 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:08:47,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:08:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:08:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:08:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:08:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-09-21 18:08:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:08:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-21 18:08:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:08:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:08:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:08:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:08:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-09-21 18:08:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:08:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-21 18:08:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:08:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:08:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:08:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:08:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:08:48,294 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:48,326 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:48,425 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:48,457 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:48,478 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:53,195 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:53,205 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:53,542 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:08:55,802 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:00,419 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:00,451 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:00,681 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:20,006 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:20,021 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:09:20,089 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:09:20,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:09:20 BoogieIcfgContainer [2018-09-21 18:09:20,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:09:20,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:09:20,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:09:20,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:09:20,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:08:47" (1/3) ... [2018-09-21 18:09:20,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62eaa09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:09:20, skipping insertion in model container [2018-09-21 18:09:20,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:08:47" (2/3) ... [2018-09-21 18:09:20,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62eaa09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:09:20, skipping insertion in model container [2018-09-21 18:09:20,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:09:20" (3/3) ... [2018-09-21 18:09:20,098 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a_true-unreach-call.c [2018-09-21 18:09:20,108 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:09:20,118 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:09:20,165 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:09:20,165 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:09:20,166 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:09:20,166 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:09:20,166 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:09:20,166 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:09:20,166 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:09:20,166 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:09:20,167 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:09:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-09-21 18:09:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-21 18:09:20,201 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:20,202 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:20,205 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:20,211 INFO L82 PathProgramCache]: Analyzing trace with hash 47096371, now seen corresponding path program 1 times [2018-09-21 18:09:20,216 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:20,217 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 18:09:20,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:20,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:20,410 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:20,426 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:20,426 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:09:20,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:09:20,447 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:09:20,448 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:09:20,451 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-09-21 18:09:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:20,478 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2018-09-21 18:09:20,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:09:20,480 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-21 18:09:20,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:20,495 INFO L225 Difference]: With dead ends: 136 [2018-09-21 18:09:20,495 INFO L226 Difference]: Without dead ends: 131 [2018-09-21 18:09:20,497 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:09:20,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-21 18:09:20,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-21 18:09:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-21 18:09:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2018-09-21 18:09:20,552 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 23 [2018-09-21 18:09:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:20,553 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2018-09-21 18:09:20,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:09:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2018-09-21 18:09:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-21 18:09:20,555 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:20,555 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] [2018-09-21 18:09:20,555 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:20,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1932889769, now seen corresponding path program 1 times [2018-09-21 18:09:20,557 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:20,557 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 18:09:20,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:20,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:20,801 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:20,817 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:20,818 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-21 18:09:20,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-21 18:09:20,820 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-21 18:09:20,820 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-21 18:09:20,820 INFO L87 Difference]: Start difference. First operand 131 states and 146 transitions. Second operand 3 states. [2018-09-21 18:09:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:20,879 INFO L93 Difference]: Finished difference Result 132 states and 146 transitions. [2018-09-21 18:09:20,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-21 18:09:20,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-21 18:09:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:20,890 INFO L225 Difference]: With dead ends: 132 [2018-09-21 18:09:20,890 INFO L226 Difference]: Without dead ends: 131 [2018-09-21 18:09:20,893 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-21 18:09:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-21 18:09:20,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-21 18:09:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-21 18:09:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2018-09-21 18:09:20,924 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 36 [2018-09-21 18:09:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:20,924 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2018-09-21 18:09:20,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-21 18:09:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2018-09-21 18:09:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-21 18:09:20,931 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:20,931 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:20,931 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:20,932 INFO L82 PathProgramCache]: Analyzing trace with hash 678677723, now seen corresponding path program 1 times [2018-09-21 18:09:20,932 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:20,932 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 18:09:20,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:21,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:21,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 18:09:21,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:09:21,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:21,419 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:21,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:21,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:09:21,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 18:09:21,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:09:21,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:21,583 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:21,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:21,599 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:09:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:22,031 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:22,048 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:22,049 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:09:22,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:09:22,050 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:09:22,050 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:09:22,050 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand 9 states. [2018-09-21 18:09:23,022 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 18:09:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:34,279 INFO L93 Difference]: Finished difference Result 150 states and 164 transitions. [2018-09-21 18:09:34,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-21 18:09:34,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-09-21 18:09:34,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:34,284 INFO L225 Difference]: With dead ends: 150 [2018-09-21 18:09:34,284 INFO L226 Difference]: Without dead ends: 131 [2018-09-21 18:09:34,285 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-09-21 18:09:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-21 18:09:34,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-21 18:09:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-21 18:09:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2018-09-21 18:09:34,300 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 52 [2018-09-21 18:09:34,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:34,300 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2018-09-21 18:09:34,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:09:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2018-09-21 18:09:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-21 18:09:34,303 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:34,303 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:34,304 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1751907428, now seen corresponding path program 1 times [2018-09-21 18:09:34,305 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:34,305 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 18:09:34,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:35,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:35,554 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:35,555 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:35,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-09-21 18:09:35,572 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:35,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-21 