java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loops/ludcmp_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 10:25:08,149 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 10:25:08,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 10:25:08,168 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 10:25:08,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 10:25:08,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 10:25:08,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 10:25:08,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 10:25:08,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 10:25:08,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 10:25:08,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 10:25:08,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 10:25:08,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 10:25:08,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 10:25:08,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 10:25:08,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 10:25:08,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 10:25:08,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 10:25:08,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 10:25:08,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 10:25:08,191 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 10:25:08,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 10:25:08,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 10:25:08,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 10:25:08,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 10:25:08,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 10:25:08,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 10:25:08,203 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 10:25:08,204 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 10:25:08,205 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 10:25:08,205 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 10:25:08,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 10:25:08,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 10:25:08,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 10:25:08,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 10:25:08,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 10:25:08,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 10:25:08,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 10:25:08,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 10:25:08,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 10:25:08,244 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 10:25:08,244 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 10:25:08,244 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 10:25:08,244 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 10:25:08,249 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 10:25:08,249 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 10:25:08,249 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 10:25:08,249 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 10:25:08,249 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 10:25:08,250 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 10:25:08,250 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 10:25:08,251 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 10:25:08,251 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 10:25:08,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 10:25:08,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 10:25:08,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 10:25:08,252 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 10:25:08,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 10:25:08,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 10:25:08,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 10:25:08,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 10:25:08,253 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 10:25:08,253 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 10:25:08,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 10:25:08,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 10:25:08,253 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 10:25:08,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 10:25:08,254 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 10:25:08,254 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 10:25:08,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 10:25:08,254 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 10:25:08,255 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 10:25:08,255 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 10:25:08,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 10:25:08,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 10:25:08,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 10:25:08,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 10:25:08,320 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 10:25:08,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/ludcmp_false-unreach-call.i [2018-11-07 10:25:08,383 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4ff31d0/c8d5f6f8ae044fc6996c39b9f12465cb/FLAGabb05c375 [2018-11-07 10:25:08,916 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 10:25:08,917 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp_false-unreach-call.i [2018-11-07 10:25:08,925 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4ff31d0/c8d5f6f8ae044fc6996c39b9f12465cb/FLAGabb05c375 [2018-11-07 10:25:08,940 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4ff31d0/c8d5f6f8ae044fc6996c39b9f12465cb [2018-11-07 10:25:08,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 10:25:08,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 10:25:08,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 10:25:08,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 10:25:08,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 10:25:08,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:25:08" (1/1) ... [2018-11-07 10:25:08,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429b8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:08, skipping insertion in model container [2018-11-07 10:25:08,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:25:08" (1/1) ... [2018-11-07 10:25:08,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 10:25:09,010 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 10:25:09,295 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:25:09,428 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 10:25:09,488 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:25:09,649 INFO L193 MainTranslator]: Completed translation [2018-11-07 10:25:09,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09 WrapperNode [2018-11-07 10:25:09,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 10:25:09,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 10:25:09,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 10:25:09,652 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 10:25:09,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 10:25:09,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 10:25:09,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 10:25:09,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 10:25:09,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:09,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:10,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (1/1) ... [2018-11-07 10:25:10,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 10:25:10,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 10:25:10,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 