/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0683b_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/float_req_bl_0683b_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 ebb06181490bcaba37fb0e636c9ff00beaef1aee --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/float_req_bl_0683b_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 ebb06181490bcaba37fb0e636c9ff00beaef1aee --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:24:43,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:24:43,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:24:43,586 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:24:43,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:24:43,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:24:43,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:24:43,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:24:43,597 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:24:43,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:24:43,607 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:24:43,607 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:24:43,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:24:43,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:24:43,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:24:43,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:24:43,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:24:43,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:24:43,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:24:43,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:24:43,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:24:43,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:24:43,636 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:24:43,639 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:24:43,639 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:24:43,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:24:43,643 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:24:43,644 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:24:43,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:24:43,646 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:24:43,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:24:43,649 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:24:43,650 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:24:43,650 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:24:43,651 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:24:43,652 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:24:43,653 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:24:43,681 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:24:43,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:24:43,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:24:43,683 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:24:43,683 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:24:43,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:24:43,684 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:24:43,684 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:24:43,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:24:43,685 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:24:43,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:24:43,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:24:43,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:24:43,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:24:43,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:24:43,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:24:43,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:24:43,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:24:43,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:24:43,687 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:24:43,689 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:24:43,689 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:24:43,689 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:24:43,689 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:24:43,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:24:43,690 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:24:43,690 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:24:43,690 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:24:43,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:24:43,690 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 -> ebb06181490bcaba37fb0e636c9ff00beaef1aee Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:24:43,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:24:43,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:24:43,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:24:43,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:24:43,793 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:24:43,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0683b_true-unreach-call.c [2018-09-21 18:24:44,155 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0959628f6/ae8ab4d5bb684b5c8fc469d129bda654/FLAG25ddfedcf [2018-09-21 18:24:44,341 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:24:44,342 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0683b_true-unreach-call.c [2018-09-21 18:24:44,354 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0959628f6/ae8ab4d5bb684b5c8fc469d129bda654/FLAG25ddfedcf [2018-09-21 18:24:44,371 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0959628f6/ae8ab4d5bb684b5c8fc469d129bda654 [2018-09-21 18:24:44,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:24:44,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:24:44,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:24:44,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:24:44,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:24:44,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:44,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4b36e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44, skipping insertion in model container [2018-09-21 18:24:44,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:44,403 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:24:44,809 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:24:44,835 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:24:44,900 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:24:44,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44 WrapperNode [2018-09-21 18:24:44,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:24:44,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:24:44,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:24:44,957 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:24:44,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:44,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:44,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:44,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:45,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:45,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:45,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (1/1) ... [2018-09-21 18:24:45,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:24:45,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:24:45,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:24:45,067 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:24:45,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (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 18:24:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-09-21 18:24:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:24:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:24:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:24:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:24:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-21 18:24:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-09-21 18:24:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-21 18:24:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-09-21 18:24:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:24:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:24:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:24:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:24:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:24:46,495 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:24:46,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:24:46 BoogieIcfgContainer [2018-09-21 18:24:46,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:24:46,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:24:46,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:24:46,501 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:24:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:24:44" (1/3) ... [2018-09-21 18:24:46,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1045dc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:24:46, skipping insertion in model container [2018-09-21 18:24:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:44" (2/3) ... [2018-09-21 18:24:46,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1045dc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:24:46, skipping insertion in model container [2018-09-21 