/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0681b_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_0681b_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 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 --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_0681b_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 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 --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 17:50:36,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:50:36,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:50:36,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:50:36,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:50:36,805 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:50:36,806 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:50:36,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:50:36,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:50:36,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:50:36,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:50:36,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:50:36,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:50:36,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:50:36,828 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:50:36,829 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:50:36,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:50:36,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:50:36,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:50:36,844 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:50:36,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:50:36,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:50:36,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:50:36,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:50:36,850 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:50:36,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:50:36,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:50:36,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:50:36,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:50:36,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:50:36,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:50:36,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:50:36,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:50:36,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:50:36,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:50:36,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:50:36,860 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:50:36,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:50:36,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:50:36,877 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:50:36,877 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:50:36,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:50:36,879 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:50:36,879 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:50:36,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:50:36,879 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:50:36,880 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:50:36,880 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:50:36,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:50:36,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:50:36,881 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:50:36,881 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:50:36,881 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:50:36,881 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:50:36,881 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:50:36,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:50:36,882 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:50:36,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:50:36,882 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:50:36,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:50:36,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:50:36,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:50:36,885 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:50:36,885 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:50:36,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:50:36,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:50:36,885 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 -> 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 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 17:50:36,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:50:36,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:50:36,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:50:36,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:50:36,968 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:50:36,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0681b_true-unreach-call.c [2018-09-21 17:50:37,319 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e76c7c4/b3d1276a8f064228af827430f3bd2449/FLAG4939f6587 [2018-09-21 17:50:37,557 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:50:37,558 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0681b_true-unreach-call.c [2018-09-21 17:50:37,568 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e76c7c4/b3d1276a8f064228af827430f3bd2449/FLAG4939f6587 [2018-09-21 17:50:37,584 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e76c7c4/b3d1276a8f064228af827430f3bd2449 [2018-09-21 17:50:37,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:50:37,592 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:50:37,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:50:37,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:50:37,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:50:37,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:50:37" (1/1) ... [2018-09-21 17:50:37,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218fd106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:37, skipping insertion in model container [2018-09-21 17:50:37,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:50:37" (1/1) ... [2018-09-21 17:50:37,618 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:50:37,915 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:50:37,948 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:50:38,051 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:50:38,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38 WrapperNode [2018-09-21 17:50:38,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:50:38,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:50:38,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:50:38,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:50:38,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (1/1) ... [2018-09-21 17:50:38,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:50:38,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:50:38,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:50:38,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:50:38,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (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 17:50:38,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:50:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:50:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:50:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-21 17:50:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2018-09-21 17:50:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-21 17:50:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:50:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:50:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:50:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:50:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:50:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:50:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:50:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:50:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:50:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:50:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:50:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:50:39,807 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:50:39,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:50:39 BoogieIcfgContainer [2018-09-21 17:50:39,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:50:39,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:50:39,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:50:39,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:50:39,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:50:37" (1/3) ... [2018-09-21 17:50:39,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4797639b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:50:39, skipping insertion in model container [2018-09-21 17:50:39,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:38" (2/3) ... [2018-09-21 17:50:39,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4797639b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:50:39, skipping insertion in model container [2018-09-21 17:50:39,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:50:39" (3/3) ... [2018-09-21 17:50:39,823 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b_true-unreach-call.c [2018-09-21 17:50:39,833 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:50:39,844 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:50:39,887 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:50:39,888 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:50:39,888 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:50:39,888 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:50:39,889 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:50:39,889 