/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910b_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_0910b_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 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 --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_0910b_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 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:05:25,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:05:25,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:05:25,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:05:25,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:05:25,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:05:25,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:05:25,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:05:25,052 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:05:25,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:05:25,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:05:25,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:05:25,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:05:25,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:05:25,067 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:05:25,068 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:05:25,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:05:25,071 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:05:25,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:05:25,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:05:25,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:05:25,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:05:25,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:05:25,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:05:25,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:05:25,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:05:25,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:05:25,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:05:25,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:05:25,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:05:25,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:05:25,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:05:25,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:05:25,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:05:25,102 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:05:25,103 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:05:25,104 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:05:25,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:05:25,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:05:25,136 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:05:25,137 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:05:25,137 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:05:25,137 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:05:25,138 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:05:25,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:05:25,138 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:05:25,138 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:05:25,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:05:25,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:05:25,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:05:25,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:05:25,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:05:25,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:05:25,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:05:25,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:05:25,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:05:25,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:05:25,141 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:05:25,141 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:05:25,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:25,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:05:25,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:05:25,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:05:25,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:05:25,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:05:25,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:05:25,144 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 -> 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:05:25,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:05:25,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:05:25,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:05:25,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:05:25,235 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:05:25,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-09-21 18:05:25,587 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d5a18da/cd13f7205dff49a994684a384bf04239/FLAG9610e25d9 [2018-09-21 18:05:25,758 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:05:25,759 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-09-21 18:05:25,772 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d5a18da/cd13f7205dff49a994684a384bf04239/FLAG9610e25d9 [2018-09-21 18:05:25,788 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d5a18da/cd13f7205dff49a994684a384bf04239 [2018-09-21 18:05:25,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:05:25,795 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:05:25,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:25,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:05:25,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:05:25,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:25" (1/1) ... [2018-09-21 18:05:25,806 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 06:05:25, skipping insertion in model container [2018-09-21 18:05:25,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:25" (1/1) ... [2018-09-21 18:05:25,818 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:05:26,057 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:05:26,084 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:05:26,154 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:05:26,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26 WrapperNode [2018-09-21 18:05:26,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:26,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:05:26,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:05:26,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:05:26,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... [2018-09-21 18:05:26,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:05:26,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:05:26,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:05:26,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:05:26,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:05:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:05:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:05:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:05:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:05:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:05:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:05:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:05:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:05:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:05:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:05:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:05:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:05:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:05:27,080 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:05:27,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:27 BoogieIcfgContainer [2018-09-21 18:05:27,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:05:27,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:05:27,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:05:27,085 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:05:27,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:05:25" (1/3) ... [2018-09-21 18:05:27,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11933a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:05:27, skipping insertion in model container [2018-09-21 18:05:27,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:26" (2/3) ... [2018-09-21 18:05:27,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11933a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:05:27, skipping insertion in model container [2018-09-21 18:05:27,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:27" (3/3) ... [2018-09-21 18:05:27,089 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b_true-unreach-call.c [2018-09-21 18:05:27,098 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:05:27,111 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:05:27,161 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:05:27,161 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:05:27,162 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:05:27,162 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:05:27,162 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:05:27,162 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:05:27,162 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:05:27,163 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:05:27,163 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:05:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-09-21 18:05:27,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-21 18:05:27,197 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:05:27,198 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 18:05:27,201 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:05:27,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1182905706, now seen corresponding path program 1 times [2018-09-21 18:05:27,208 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:05:27,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:05:27,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:27,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:05:27,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:05:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:05:27,396 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:05:27,396 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:05:27,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:05:27,416 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:05:27,417 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:05:27,420 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-09-21 18:05:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:05:27,444 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2018-09-21 18:05:27,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:05:27,445 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-21 18:05:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:05:27,458 INFO L225 Difference]: With dead ends: 87 [2018-09-21 18:05:27,458 INFO L226 Difference]: Without dead ends: 83 [2018-09-21 18:05:27,460 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:05:27,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-21 18:05:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-09-21 18:05:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-21 18:05:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2018-09-21 18:05:27,505 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 24 [2018-09-21 18:05:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:05:27,506 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2018-09-21 18:05:27,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:05:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2018-09-21 18:05:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 18:05:27,508 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:05:27,508 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:05:27,509 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:05:27,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1855070629, now seen corresponding path program 1 times [2018-09-21 18:05:27,509 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:05:27,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:05:27,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:27,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:05:27,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:05:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:05:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:05:27,705 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:05:27,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:05:27 BoogieIcfgContainer [2018-09-21 18:05:27,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:05:27,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:05:27,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:05:27,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:05:27,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:27" (3/4) ... [2018-09-21 18:05:27,792 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:05:27,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:05:27,794 INFO L168 Benchmark]: Toolchain (without parser) took 2001.