18:24:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:24:46" (3/3) ... [2018-09-21 18:24:46,505 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b_true-unreach-call.c [2018-09-21 18:24:46,516 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:24:46,525 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:24:46,574 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:24:46,575 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:24:46,575 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:24:46,575 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:24:46,575 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:24:46,575 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:24:46,576 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:24:46,576 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:24:46,576 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:24:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2018-09-21 18:24:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-21 18:24:46,614 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:24:46,616 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] [2018-09-21 18:24:46,618 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:24:46,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1313740356, now seen corresponding path program 1 times [2018-09-21 18:24:46,627 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:24:46,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:24:46,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:24:46,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:24:46,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:24:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:24:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:24:46,835 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:24:46,835 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:24:46,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:24:46,856 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:24:46,857 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:24:46,860 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2018-09-21 18:24:46,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:24:46,896 INFO L93 Difference]: Finished difference Result 190 states and 231 transitions. [2018-09-21 18:24:46,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:24:46,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-21 18:24:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:24:46,912 INFO L225 Difference]: With dead ends: 190 [2018-09-21 18:24:46,912 INFO L226 Difference]: Without dead ends: 185 [2018-09-21 18:24:46,914 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:24:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-09-21 18:24:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-09-21 18:24:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-09-21 18:24:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 225 transitions. [2018-09-21 18:24:46,976 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 225 transitions. Word has length 27 [2018-09-21 18:24:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:24:46,977 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 225 transitions. [2018-09-21 18:24:46,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:24:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 225 transitions. [2018-09-21 18:24:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-21 18:24:46,980 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:24:46,980 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] [2018-09-21 18:24:46,980 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:24:46,981 INFO L82 PathProgramCache]: Analyzing trace with hash -317554648, now seen corresponding path program 1 times [2018-09-21 18:24:46,981 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:24:46,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:24:46,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:24:46,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:24:46,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:24:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:24:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:24:47,243 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:24:47,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:24:47 BoogieIcfgContainer [2018-09-21 18:24:47,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:24:47,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:24:47,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:24:47,338 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:24:47,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:24:46" (3/4) ... [2018-09-21 18:24:47,344 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:24:47,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:24:47,345 INFO L168 Benchmark]: Toolchain (without parser) took 2969.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -100.4 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2018-09-21 18:24:47,347 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:24:47,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:24:47,348 INFO L168 Benchmark]: Boogie Preprocessor took 106.71 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:24:47,349 INFO L168 Benchmark]: RCFGBuilder took 1432.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:24:47,350 INFO L168 Benchmark]: TraceAbstraction took 839.58 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:24:47,351 INFO L168 Benchmark]: Witness Printer took 6.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:24:47,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 577.48 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 106.71 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1432.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 839.58 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.76 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: 255]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 254, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(huge_atan)=10737418253, \old(one_atan)=10737418241, \old(pi)=10737418249, \old(pi_lo_atan2)=10737418264, \old(pi_o_2)=10737418242, \old(pi_o_4)=10737418246, \old(tiny_atan2)=10737418257, \old(zero_atan2)=10737418256, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L246] float x = 1.0f / 0.0f; [L247] float y = __VERIFIER_nondet_float(); [L249] CALL, EXPR isfinite_float(y) VAL [\old(x)=10737418254, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] __int32_t ix; VAL [\old(x)=10737418254, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L231] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418254, gf_u={10737418263:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L232] FCALL gf_u.value = (x) VAL [\old(x)=10737418254, gf_u={10737418263:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L233] EXPR, FCALL gf_u.word VAL [\old(x)=10737418254, gf_u={10737418263:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L233] (ix) = gf_u.word VAL [\old(x)=10737418254, gf_u={10737418263:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, ix=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L233] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418255, \old(x)=10737418254, gf_u={10737418263:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, ix=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L234] COND FALSE !(0) VAL [\old(x)=10737418254, huge_atan=1000000000000000000000000000000, ix=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L235] ix &= 0x7fffffff [L236] RET return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418254, \result=1, huge_atan=1000000000000000000000000000000, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418254, zero_atan2=0] [L249] EXPR isfinite_float(y) VAL [huge_atan=1000000000000000000000000000000, isfinite_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=10737418254, zero_atan2=0] [L249] COND TRUE isfinite_float(y) && y > 0.0f [L251] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L123] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418258:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L124] FCALL gf_u.value = (x) VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418258:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L125] EXPR, FCALL gf_u.word VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418258:0}, gf_u.word=10737418240, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L125] (hx) = gf_u.word VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418258:0}, gf_u.word=10737418240, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L125] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=10737418245, \old(x)=10737418247, \old(y)=10737418254, gf_u={10737418258:0}, gf_u.word=10737418240, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L126] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L127] ix = hx & 0x7fffffff VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L129] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418261:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L130] FCALL gf_u.value = (y) VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418261:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L131] EXPR, FCALL gf_u.word VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418261:0}, gf_u.word=-6442450944, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L131] (hy) = gf_u.word VAL [\old(x)=10737418247, \old(y)=10737418254, gf_u={10737418261:0}, gf_u.word=-6442450944, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L131] FCALL (hy) = gf_u.word VAL [(hy) = gf_u.word=10737418248, \old(x)=10737418247, \old(y)=10737418254, gf_u={10737418261:0}, gf_u.word=-6442450944, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L132] COND FALSE !