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:50:39,889 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:50:39,889 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:50:39,889 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:50:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2018-09-21 17:50:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-21 17:50:39,925 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:50:39,926 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:50:39,929 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:50:39,935 INFO L82 PathProgramCache]: Analyzing trace with hash 598747155, now seen corresponding path program 1 times [2018-09-21 17:50:39,937 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:50:39,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:50:39,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:50:39,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:50:39,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:50:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:50:40,120 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 17:50:40,123 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:50:40,124 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:50:40,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:50:40,145 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:50:40,147 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:50:40,150 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2018-09-21 17:50:40,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:50:40,188 INFO L93 Difference]: Finished difference Result 194 states and 234 transitions. [2018-09-21 17:50:40,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:50:40,190 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-21 17:50:40,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:50:40,207 INFO L225 Difference]: With dead ends: 194 [2018-09-21 17:50:40,207 INFO L226 Difference]: Without dead ends: 190 [2018-09-21 17:50:40,210 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 17:50:40,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-09-21 17:50:40,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-09-21 17:50:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-09-21 17:50:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 230 transitions. [2018-09-21 17:50:40,278 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 230 transitions. Word has length 19 [2018-09-21 17:50:40,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:50:40,279 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 230 transitions. [2018-09-21 17:50:40,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:50:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 230 transitions. [2018-09-21 17:50:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-21 17:50:40,282 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:50:40,282 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] [2018-09-21 17:50:40,283 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:50:40,284 INFO L82 PathProgramCache]: Analyzing trace with hash -596255427, now seen corresponding path program 1 times [2018-09-21 17:50:40,284 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:50:40,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:50:40,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:50:40,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:50:40,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:50:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:50:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:50:40,496 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:50:40,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:50:40 BoogieIcfgContainer [2018-09-21 17:50:40,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:50:40,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:50:40,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:50:40,578 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:50:40,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:50:39" (3/4) ... [2018-09-21 17:50:40,588 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:50:40,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:50:40,592 INFO L168 Benchmark]: Toolchain (without parser) took 3002.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2018-09-21 17:50:40,596 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:50:40,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.90 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 17:50:40,598 INFO L168 Benchmark]: Boogie Preprocessor took 121.02 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 17:50:40,599 INFO L168 Benchmark]: RCFGBuilder took 1559.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-09-21 17:50:40,600 INFO L168 Benchmark]: TraceAbstraction took 767.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-09-21 17:50:40,601 INFO L168 Benchmark]: Witness Printer took 13.00 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 17:50:40,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.90 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 121.02 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1559.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 767.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 13.00 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: 268]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 264, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 267. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [\old(huge_atan)=6442450965, \old(one_atan)=6442450955, \old(pi)=6442450961, \old(pi_lo_atan2)=6442450954, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450959, \old(tiny_atan2)=6442450967, \old(zero_atan2)=6442450951, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L263] double x = 0.0; [L264] double y = -0.0; VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, zero_atan2=0] [L265] CALL, EXPR __ieee754_atan2(y, x) VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L148] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L149] FCALL ew_u.value = (x) VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L150] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, ew_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L150] (hx) = ew_u.parts.msw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, ew_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L150] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6442450949, \old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, ew_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L151] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, ew_u.parts.lsw=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L151] (lx) = ew_u.parts.lsw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, ew_u.parts.lsw=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L151] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6442450953, \old(x)=0, \old(y)=6442450960, ew_u={6442450950:0}, ew_u.parts.lsw=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L152] COND FALSE !(0) VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L153] ix = hx & 0x7fffffff VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L155] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L156] FCALL ew_u.value = (y) VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L157] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, ew_u.parts.msw=6442450943, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L157] (hy) = ew_u.parts.msw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, ew_u.parts.msw=6442450943, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L157] FCALL (hy) = ew_u.parts.msw VAL [(hy) = ew_u.parts.msw=6442450946, \old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, ew_u.parts.msw=6442450943, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L158] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, ew_u.parts.lsw=6442450968, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L158] (ly) = ew_u.parts.lsw VAL [\old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, ew_u.parts.lsw=6442450968, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, ly=6442450968, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L158] FCALL (ly) = ew_u.parts.lsw VAL [(ly) = ew_u.parts.lsw=6442450952, \old(x)=0, \old(y)=6442450960, ew_u={6442450958:0}, ew_u.parts.lsw=6442450968, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, ly=6442450968, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L159] COND FALSE !(0) VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, ly=6442450968, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L160] iy = hy & 0x7fffffff VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, ly=6442450968, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] RET return x + y; VAL [\old(x)=0, \old(y)=6442450960, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, hy=2147483647, lx=6442450948, ly=6442450968, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L265] EXPR __ieee754_atan2(y, x) VAL [__ieee754_atan2(y, x)=6442450969, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450969, res == -0.0 && __signbit_double(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L267] COND FALSE, EXPR !