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:27,796 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:05:27,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.28 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 18:05:27,799 INFO L168 Benchmark]: Boogie Preprocessor took 68.77 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:05:27,799 INFO L168 Benchmark]: RCFGBuilder took 818.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:27,800 INFO L168 Benchmark]: TraceAbstraction took 700.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:05:27,803 INFO L168 Benchmark]: Witness Printer took 10.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:05:27,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.28 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 68.77 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 818.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 700.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 10.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someUnaryDOUBLEoperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6442450962, \old(Lg2_log)=6442450966, \old(Lg3_log)=6442450945, \old(Lg4_log)=6442450949, \old(Lg5_log)=6442450950, \old(Lg6_log)=6442450959, \old(Lg7_log)=6442450958, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450952, \old(two54_log)=6442450960, \old(zero)=6442450963, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L132] double x = -0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L133] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L51] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6442450965, ew_u={6442450955:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L52] FCALL ew_u.value = (x) VAL [\old(x)=6442450965, ew_u={6442450955:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L53] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6442450965, ew_u={6442450955:0}, ew_u.parts.msw=6441402370, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L53] (hx) = ew_u.parts.msw VAL [\old(x)=6442450965, ew_u={6442450955:0}, ew_u.parts.msw=6441402370, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L53] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6442450961, \old(x)=6442450965, ew_u={6442450955:0}, ew_u.parts.msw=6441402370, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L54] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6442450965, ew_u={6442450955:0}, ew_u.parts.lsw=6442450956, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L54] (lx) = ew_u.parts.lsw VAL [\old(x)=6442450965, ew_u={6442450955:0}, ew_u.parts.lsw=6442450956, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=6442450965, zero=0] [L54] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6442450954, \old(x)=6442450965, ew_u={6442450955:0}, ew_u.parts.lsw=6442450956, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=6442450965, zero=0] [L55] COND FALSE !(0) VAL [\old(x)=6442450965, hx=2146435074, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=6442450965, zero=0] [L57] k = 0 VAL [\old(x)=6442450965, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=6442450965, zero=0] [L58] COND FALSE !(hx < 0x00100000) VAL [\old(x)=6442450965, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=6442450965, zero=0] [L71] COND TRUE hx >= 0x7ff00000 [L72] RET return x + x; VAL [\old(x)=6442450965, hx=2146435074, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=6442450965, zero=0] [L133] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L133] double res = __ieee754_log(x); [L136] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L19] __int32_t hx, lx; VAL [\old(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L21] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6442450951, ew_u={6442450957:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L22] FCALL ew_u.value = (x) VAL [\old(x)=6442450951, ew_u={6442450957:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L23] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6442450951, ew_u={6442450957:0}, ew_u.parts.msw=6442450944, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L23] (hx) = ew_u.parts.msw VAL [\old(x)=6442450951, ew_u={6442450957:0}, ew_u.parts.msw=6442450944, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L23] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6442450948, \old(x)=6442450951, ew_u={6442450957:0}, ew_u.parts.msw=6442450944, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L24] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6442450951, ew_u={6442450957:0}, ew_u.parts.lsw=3, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L24] (lx) = ew_u.parts.lsw VAL [\old(x)=6442450951, ew_u={6442450957:0}, ew_u.parts.lsw=3, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=3, two54_log=18014398509481984, x=6442450951, zero=0] [L24] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6442450964, \old(x)=6442450951, ew_u={6442450957:0}, ew_u.parts.lsw=3, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=3, two54_log=18014398509481984, x=6442450951, zero=0] [L25] COND FALSE !(0) VAL [\old(x)=6442450951, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=3, two54_log=18014398509481984, x=6442450951, zero=0] [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450951, \result=0, hx=2146435072, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=3, two54_log=18014398509481984, x=6442450951, zero=0] [L136] EXPR isinf_double(res) VAL [isinf_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450965, zero=0] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450965, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 87 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:05:30,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:05:30,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:05:30,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:05:30,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:05:30,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:05:30,190 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:05:30,191 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:05:30,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:05:30,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:05:30,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:05:30,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:05:30,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:05:30,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:05:30,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:05:30,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:05:30,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:05:30,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:05:30,210 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:05:30,212 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:05:30,213 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:05:30,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:05:30,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:05:30,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:05:30,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:05:30,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:05:30,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:05:30,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:05:30,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:05:30,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:05:30,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:05:30,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:05:30,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:05:30,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:05:30,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:05:30,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:05:30,234 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:05:30,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:05:30,249 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:05:30,250 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:05:30,250 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:05:30,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:05:30,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:05:30,252 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:05:30,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:05:30,253 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:05:30,253 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:05:30,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:05:30,253 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:05:30,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:05:30,254 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:05:30,254 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:05:30,255 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:05:30,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:05:30,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:05:30,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:05:30,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:05:30,255 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:05:30,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:05:30,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:05:30,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:30,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:05:30,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:05:30,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:05:30,258 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:05:30,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:05:30,258 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:05:30,258 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:05:30,259 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 -> 