(0) VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L133] iy = hy & 0x7fffffff VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] RET return x + y; VAL [\old(x)=10737418247, \old(y)=10737418254, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L251] EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=10737418252, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L251] float res = __ieee754_atan2f(y, x); [L254] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418252, res == 0.0f && __signbit_float(res) == 0=0, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L254] COND FALSE, EXPR !(res == 0.0f && __signbit_float(res) == 0) VAL [huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418252, res == 0.0f && __signbit_float(res) == 0=0, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] [L254] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L255] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418252, tiny_atan2=1/1000000000000000000000000000000, x=10737418247, y=10737418254, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 190 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 231 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=190occurred 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, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:24:49,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:24:49,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:24:49,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:24:49,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:24:49,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:24:49,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:24:49,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:24:49,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:24:49,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:24:49,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:24:49,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:24:49,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:24:49,810 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:24:49,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:24:49,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:24:49,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:24:49,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:24:49,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:24:49,828 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:24:49,829 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:24:49,830 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:24:49,832 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:24:49,832 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:24:49,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:24:49,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:24:49,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:24:49,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:24:49,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:24:49,837 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:24:49,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:24:49,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:24:49,838 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:24:49,838 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:24:49,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:24:49,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:24:49,840 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:24:49,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:24:49,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:24:49,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:24:49,857 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:24:49,858 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:24:49,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:24:49,858 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:24:49,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:24:49,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:24:49,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:24:49,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:24:49,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:24:49,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:24:49,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:24:49,859 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:24:49,860 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:24:49,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:24:49,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:24:49,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:24:49,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:24:49,860 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:24:49,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:24:49,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:24:49,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:24:49,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:24:49,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:24:49,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:24:49,862 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:24:49,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:24:49,863 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:24:49,863 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:24:49,863 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 -> ebb06181490bcaba37fb0e636c9ff00beaef1aee Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:24:49,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:24:49,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:24:49,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:24:49,955 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:24:49,955 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:24:49,956 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0683b_true-unreach-call.c [2018-09-21 18:24:50,336 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17286149/96a3ff2de54245f2afd82e30d25ff72f/FLAG609d419e6 [2018-09-21 18:24:50,586 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:24:50,587 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0683b_true-unreach-call.c [2018-09-21 18:24:50,601 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17286149/96a3ff2de54245f2afd82e30d25ff72f/FLAG609d419e6 [2018-09-21 18:24:50,625 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17286149/96a3ff2de54245f2afd82e30d25ff72f [2018-09-21 18:24:50,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:24:50,635 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:24:50,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:24:50,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:24:50,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:24:50,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:24:50" (1/1) ... [2018-09-21 18:24:50,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491bb7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:50, skipping insertion in model container [2018-09-21 18:24:50,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:24:50" (1/1) ... [2018-09-21 18:24:50,665 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:24:50,945 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:24:50,973 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:24:51,052 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:24:51,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51 WrapperNode [2018-09-21 18:24:51,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:24:51,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:24:51,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:24:51,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:24:51,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... [2018-09-21 18:24:51,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:24:51,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:24:51,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:24:51,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:24:51,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:24:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:24:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:24:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:24:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-21 18:24:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-09-21 18:24:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-21 18:24:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-09-21 18:24:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:24:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:24:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:24:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:24:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:24:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-21 