(res == -0.0 && __signbit_double(res) == 1) VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450969, res == -0.0 && __signbit_double(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] [L267] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L268] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450969, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=6442450960, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 194 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 234 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=194occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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 17:50:42,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:50:42,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:50:42,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:50:42,932 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:50:42,933 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:50:42,934 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:50:42,937 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:50:42,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:50:42,939 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:50:42,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:50:42,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:50:42,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:50:42,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:50:42,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:50:42,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:50:42,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:50:42,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:50:42,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:50:42,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:50:42,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:50:42,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:50:42,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:50:42,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:50:42,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:50:42,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:50:42,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:50:42,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:50:42,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:50:42,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:50:42,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:50:42,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:50:42,966 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:50:42,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:50:42,968 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:50:42,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:50:42,969 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:50:42,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:50:42,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:50:42,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:50:42,990 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:50:42,991 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:50:42,992 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:50:42,992 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:50:42,992 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:50:42,992 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:50:42,992 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:50:42,993 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:50:42,994 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:50:42,994 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:50:42,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:50:42,994 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:50:42,994 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:50:42,995 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:50:42,995 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:50:42,995 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:50:42,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:50:42,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:50:42,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:50:42,996 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:50:42,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:50:42,996 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:50:42,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:50:43,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:50:43,001 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:50:43,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:50:43,001 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:50:43,001 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:50:43,001 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 -> 107d4b9d9cb990f15c9b9a39acee77f79bf93da8 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 17:50:43,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:50:43,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:50:43,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:50:43,085 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:50:43,085 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:50:43,086 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0681b_true-unreach-call.c [2018-09-21 17:50:43,432 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d05fd2/ab8d7be1da4a4d948d8933701aadcf92/FLAGd9b0646b8 [2018-09-21 17:50:43,576 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:50:43,577 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0681b_true-unreach-call.c [2018-09-21 17:50:43,586 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d05fd2/ab8d7be1da4a4d948d8933701aadcf92/FLAGd9b0646b8 [2018-09-21 17:50:43,603 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d05fd2/ab8d7be1da4a4d948d8933701aadcf92 [2018-09-21 17:50:43,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:50:43,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:50:43,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:50:43,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:50:43,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:50:43,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:50:43" (1/1) ... [2018-09-21 17:50:43,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbaf814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:43, skipping insertion in model container [2018-09-21 17:50:43,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:50:43" (1/1) ... [2018-09-21 17:50:43,640 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:50:43,910 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:50:43,934 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:50:44,035 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:50:44,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44 WrapperNode [2018-09-21 17:50:44,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:50:44,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:50:44,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:50:44,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:50:44,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (1/1) ... [2018-09-21 17:50:44,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:50:44,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:50:44,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:50:44,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:50:44,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (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 17:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-21 17:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2018-09-21 17:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-21 17:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:50:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:50:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:50:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:50:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-21 17:50:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2018-09-21 17:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-21 17:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:50:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:50:44,702 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:44,751 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:45,558 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:45,594 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:45,611 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:45,645 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:45,669 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:45,710 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:50,427 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:50,437 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:50,460 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:50,516 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:50,529 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:50:50,553 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:51:09,312 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:51:09,324 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:51:09,438 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:51:09,466 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:51:09,882 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:51:09,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:51:09 BoogieIcfgContainer [2018-09-21 17:51:09,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:51:09,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:51:09,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:51:09,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:51:09,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:50:43" (1/3) ... [2018-09-21 17:51:09,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748ee217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:51:09, skipping insertion in model container [2018-09-21 17:51:09,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:50:44" (2/3) ... [2018-09-21 17:51:09,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748ee217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:51:09, skipping insertion in model container [2018-09-21 17:51:09,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:51:09" (3/3) ... [2018-09-21 17:51:09,894 