18:09:35,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:35,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:35,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:35,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:09:35,920 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:35,921 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:09:35,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 56 [2018-09-21 18:09:35,938 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:35,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-21 18:09:35,961 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:35,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:36,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:36,030 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-21 18:09:36,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-09-21 18:09:36,125 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:09:36,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-21 18:09:36,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:09:36,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:09:36,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:09:36,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-21 18:09:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:36,411 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:36,437 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:36,438 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-21 18:09:36,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-21 18:09:36,438 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-21 18:09:36,439 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-09-21 18:09:36,439 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand 11 states. [2018-09-21 18:09:37,650 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-21 18:09:37,945 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 18:09:48,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:09:48,281 INFO L93 Difference]: Finished difference Result 135 states and 147 transitions. [2018-09-21 18:09:48,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-21 18:09:48,282 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2018-09-21 18:09:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:09:48,286 INFO L225 Difference]: With dead ends: 135 [2018-09-21 18:09:48,286 INFO L226 Difference]: Without dead ends: 133 [2018-09-21 18:09:48,287 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-09-21 18:09:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-09-21 18:09:48,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2018-09-21 18:09:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-21 18:09:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 143 transitions. [2018-09-21 18:09:48,299 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 143 transitions. Word has length 52 [2018-09-21 18:09:48,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:09:48,300 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 143 transitions. [2018-09-21 18:09:48,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-21 18:09:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-09-21 18:09:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-21 18:09:48,302 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:09:48,303 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:09:48,303 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:09:48,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1291923205, now seen corresponding path program 1 times [2018-09-21 18:09:48,304 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:09:48,304 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 18:09:48,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:09:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:09:49,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:09:53,761 WARN L178 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-21 18:09:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:09:55,141 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:09:55,171 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:09:55,171 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:09:55,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:09:55,172 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:09:55,172 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:09:55,172 INFO L87 Difference]: Start difference. First operand 131 states and 143 transitions. Second operand 8 states. [2018-09-21 18:10:02,080 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-21 18:10:03,429 WARN L178 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-21 18:10:05,476 WARN L178 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-21 18:10:08,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:10:08,473 INFO L93 Difference]: Finished difference Result 136 states and 148 transitions. [2018-09-21 18:10:08,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-21 18:10:08,474 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-09-21 18:10:08,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:10:08,476 INFO L225 Difference]: With dead ends: 136 [2018-09-21 18:10:08,476 INFO L226 Difference]: Without dead ends: 131 [2018-09-21 18:10:08,477 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-09-21 18:10:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-21 18:10:08,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-21 18:10:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-21 18:10:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 142 transitions. [2018-09-21 18:10:08,487 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 142 transitions. Word has length 53 [2018-09-21 18:10:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:10:08,488 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 142 transitions. [2018-09-21 18:10:08,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:10:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2018-09-21 18:10:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-21 18:10:08,491 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:10:08,491 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:10:08,491 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:10:08,492 INFO L82 PathProgramCache]: Analyzing trace with hash -675636664, now seen corresponding path program 1 times [2018-09-21 18:10:08,492 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:10:08,492 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-21 18:10:08,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-21 18:10:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:10:08,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:10:09,041 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 18:10:09,048 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 18:10:09,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:10:09,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:10:09,074 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 18:10:09,075 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:10:09,141 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 18:10:09,147 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 18:10:09,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:10:09,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:10:09,166 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 18:10:09,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:10:09,634 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 18:10:09,635 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:10:09,658 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:10:09,659 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-21 18:10:09,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-21 18:10:09,660 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-21 18:10:09,660 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-09-21 18:10:09,660 INFO L87 Difference]: Start difference. First operand 131 states and 142 transitions. Second operand 10 states. [2018-09-21 18:10:10,484 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 18:10:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:10:13,058 INFO L93 Difference]: Finished difference Result 123 states and 134 transitions. [2018-09-21 18:10:13,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-21 18:10:13,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2018-09-21 18:10:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:10:13,061 INFO L225 Difference]: With dead ends: 123 [2018-09-21 18:10:13,061 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:10:13,062 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2018-09-21 18:10:13,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:10:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:10:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:10:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:10:13,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-09-21 18:10:13,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:10:13,064 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:10:13,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-21 18:10:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:10:13,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:10:13,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:10:13 BoogieIcfgContainer [2018-09-21 18:10:13,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:10:13,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:10:13,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:10:13,073 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:10:13,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:09:20" (3/4) ... [2018-09-21 18:10:13,079 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:10:13,088 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 18:10:13,088 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-09-21 18:10:13,088 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:10:13,088 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-09-21 18:10:13,089 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-21 18:10:13,089 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:10:13,099 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-09-21 18:10:13,100 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-09-21 18:10:13,101 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-21 18:10:13,101 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:10:13,239 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:10:13,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:10:13,245 INFO L168 Benchmark]: Toolchain (without parser) took 86077.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:13,247 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:10:13,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:13,248 INFO L168 Benchmark]: Boogie Preprocessor took 80.03 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:13,248 INFO L168 Benchmark]: RCFGBuilder took 32322.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:13,249 INFO L168 Benchmark]: TraceAbstraction took 52981.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:13,249 INFO L168 Benchmark]: Witness Printer took 171.49 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: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:10:13,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 514.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.03 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 32322.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52981.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Witness Printer took 171.49 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: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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, 136 locations, 1 error locations. SAFE Result, 52.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 40.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 819 SDtfs, 244 SDslu, 3241 SDs, 0 SdLazy, 429 SolverSat, 30 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 274 ConstructedInterpolants, 64 QuantifiedInterpolants, 89353 SizeOfPredicates, 30 NumberOfNonLiveVariables, 846 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...