18:24:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:24:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:24:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:24:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-21 18:24:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-21 18:24:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-09-21 18:24:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-21 18:24:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-09-21 18:24:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:24:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:24:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:24:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-21 18:24:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:24:51,787 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:51,831 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:51,889 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:51,906 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:52,867 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:52,907 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:53,830 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:53,856 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:56,003 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:24:56,041 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:25:00,449 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:25:02,632 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:25:04,476 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:25:04,509 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:25:04,599 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:25:04,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:25:04 BoogieIcfgContainer [2018-09-21 18:25:04,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:25:04,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:25:04,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:25:04,609 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:25:04,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:24:50" (1/3) ... [2018-09-21 18:25:04,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231d02f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:25:04, skipping insertion in model container [2018-09-21 18:25:04,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:24:51" (2/3) ... [2018-09-21 18:25:04,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231d02f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:25:04, skipping insertion in model container [2018-09-21 18:25:04,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:25:04" (3/3) ... [2018-09-21 18:25:04,613 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b_true-unreach-call.c [2018-09-21 18:25:04,621 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:25:04,629 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:25:04,684 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:25:04,685 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:25:04,685 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:25:04,685 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:25:04,685 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:25:04,686 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:25:04,686 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:25:04,686 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:25:04,686 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:25:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2018-09-21 18:25:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-21 18:25:04,724 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:04,726 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] [2018-09-21 18:25:04,731 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:04,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1073767598, now seen corresponding path program 1 times [2018-09-21 18:25:04,740 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:04,740 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:04,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:04,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:04,912 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:04,932 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:04,932 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:25:04,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:25:04,952 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:25:04,953 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:25:04,956 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2018-09-21 18:25:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:04,993 INFO L93 Difference]: Finished difference Result 189 states and 230 transitions. [2018-09-21 18:25:04,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:25:04,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-09-21 18:25:04,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:05,023 INFO L225 Difference]: With dead ends: 189 [2018-09-21 18:25:05,024 INFO L226 Difference]: Without dead ends: 184 [2018-09-21 18:25:05,026 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:25:05,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-09-21 18:25:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-09-21 18:25:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-09-21 18:25:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 224 transitions. [2018-09-21 18:25:05,093 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 224 transitions. Word has length 26 [2018-09-21 18:25:05,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:05,094 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 224 transitions. [2018-09-21 18:25:05,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:25:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 224 transitions. [2018-09-21 18:25:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-21 18:25:05,096 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:05,097 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:25:05,097 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:05,098 INFO L82 PathProgramCache]: Analyzing trace with hash -556621734, now seen corresponding path program 1 times [2018-09-21 18:25:05,099 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:05,099 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:05,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:05,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:05,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:05,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:05,471 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:05,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:05,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:05,495 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:05,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:05,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:05,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:05,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:05,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:05,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:06,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:06,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:06,443 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:06,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:06,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:06,605 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:25 [2018-09-21 18:25:06,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:06,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:06,719 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:06,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:06,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:06,810 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:13 [2018-09-21 18:25:07,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:07,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:07,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:07,115 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:07,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:25:07,148 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:36 [2018-09-21 18:25:07,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:07,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:07,309 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:07,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:07,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:25:07,333 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:43, output treesize:24 [2018-09-21 18:25:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:08,107 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:08,123 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:08,123 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-21 18:25:08,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-21 18:25:08,129 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-21 18:25:08,129 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2018-09-21 18:25:08,131 