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b_true-unreach-call.c [2018-09-21 17:51:09,905 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:51:09,914 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:51:09,964 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:51:09,965 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:51:09,965 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:51:09,965 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:51:09,966 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:51:09,966 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:51:09,966 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:51:09,966 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:51:09,967 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:51:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2018-09-21 17:51:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-21 17:51:10,007 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:51:10,009 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:51:10,012 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:51:10,018 INFO L82 PathProgramCache]: Analyzing trace with hash 598747155, now seen corresponding path program 1 times [2018-09-21 17:51:10,024 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:51:10,025 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 17:51:10,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:51:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:51:10,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:51:10,263 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 17:51:10,264 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:51:10,280 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:51:10,280 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:51:10,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:51:10,298 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:51:10,299 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:51:10,302 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2018-09-21 17:51:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:51:10,342 INFO L93 Difference]: Finished difference Result 194 states and 234 transitions. [2018-09-21 17:51:10,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:51:10,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-21 17:51:10,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:51:10,364 INFO L225 Difference]: With dead ends: 194 [2018-09-21 17:51:10,364 INFO L226 Difference]: Without dead ends: 190 [2018-09-21 17:51:10,367 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:51:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-09-21 17:51:10,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-09-21 17:51:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-09-21 17:51:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 230 transitions. [2018-09-21 17:51:10,458 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 230 transitions. Word has length 19 [2018-09-21 17:51:10,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:51:10,459 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 230 transitions. [2018-09-21 17:51:10,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:51:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 230 transitions. [2018-09-21 17:51:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-21 17:51:10,461 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:51:10,462 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] [2018-09-21 17:51:10,462 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:51:10,462 INFO L82 PathProgramCache]: Analyzing trace with hash -596255427, now seen corresponding path program 1 times [2018-09-21 17:51:10,464 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:51:10,464 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 17:51:10,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:51:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:51:10,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:51:11,000 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 17:51:11,019 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 17:51:11,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:11,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:11,200 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 17:51:11,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-21 17:51:11,348 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-21 17:51:11,375 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 17:51:11,391 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 17:51:11,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:11,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:11,881 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 17:51:11,881 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-21 17:51:12,347 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 17:51:12,357 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 17:51:12,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:12,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:12,450 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 17:51:12,452 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:35 [2018-09-21 17:51:12,631 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 17:51:12,651 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 17:51:12,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:12,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:12,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:51:12,706 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:44, output treesize:29 [2018-09-21 17:51:13,451 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 17:51:13,451 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:51:13,470 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:51:13,470 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-21 17:51:13,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-21 17:51:13,474 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-21 17:51:13,475 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-09-21 17:51:13,475 INFO L87 Difference]: Start difference. First operand 190 states and 230 transitions. Second operand 13 states. [2018-09-21 17:51:14,311 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 17:51:15,045 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-21 17:51:16,173 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-21 17:51:16,513 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-09-21 17:51:16,864 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-21 17:51:17,255 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-09-21 17:51:17,662 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-21 17:51:18,906 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-09-21 17:51:19,649 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-21 17:51:43,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:51:43,932 INFO L93 Difference]: Finished difference Result 227 states and 275 transitions. [2018-09-21 17:51:43,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-21 17:51:43,934 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2018-09-21 17:51:43,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:51:43,937 INFO L225 Difference]: With dead ends: 227 [2018-09-21 17:51:43,937 INFO L226 Difference]: Without dead ends: 177 [2018-09-21 17:51:43,938 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650 [2018-09-21 17:51:43,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-09-21 17:51:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-09-21 17:51:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-09-21 17:51:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2018-09-21 17:51:43,954 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 45 [2018-09-21 17:51:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:51:43,955 INFO L480 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2018-09-21 17:51:43,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-21 17:51:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2018-09-21 17:51:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 17:51:43,957 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:51:43,957 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 17:51:43,958 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:51:43,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1552123452, now seen corresponding path program 1 times [2018-09-21 17:51:43,959 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:51:43,960 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 17:51:43,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:51:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:51:44,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:51:44,302 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 17:51:44,303 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 17:51:44,304 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 17:51:44,317 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 17:51:44,337 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 17:51:44,338 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:44,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:44,382 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 17:51:44,383 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 17:51:44,710 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 17:51:44,731 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 17:51:44,783 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 17:51:44,783 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:44,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:44,844 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 17:51:44,844 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-21 17:51:46,930 WARN L178 