10:25:10,022 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 10:25:10,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (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 [2018-11-07 10:25:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-07 10:25:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2018-11-07 10:25:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2018-11-07 10:25:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 10:25:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 10:25:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2018-11-07 10:25:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2018-11-07 10:25:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-07 10:25:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-07 10:25:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 10:25:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 10:25:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 10:25:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 10:25:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-07 10:25:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 10:25:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 10:25:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-07 10:25:18,660 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 10:25:18,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:25:18 BoogieIcfgContainer [2018-11-07 10:25:18,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 10:25:18,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 10:25:18,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 10:25:18,666 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 10:25:18,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:25:08" (1/3) ... [2018-11-07 10:25:18,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dff6c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:25:18, skipping insertion in model container [2018-11-07 10:25:18,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:25:09" (2/3) ... [2018-11-07 10:25:18,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dff6c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:25:18, skipping insertion in model container [2018-11-07 10:25:18,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:25:18" (3/3) ... [2018-11-07 10:25:18,673 INFO L112 eAbstractionObserver]: Analyzing ICFG ludcmp_false-unreach-call.i [2018-11-07 10:25:18,684 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 10:25:18,702 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 10:25:18,722 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 10:25:18,773 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 10:25:18,773 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 10:25:18,774 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 10:25:18,774 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 10:25:18,774 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 10:25:18,774 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 10:25:18,775 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 10:25:18,775 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 10:25:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states. [2018-11-07 10:25:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2617 [2018-11-07 10:25:18,994 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:25:18,998 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:25:19,002 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:25:19,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:25:19,010 INFO L82 PathProgramCache]: Analyzing trace with hash -534688526, now seen corresponding path program 1 times [2018-11-07 10:25:19,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:25:19,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:25:19,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:25:19,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:25:19,063 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:25:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:25:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:25:25,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:25:25,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 10:25:25,030 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:25:25,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 10:25:25,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 10:25:25,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 10:25:25,057 INFO L87 Difference]: Start difference. First operand 2720 states. Second operand 2 states. [2018-11-07 10:25:25,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:25:25,167 INFO L93 Difference]: Finished difference Result 2831 states and 2887 transitions. [2018-11-07 10:25:25,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 10:25:25,169 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2616 [2018-11-07 10:25:25,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:25:25,225 INFO L225 Difference]: With dead ends: 2831 [2018-11-07 10:25:25,226 INFO L226 Difference]: Without dead ends: 2630 [2018-11-07 10:25:25,236 INFO L604 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 [2018-11-07 10:25:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2018-11-07 10:25:25,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2630. [2018-11-07 10:25:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2630 states. [2018-11-07 10:25:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 2632 transitions. [2018-11-07 10:25:25,391 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 2632 transitions. Word has length 2616 [2018-11-07 10:25:25,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:25:25,398 INFO L480 AbstractCegarLoop]: Abstraction has 2630 states and 2632 transitions. [2018-11-07 10:25:25,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 10:25:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 2632 transitions. [2018-11-07 10:25:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2618 [2018-11-07 10:25:25,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:25:25,498 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:25:25,498 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:25:25,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:25:25,500 INFO L82 PathProgramCache]: Analyzing trace with hash -39586423, now seen corresponding path program 1 times [2018-11-07 10:25:25,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:25:25,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:25:25,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:25:25,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:25:25,503 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:25:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:25:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:25:30,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:25:30,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 10:25:30,013 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:25:30,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 10:25:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 10:25:30,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 10:25:30,019 INFO L87 Difference]: Start difference. First operand 2630 states and 2632 transitions. Second operand 4 states. [2018-11-07 10:25:30,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:25:30,336 INFO L93 Difference]: Finished difference Result 2661 states and 2667 transitions. [2018-11-07 10:25:30,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 10:25:30,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2617 [2018-11-07 10:25:30,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:25:30,353 INFO