INFO L87 Difference]: Start difference. First operand 184 states and 224 transitions. Second operand 20 states. [2018-09-21 18:25:12,451 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-21 18:25:17,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:17,983 INFO L93 Difference]: Finished difference Result 186 states and 225 transitions. [2018-09-21 18:25:17,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-21 18:25:17,985 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-09-21 18:25:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:17,991 INFO L225 Difference]: With dead ends: 186 [2018-09-21 18:25:17,993 INFO L226 Difference]: Without dead ends: 184 [2018-09-21 18:25:17,995 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=181, Invalid=1301, Unknown=0, NotChecked=0, Total=1482 [2018-09-21 18:25:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-09-21 18:25:18,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-09-21 18:25:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-09-21 18:25:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 223 transitions. [2018-09-21 18:25:18,016 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 223 transitions. Word has length 53 [2018-09-21 18:25:18,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:18,017 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 223 transitions. [2018-09-21 18:25:18,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-21 18:25:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 223 transitions. [2018-09-21 18:25:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-21 18:25:18,021 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:18,021 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] [2018-09-21 18:25:18,021 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:18,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1085847203, now seen corresponding path program 1 times [2018-09-21 18:25:18,022 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:18,022 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:18,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:18,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:18,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:18,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:18,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:18,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:18,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:18,208 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:18,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:18,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:18,232 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:18,237 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:18,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:18,242 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:18,553 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:18,568 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:18,568 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:25:18,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:25:18,569 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:25:18,569 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:25:18,571 INFO L87 Difference]: Start difference. First operand 184 states and 223 transitions. Second operand 9 states. [2018-09-21 18:25:20,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:20,043 INFO L93 Difference]: Finished difference Result 186 states and 224 transitions. [2018-09-21 18:25:20,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:25:20,044 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-21 18:25:20,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:20,047 INFO L225 Difference]: With dead ends: 186 [2018-09-21 18:25:20,047 INFO L226 Difference]: Without dead ends: 182 [2018-09-21 18:25:20,048 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:25:20,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-09-21 18:25:20,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-09-21 18:25:20,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-09-21 18:25:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 219 transitions. [2018-09-21 18:25:20,065 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 219 transitions. Word has length 58 [2018-09-21 18:25:20,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:20,065 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 219 transitions. [2018-09-21 18:25:20,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:25:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 219 transitions. [2018-09-21 18:25:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-21 18:25:20,068 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:20,069 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] [2018-09-21 18:25:20,069 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:20,069 INFO L82 PathProgramCache]: Analyzing trace with hash 484740769, now seen corresponding path program 1 times [2018-09-21 18:25:20,069 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:20,070 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:20,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:20,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:20,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:20,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:20,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:20,308 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:20,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:20,326 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:20,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:20,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:20,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:20,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:20,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:20,375 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:20,520 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:20,535 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:20,535 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:25:20,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:25:20,536 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:25:20,536 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:25:20,538 INFO L87 Difference]: Start difference. First operand 182 states and 219 transitions. Second operand 9 states. [2018-09-21 18:25:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:22,609 INFO L93 Difference]: Finished difference Result 225 states and 274 transitions. [2018-09-21 18:25:22,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:25:22,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-21 18:25:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:22,616 INFO L225 Difference]: With dead ends: 225 [2018-09-21 18:25:22,616 INFO L226 Difference]: Without dead ends: 176 [2018-09-21 18:25:22,617 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:25:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-09-21 18:25:22,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-09-21 18:25:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-09-21 18:25:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 208 transitions. [2018-09-21 18:25:22,630 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 208 transitions. Word has length 58 [2018-09-21 18:25:22,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:22,631 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 208 transitions. [2018-09-21 18:25:22,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:25:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 208 transitions. [2018-09-21 18:25:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-21 18:25:22,635 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:22,635 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] [2018-09-21 18:25:22,635 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:22,635 INFO L82 PathProgramCache]: Analyzing trace with hash -2110183365, now seen corresponding path program 1 times [2018-09-21 18:25:22,636 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:22,636 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:22,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:22,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:22,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:22,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:22,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:22,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:22,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:22,855 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:22,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:22,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:22,914 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:22,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:22,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:22,922 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:23,257 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-09-21 18:25:23,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:23,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:23,489 