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:05:30,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:05:30,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:05:30,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:05:30,356 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:05:30,356 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:05:30,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-09-21 18:05:30,715 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e936a6a/5dc5375768ca4a4084dbe0c220cd935b/FLAG799576d48 [2018-09-21 18:05:30,879 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:05:30,880 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-09-21 18:05:30,888 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e936a6a/5dc5375768ca4a4084dbe0c220cd935b/FLAG799576d48 [2018-09-21 18:05:30,905 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e936a6a/5dc5375768ca4a4084dbe0c220cd935b [2018-09-21 18:05:30,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:05:30,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:05:30,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:30,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:05:30,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:05:30,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:30" (1/1) ... [2018-09-21 18:05:30,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae2169c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:30, skipping insertion in model container [2018-09-21 18:05:30,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:05:30" (1/1) ... [2018-09-21 18:05:30,938 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:05:31,281 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:05:31,300 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:05:31,337 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:05:31,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31 WrapperNode [2018-09-21 18:05:31,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:05:31,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:05:31,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:05:31,387 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:05:31,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... [2018-09-21 18:05:31,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:05:31,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:05:31,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:05:31,479 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:05:31,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:05:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:05:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:05:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:05:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-21 18:05:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:05:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:05:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:05:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:05:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:05:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:05:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:05:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:05:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-21 18:05:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:05:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:05:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:05:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:05:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:05:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:05:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:05:31,899 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:31,924 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:31,944 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:36,714 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:36,728 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:36,843 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:56,595 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:56,622 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:56,670 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:05:56,796 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:05:56,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:56 BoogieIcfgContainer [2018-09-21 18:05:56,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:05:56,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:05:56,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:05:56,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:05:56,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:05:30" (1/3) ... [2018-09-21 18:05:56,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14456778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:05:56, skipping insertion in model container [2018-09-21 18:05:56,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:05:31" (2/3) ... [2018-09-21 18:05:56,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14456778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:05:56, skipping insertion in model container [2018-09-21 18:05:56,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:56" (3/3) ... [2018-09-21 18:05:56,811 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b_true-unreach-call.c [2018-09-21 18:05:56,823 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:05:56,833 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:05:56,881 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:05:56,882 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:05:56,882 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:05:56,883 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:05:56,883 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:05:56,883 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:05:56,883 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:05:56,883 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:05:56,884 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:05:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-09-21 18:05:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-21 18:05:56,916 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:05:56,917 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 18:05:56,920 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:05:56,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1668417954, now seen corresponding path program 1 times [2018-09-21 18:05:56,931 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:05:56,931 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 18:05:56,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:05:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:05:57,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:05:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:05:57,112 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:05:57,127 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:05:57,127 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:05:57,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:05:57,148 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:05:57,149 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:05:57,152 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2018-09-21 18:05:57,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:05:57,175 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2018-09-21 18:05:57,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:05:57,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-21 18:05:57,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:05:57,195 INFO L225 Difference]: With dead ends: 86 [2018-09-21 18:05:57,198 INFO L226 Difference]: Without dead ends: 82 [2018-09-21 18:05:57,200 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 18:05:57,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-09-21 18:05:57,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-09-21 18:05:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-21 18:05:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-09-21 18:05:57,247 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 23 [2018-09-21 18:05:57,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:05:57,247 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-09-21 18:05:57,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:05:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-09-21 18:05:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-21 18:05:57,250 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:05:57,250 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:05:57,251 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:05:57,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2104630673, now seen corresponding path program 1 times [2018-09-21 18:05:57,253 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:05:57,253 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 18:05:57,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:05:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:05:57,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:05:57,589 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 18:05:57,604 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 18:05:57,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:05:57,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:05:57,693 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 18:05:57,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:05:57,751 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 18:05:57,775 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 18:05:57,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:05:57,799 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:05:57,862 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 18:05:57,862 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:05:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:05:58,192 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:05:58,207 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:05:58,207 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:05:58,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:05:58,210 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:05:58,210 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:05:58,211 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 8 states. [2018-09-21 18:05:58,727 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-21 18:05:59,034 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 18:05:59,683 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-21 18:06:16,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:06:16,984 INFO L93 Difference]: Finished difference Result 109 states and 125 transitions. [2018-09-21 18:06:17,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-21 18:06:17,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-09-21 18:06:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:06:17,722 INFO L225 Difference]: With dead ends: 109 [2018-09-21 18:06:17,722 INFO L226 Difference]: Without dead ends: 84 [2018-09-21 18:06:17,724 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:06:17,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-21 18:06:17,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2018-09-21 18:06:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-21 18:06:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-09-21 18:06:17,736 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 49 [2018-09-21 18:06:17,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:06:17,737 