L225 Difference]: With dead ends: 2661 [2018-11-07 10:25:30,354 INFO L226 Difference]: Without dead ends: 2640 [2018-11-07 10:25:30,356 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 10:25:30,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-11-07 10:25:30,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2632. [2018-11-07 10:25:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2632 states. [2018-11-07 10:25:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 2634 transitions. [2018-11-07 10:25:30,415 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 2634 transitions. Word has length 2617 [2018-11-07 10:25:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:25:30,420 INFO L480 AbstractCegarLoop]: Abstraction has 2632 states and 2634 transitions. [2018-11-07 10:25:30,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 10:25:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 2634 transitions. [2018-11-07 10:25:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2625 [2018-11-07 10:25:30,472 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:25:30,474 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:25:30,474 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:25:30,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:25:30,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1236748763, now seen corresponding path program 1 times [2018-11-07 10:25:30,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:25:30,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:25:30,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:25:30,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:25:30,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:25:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:25:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:25:34,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 10:25:34,717 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 10:25:34,721 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2625 with the following transitions: [2018-11-07 10:25:34,727 INFO L202 CegarAbsIntRunner]: [187], [188], [189], [190], [191], [192], [193], [194], [195], [196], [197], [198], [199], [200], [201], [202], [203], [204], [205], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [218], [219], [220], [221], [222], [223], [224], [225], [226], [227], [228], [229], [230], [231], [232], [233], [234], [235], [236], [237], [238], [239], [240], [241], [242], [243], [244], [245], [246], [247], [248], [249], [250], [251], [252], [253], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], 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[2625], [2626], [2627], [2628], [2629], [2630], [2631], [2632], [2633], [2634], [2635], [2636], [2637], [2638], [2639], [2640], [2641], [2642], [2643], [2644], [2645], [2646], [2647], [2648], [2649], [2650], [2651], [2652], [2653], [2654], [2655], [2656], [2657], [2658], [2659], [2660], [2661], [2662], [2663], [2664], [2665], [2666], [2667], [2668], [2669], [2670], [2671], [2672], [2673], [2674], [2675], [2676], [2677], [2678], [2679], [2680], [2681], [2682], [2683], [2684], [2685], [2686], [2687], [2688], [2689], [2690], [2691], [2692], [2693], [2694], [2695], [2696], [2697], [2698], [2699], [2700], [2701], [2702], [2703], [2704], [2705], [2706], [2707], [2708], [2709], [2710], [2711], [2712], [2713], [2714], [2715], [2716], [2717], [2718], [2719], [2720], [2721], [2722], [2723], [2724], [2725], [2726], [2727], [2728], [2729], [2730], [2731], [2732], [2733], [2734], [2735], [2736], [2737], [2738], [2739], [2740], [2741], [2742], [2743], [2744], [2745], [2746], [2747], [2748], [2749], [2750], [2751], [2752], [2753], [2754], [2755], [2756], [2757], [2758], [2759], [2760], [2761], [2762], [2763], [2764], [2765], [2766], [2767], [2768], [2769], [2770], [2771], [2772], [2773], [2774], [2775], [2776], [2777], [2778], [2779], [2780], [2781], [2782], [2783], [2784], [2785], [2786], [2787], [2788], [2789], [2790], [2791], [2804], [2808], [2813], [2817], [2820], [2822], [2823], [2831], [2833], [2834], [2836], [2850], [2853], [2855], [2863], [2864], [2865], [2867] [2018-11-07 10:25:34,802 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 10:25:34,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 10:25:35,970 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.NumberFormatException: For input string: "1/1000000" at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.NumberFormatException: For input string: "1/1000000" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:580) at java.math.BigInteger.(BigInteger.java:470) at java.math.BigInteger.(BigInteger.java:606) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueStatementProcessor.lambda$0(ExplicitValueStatementProcessor.java:60) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.EvaluatorFactory.createSingletonValueExpressionEvaluator(EvaluatorFactory.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.visit(NonrelationalStatementProcessor.java:450) at de.uni_freiburg.informatik.ultimate.boogie.BoogieVisitor.processExpression(BoogieVisitor.java:369) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processExpression(NonrelationalStatementProcessor.java:209) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpression(BoogieTransformer.java:674) at de.uni_freiburg.informatik.ultimate.boogie.BoogieVisitor.processExpression(BoogieVisitor.java:383) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processExpression(NonrelationalStatementProcessor.java:209) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssumeStatement(NonrelationalStatementProcessor.java:392) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:182) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:164) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:362) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:353) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:334) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:530) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:334) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-07 10:25:35,980 INFO L168 Benchmark]: Toolchain (without parser) took 27025.27 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -981.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 10:25:35,982 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 10:25:35,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 10:25:35,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -862.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2018-11-07 10:25:35,986 INFO L168 Benchmark]: Boogie Preprocessor took 170.24 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2018-11-07 10:25:35,987 INFO L168 Benchmark]: RCFGBuilder took 8639.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 463.5 MB). Peak memory consumption was 463.5 MB. Max. memory is 7.1 GB. [2018-11-07 10:25:35,988 INFO L168 Benchmark]: TraceAbstraction took 17316.69 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: -665.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 10:25:35,999 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 199.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -862.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.24 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8639.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 463.5 MB). Peak memory consumption was 463.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17316.69 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: -665.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.NumberFormatException: For input string: "1/1000000" de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.NumberFormatException: For input string: "1/1000000": de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...