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:23,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:23,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:23,521 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:23,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:23,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:23,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:23,581 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:23,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:23,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:23,848 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:23,859 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:23,859 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-21 18:25:23,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-21 18:25:23,860 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-21 18:25:23,860 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-09-21 18:25:23,861 INFO L87 Difference]: Start difference. First operand 176 states and 208 transitions. Second operand 15 states. [2018-09-21 18:25:26,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:26,571 INFO L93 Difference]: Finished difference Result 179 states and 210 transitions. [2018-09-21 18:25:26,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-21 18:25:26,575 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 59 [2018-09-21 18:25:26,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:26,576 INFO L225 Difference]: With dead ends: 179 [2018-09-21 18:25:26,577 INFO L226 Difference]: Without dead ends: 169 [2018-09-21 18:25:26,577 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2018-09-21 18:25:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-09-21 18:25:26,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-09-21 18:25:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-09-21 18:25:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 194 transitions. [2018-09-21 18:25:26,587 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 194 transitions. Word has length 59 [2018-09-21 18:25:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:26,587 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 194 transitions. [2018-09-21 18:25:26,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-21 18:25:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 194 transitions. [2018-09-21 18:25:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-21 18:25:26,591 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:26,592 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] [2018-09-21 18:25:26,592 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:26,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1043510597, now seen corresponding path program 1 times [2018-09-21 18:25:26,593 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:26,594 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 18:25:26,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:26,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:26,768 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:26,778 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:26,778 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-21 18:25:26,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-21 18:25:26,779 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-21 18:25:26,779 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-21 18:25:26,780 INFO L87 Difference]: Start difference. First operand 169 states and 194 transitions. Second operand 6 states. [2018-09-21 18:25:33,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:33,933 INFO L93 Difference]: Finished difference Result 173 states and 198 transitions. [2018-09-21 18:25:33,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-21 18:25:33,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-09-21 18:25:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:33,936 INFO L225 Difference]: With dead ends: 173 [2018-09-21 18:25:33,936 INFO L226 Difference]: Without dead ends: 173 [2018-09-21 18:25:33,936 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:25:33,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-09-21 18:25:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-09-21 18:25:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-09-21 18:25:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 198 transitions. [2018-09-21 18:25:33,948 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 198 transitions. Word has length 59 [2018-09-21 18:25:33,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:33,949 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 198 transitions. [2018-09-21 18:25:33,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-21 18:25:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 198 transitions. [2018-09-21 18:25:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-21 18:25:33,952 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:33,952 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] [2018-09-21 18:25:33,953 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:33,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1704367873, now seen corresponding path program 1 times [2018-09-21 18:25:33,955 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:33,955 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 18:25:33,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:34,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:34,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:34,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:34,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,213 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:25 [2018-09-21 18:25:34,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:34,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:34,304 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,312 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,327 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:13 [2018-09-21 18:25:34,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:34,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:34,426 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:31 [2018-09-21 18:25:34,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:34,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:34,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:34,517 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:19 [2018-09-21 18:25:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:35,055 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:35,066 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:35,066 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-21 18:25:35,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-21 18:25:35,067 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-21 18:25:35,068 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-09-21 18:25:35,068 INFO L87 Difference]: Start difference. First operand 173 states and 198 transitions. Second operand 14 states. [2018-09-21 18:25:37,092 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-09-21 18:25:38,795 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-09-21 18:25:43,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:43,746 INFO L93 Difference]: Finished difference Result 210 states and 242 transitions. [2018-09-21 18:25:43,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-21 18:25:43,748 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2018-09-21 18:25:43,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:43,752 INFO L225 Difference]: With dead ends: 210 [2018-09-21 18:25:43,752 INFO L226 Difference]: Without dead ends: 171 [2018-09-21 18:25:43,753 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2018-09-21 18:25:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-09-21 18:25:43,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2018-09-21 18:25:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-09-21 18:25:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 189 transitions. [2018-09-21 18:25:43,761 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 189 transitions. Word has length 60 [2018-09-21 18:25:43,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:43,762 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 189 transitions. [2018-09-21 18:25:43,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-21 18:25:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 189 transitions. [2018-09-21 18:25:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-21 18:25:43,764 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:43,765 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] [2018-09-21 18:25:43,765 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:43,765 INFO L82 PathProgramCache]: Analyzing trace with hash 722219978, now seen corresponding path program 1 times [2018-09-21 18:25:43,767 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:43,767 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-21 18:25:43,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:43,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:43,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:43,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:43,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:43,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:43,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:43,996 