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-21 17:51:46,958 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 17:51:46,993 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 17:51:46,999 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 17:51:47,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:51:47,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:51:47,024 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 17:51:47,024 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-21 17:51:47,545 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 17:51:47,546 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:51:47,559 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:51:47,560 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-21 17:51:47,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-21 17:51:47,560 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-21 17:51:47,560 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-09-21 17:51:47,561 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 12 states. [2018-09-21 17:51:49,209 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-21 17:51:49,505 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 17:51:49,967 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-21 17:51:50,539 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-21 17:52:07,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:52:07,402 INFO L93 Difference]: Finished difference Result 218 states and 254 transitions. [2018-09-21 17:52:07,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-21 17:52:07,405 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2018-09-21 17:52:07,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:52:07,407 INFO L225 Difference]: With dead ends: 218 [2018-09-21 17:52:07,407 INFO L226 Difference]: Without dead ends: 177 [2018-09-21 17:52:07,408 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2018-09-21 17:52:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-09-21 17:52:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-09-21 17:52:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-09-21 17:52:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 203 transitions. [2018-09-21 17:52:07,422 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 203 transitions. Word has length 50 [2018-09-21 17:52:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:52:07,422 INFO L480 AbstractCegarLoop]: Abstraction has 177 states and 203 transitions. [2018-09-21 17:52:07,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-21 17:52:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 203 transitions. [2018-09-21 17:52:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-21 17:52:07,424 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:52:07,424 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 17:52:07,426 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:52:07,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1631075388, now seen corresponding path program 1 times [2018-09-21 17:52:07,426 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:52:07,427 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 17:52:07,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:52:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:52:07,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:52:07,740 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 17:52:07,741 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:52:07,756 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:52:07,756 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-21 17:52:07,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-21 17:52:07,757 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-21 17:52:07,757 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-21 17:52:07,758 INFO L87 Difference]: Start difference. First operand 177 states and 203 transitions. Second operand 7 states. [2018-09-21 17:52:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:52:13,907 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-09-21 17:52:13,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-21 17:52:13,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-09-21 17:52:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:52:13,912 INFO L225 Difference]: With dead ends: 181 [2018-09-21 17:52:13,912 INFO L226 Difference]: Without dead ends: 181 [2018-09-21 17:52:13,913 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-21 17:52:13,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-09-21 17:52:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-09-21 17:52:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-09-21 17:52:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 207 transitions. [2018-09-21 17:52:13,926 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 207 transitions. Word has length 50 [2018-09-21 17:52:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:52:13,927 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 207 transitions. [2018-09-21 17:52:13,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-21 17:52:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 207 transitions. [2018-09-21 17:52:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-21 17:52:13,929 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:52:13,930 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:52:13,930 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:52:13,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1841466490, now seen corresponding path program 1 times [2018-09-21 17:52:13,930 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:52:13,931 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-21 17:52:13,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:52:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:52:14,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:52:14,320 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 17:52:14,328 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 17:52:14,328 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:14,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:14,416 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 17:52:14,417 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-21 17:52:14,505 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 17:52:14,512 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 17:52:14,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:14,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:14,576 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 17:52:14,577 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-21 17:52:14,823 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 17:52:14,842 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 17:52:14,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:14,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:15,001 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 17:52:15,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-21 17:52:15,164 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 17:52:15,172 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 17:52:15,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:15,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:15,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:52:15,209 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-21 17:52:16,103 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2018-09-21 17:52:16,271 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 17:52:16,272 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:52:16,285 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:52:16,285 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-21 17:52:16,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-21 17:52:16,285 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-21 17:52:16,286 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-09-21 17:52:16,286 INFO L87 Difference]: Start difference. First operand 181 states and 207 transitions. Second operand 13 states. [2018-09-21 17:52:17,172 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 17:52:17,442 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-21 17:52:18,307 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-21 17:52:19,119 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 17:52:19,685 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 17:52:20,010 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 17:52:21,352 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:52:22,310 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-21 17:52:22,751 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-09-21 17:52:23,499 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-09-21 17:52:29,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:52:29,154 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2018-09-21 17:52:29,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-21 17:52:29,156 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 51 [2018-09-21 17:52:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:52:29,157 INFO L225 Difference]: With dead ends: 184 [2018-09-21 17:52:29,157 INFO L226 Difference]: Without dead ends: 140 [2018-09-21 17:52:29,158 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2018-09-21 17:52:29,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-09-21 17:52:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2018-09-21 17:52:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-09-21 17:52:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 152 transitions. [2018-09-21 17:52:29,166 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 152 transitions. Word has length 51 [2018-09-21 17:52:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:52:29,166 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 152 