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-09-21 18:06:17,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:06:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-09-21 18:06:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-21 18:06:17,739 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:06:17,739 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:06:17,740 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:06:17,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1020055154, now seen corresponding path program 1 times [2018-09-21 18:06:17,741 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:06:17,742 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 18:06:17,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:06:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:06:18,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:06:22,685 WARN L178 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-21 18:06:22,764 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:06:22,764 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:06:22,766 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 18:06:22,779 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:06:22,799 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 18:06:22,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:22,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:22,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:22,848 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:06:23,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2018-09-21 18:06:23,181 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:06:23,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-09-21 18:06:23,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:23,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:23,255 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 18:06:23,255 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-21 18:06:25,378 WARN L178 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-21 18:06:25,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-09-21 18:06:25,400 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:06:25,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-09-21 18:06:25,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:25,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:25,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:25,426 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-21 18:06:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:06:25,997 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:06:26,021 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:06:26,021 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-21 18:06:26,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-21 18:06:26,022 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-21 18:06:26,022 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:06:26,023 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 15 states. [2018-09-21 18:06:37,253 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 18:06:37,535 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 18:06:53,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:06:53,237 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2018-09-21 18:06:53,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-21 18:06:53,239 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-09-21 18:06:53,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:06:53,241 INFO L225 Difference]: With dead ends: 89 [2018-09-21 18:06:53,241 INFO L226 Difference]: Without dead ends: 84 [2018-09-21 18:06:53,242 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2018-09-21 18:06:53,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-21 18:06:53,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2018-09-21 18:06:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-21 18:06:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2018-09-21 18:06:53,256 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 49 [2018-09-21 18:06:53,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:06:53,257 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2018-09-21 18:06:53,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-21 18:06:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2018-09-21 18:06:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 18:06:53,259 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:06:53,260 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:06:53,260 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:06:53,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1093039067, now seen corresponding path program 1 times [2018-09-21 18:06:53,261 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:06:53,261 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 18:06:53,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:06:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:06:54,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:06:54,345 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:06:54,346 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:06:54,348 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 18:06:54,361 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:06:54,382 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 18:06:54,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:54,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:54,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:54,424 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:06:54,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2018-09-21 18:06:54,659 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:06:54,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-09-21 18:06:54,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:54,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:54,744 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 18:06:54,745 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-21 18:06:56,840 WARN L178 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-21 18:06:56,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-09-21 18:06:56,861 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:06:56,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-09-21 18:06:56,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:06:56,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:06:56,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:06:56,894 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-21 18:06:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:06:57,242 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:06:57,269 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:06:57,269 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-21 18:06:57,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-21 18:06:57,270 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-21 18:06:57,270 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-09-21 18:06:57,270 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 11 states. [2018-09-21 18:06:57,787 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-21 18:06:58,341 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-21 18:07:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:07:12,770 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-09-21 18:07:12,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-21 18:07:12,773 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2018-09-21 18:07:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:07:12,773 INFO L225 Difference]: With dead ends: 59 [2018-09-21 18:07:12,773 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:07:12,774 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2018-09-21 18:07:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:07:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:07:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:07:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:07:12,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-09-21 18:07:12,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:07:12,775 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:07:12,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-21 18:07:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:07:12,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:07:12,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:07:12 BoogieIcfgContainer [2018-09-21 18:07:12,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:07:12,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:07:12,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:07:12,783 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:07:12,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:05:56" (3/4) ... [2018-09-21 18:07:12,792 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:07:12,798 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:07:12,799 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-21 18:07:12,799 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-21 18:07:12,799 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:07:12,806 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-09-21 18:07:12,807 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-09-21 18:07:12,807 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-21 18:07:12,810 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:07:12,914 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:07:12,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:07:12,915 INFO L168 Benchmark]: Toolchain (without parser) took 102005.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:12,916 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:07:12,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.72 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 934.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:12,917 INFO L168 Benchmark]: Boogie Preprocessor took 92.06 ms. Allocated memory is still 1.0 GB. Free memory is still 934.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:07:12,917 INFO L168 Benchmark]: RCFGBuilder took 25318.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:12,918 INFO L168 Benchmark]: TraceAbstraction took 75983.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -49.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:12,918 INFO L168 Benchmark]: Witness Printer took 131.53 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:07:12,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 471.72 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 934.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.06 ms. Allocated memory is still 1.0 GB. Free memory is still 934.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 25318.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75983.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -49.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 131.53 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: 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 5 procedures, 86 locations, 1 error locations. SAFE Result, 75.9s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 62.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 300 SDtfs, 235 SDslu, 1340 SDs, 0 SdLazy, 432 SolverSat, 37 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 52.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 167 ConstructedInterpolants, 48 QuantifiedInterpolants, 71976 SizeOfPredicates, 27 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...