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:44,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:44,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:44,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:44,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:44,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:44,026 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:44,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:44,190 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:44,190 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:25:44,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:25:44,191 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:25:44,191 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:25:44,191 INFO L87 Difference]: Start difference. First operand 169 states and 189 transitions. Second operand 9 states. [2018-09-21 18:25:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:45,664 INFO L93 Difference]: Finished difference Result 167 states and 185 transitions. [2018-09-21 18:25:45,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:25:45,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-09-21 18:25:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:45,667 INFO L225 Difference]: With dead ends: 167 [2018-09-21 18:25:45,667 INFO L226 Difference]: Without dead ends: 76 [2018-09-21 18:25:45,667 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:25:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-21 18:25:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-09-21 18:25:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-09-21 18:25:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 75 transitions. [2018-09-21 18:25:45,672 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 75 transitions. Word has length 61 [2018-09-21 18:25:45,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:45,672 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 75 transitions. [2018-09-21 18:25:45,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:25:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 75 transitions. [2018-09-21 18:25:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-21 18:25:45,675 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:25:45,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:25:45,676 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:25:45,676 INFO L82 PathProgramCache]: Analyzing trace with hash -235400760, now seen corresponding path program 1 times [2018-09-21 18:25:45,677 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:25:45,677 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-09-21 18:25:45,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:25:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:25:45,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:25:45,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:25:45,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:25:45,888 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:45,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:45,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:45,903 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:25:45,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:25:45,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:25:45,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:25:45,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:45,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:25:45,943 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:25:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:25:46,110 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:25:46,121 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:25:46,121 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-21 18:25:46,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-21 18:25:46,122 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-21 18:25:46,122 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-09-21 18:25:46,122 INFO L87 Difference]: Start difference. First operand 76 states and 75 transitions. Second operand 13 states. [2018-09-21 18:25:50,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:25:50,466 INFO L93 Difference]: Finished difference Result 74 states and 73 transitions. [2018-09-21 18:25:50,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-21 18:25:50,467 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 75 [2018-09-21 18:25:50,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:25:50,468 INFO L225 Difference]: With dead ends: 74 [2018-09-21 18:25:50,468 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:25:50,468 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-09-21 18:25:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:25:50,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:25:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:25:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:25:50,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-09-21 18:25:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:25:50,470 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:25:50,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-21 18:25:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:25:50,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:25:50,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:25:50 BoogieIcfgContainer [2018-09-21 18:25:50,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:25:50,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:25:50,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:25:50,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:25:50,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:25:04" (3/4) ... [2018-09-21 18:25:50,479 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:25:50,485 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:25:50,485 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-21 18:25:50,486 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-09-21 18:25:50,486 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-09-21 18:25:50,486 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:25:50,486 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-09-21 18:25:50,486 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-09-21 18:25:50,498 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-09-21 18:25:50,498 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-09-21 18:25:50,499 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-21 18:25:50,598 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:25:50,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:25:50,600 INFO L168 Benchmark]: Toolchain (without parser) took 59967.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 284.7 MB). Free memory was 951.8 MB in the beginning and 928.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 307.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:25:50,600 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:25:50,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 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 18:25:50,602 INFO L168 Benchmark]: Boogie Preprocessor took 134.47 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 18:25:50,602 INFO L168 Benchmark]: RCFGBuilder took 13345.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:25:50,603 INFO L168 Benchmark]: TraceAbstraction took 45871.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 1.1 GB in the beginning and 937.3 MB in the end (delta: 159.9 MB). Peak memory consumption was 284.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:25:50,604 INFO L168 Benchmark]: Witness Printer took 123.26 ms. Allocated memory is still 1.3 GB. Free memory was 937.3 MB in the beginning and 928.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:25:50,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 483.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 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 134.47 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 13345.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45871.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 1.1 GB in the beginning and 937.3 MB in the end (delta: 159.9 MB). Peak memory consumption was 284.7 MB. Max. memory is 11.5 GB. * Witness Printer took 123.26 ms. Allocated memory is still 1.3 GB. Free memory was 937.3 MB in the beginning and 928.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 255]: 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 8 procedures, 189 locations, 1 error locations. SAFE Result, 45.8s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 37.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1693 SDtfs, 2054 SDslu, 11108 SDs, 0 SdLazy, 1912 SolverSat, 140 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 28.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred 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, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 509 NumberOfCodeBlocks, 509 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 500 ConstructedInterpolants, 90 QuantifiedInterpolants, 240346 SizeOfPredicates, 86 NumberOfNonLiveVariables, 1299 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...