transitions. [2018-09-21 17:52:29,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-21 17:52:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2018-09-21 17:52:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-21 17:52:29,170 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:52:29,170 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:52:29,171 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:52:29,171 INFO L82 PathProgramCache]: Analyzing trace with hash 92007428, now seen corresponding path program 1 times [2018-09-21 17:52:29,171 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:52:29,172 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-21 17:52:29,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:52:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:52:29,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:52:29,480 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 17:52:29,486 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 17:52:29,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:29,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:29,514 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 17:52:29,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:52:29,553 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 17:52:29,557 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 17:52:29,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:29,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:29,571 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 17:52:29,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:52:29,769 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 17:52:29,769 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:52:29,782 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:52:29,782 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 17:52:29,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 17:52:29,783 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 17:52:29,783 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 17:52:29,783 INFO L87 Difference]: Start difference. First operand 139 states and 152 transitions. Second operand 8 states. [2018-09-21 17:52:30,250 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:52:30,446 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:52:30,953 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-21 17:52:31,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:52:31,800 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2018-09-21 17:52:31,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-21 17:52:31,802 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2018-09-21 17:52:31,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:52:31,803 INFO L225 Difference]: With dead ends: 137 [2018-09-21 17:52:31,803 INFO L226 Difference]: Without dead ends: 67 [2018-09-21 17:52:31,804 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-09-21 17:52:31,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-09-21 17:52:31,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-09-21 17:52:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-21 17:52:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-09-21 17:52:31,807 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 66 [2018-09-21 17:52:31,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:52:31,808 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-09-21 17:52:31,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 17:52:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-09-21 17:52:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-21 17:52:31,812 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:52:31,812 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:52:31,812 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:52:31,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1835551701, now seen corresponding path program 1 times [2018-09-21 17:52:31,813 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:52:31,813 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-21 17:52:31,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:52:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:52:32,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:52:32,136 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 17:52:32,157 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 17:52:32,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:32,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:32,189 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 17:52:32,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:52:32,262 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 17:52:32,267 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 17:52:32,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:52:32,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:52:32,283 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 17:52:32,283 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:52:32,588 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 17:52:32,588 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:52:32,600 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:52:32,600 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-21 17:52:32,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-21 17:52:32,601 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-21 17:52:32,601 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-09-21 17:52:32,601 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 14 states. [2018-09-21 17:52:36,880 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-21 17:52:37,608 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:52:38,394 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-09-21 17:52:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:52:38,522 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-09-21 17:52:38,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-21 17:52:38,523 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2018-09-21 17:52:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:52:38,524 INFO L225 Difference]: With dead ends: 65 [2018-09-21 17:52:38,524 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 17:52:38,524 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2018-09-21 17:52:38,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 17:52:38,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 17:52:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 17:52:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 17:52:38,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-09-21 17:52:38,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:52:38,526 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 17:52:38,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-21 17:52:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 17:52:38,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 17:52:38,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:52:38 BoogieIcfgContainer [2018-09-21 17:52:38,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:52:38,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:52:38,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:52:38,533 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:52:38,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:51:09" (3/4) ... [2018-09-21 17:52:38,540 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 17:52:38,547 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-09-21 17:52:38,547 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 17:52:38,547 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-09-21 17:52:38,547 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-09-21 17:52:38,547 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 17:52:38,548 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2 [2018-09-21 17:52:38,561 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-09-21 17:52:38,562 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-09-21 17:52:38,563 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-21 17:52:38,690 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:52:38,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:52:38,691 INFO L168 Benchmark]: Toolchain (without parser) took 115080.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.1 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:52:38,696 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:52:38,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:52:38,696 INFO L168 Benchmark]: Boogie Preprocessor took 94.45 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:52:38,696 INFO L168 Benchmark]: RCFGBuilder took 25691.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-09-21 17:52:38,697 INFO L168 Benchmark]: TraceAbstraction took 88647.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:52:38,697 INFO L168 Benchmark]: Witness Printer took 157.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-09-21 17:52:38,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 481.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.45 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 25691.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88647.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * Witness Printer took 157.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 268]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 194 locations, 1 error locations. SAFE Result, 88.5s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 77.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1214 SDtfs, 1507 SDslu, 6758 SDs, 0 SdLazy, 1304 SolverSat, 122 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 62.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 340 ConstructedInterpolants, 129 QuantifiedInterpolants, 183191 SizeOfPredicates, 64 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...