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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:13:51,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:13:51,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:13:51,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:13:51,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:13:51,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:13:51,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:13:51,324 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:13:51,326 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:13:51,327 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:13:51,328 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:13:51,328 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:13:51,329 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:13:51,330 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:13:51,332 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:13:51,332 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:13:51,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:13:51,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:13:51,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:13:51,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:13:51,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:13:51,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:13:51,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:13:51,345 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:13:51,345 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:13:51,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:13:51,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:13:51,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:13:51,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:13:51,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:13:51,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:13:51,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:13:51,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:13:51,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:13:51,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:13:51,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:13:51,354 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 16:13:51,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:13:51,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:13:51,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:13:51,371 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:13:51,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:13:51,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:13:51,372 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:13:51,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:13:51,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:13:51,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:13:51,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:13:51,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:13:51,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:13:51,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:13:51,374 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:13:51,374 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:13:51,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:13:51,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:13:51,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:13:51,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:13:51,375 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:13:51,375 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:13:51,375 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:13:51,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:13:51,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:13:51,376 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:13:51,376 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:13:51,376 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:13:51,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:13:51,377 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:13:51,377 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:13:51,377 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:13:51,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:13:51,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:13:51,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:13:51,439 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:13:51,440 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:13:51,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c [2018-09-19 16:13:51,790 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53707aa9c/45d03e0f2b744b7697442f406d8aeaee/FLAG4189522d8 [2018-09-19 16:13:52,108 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:13:52,109 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c [2018-09-19 16:13:52,126 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53707aa9c/45d03e0f2b744b7697442f406d8aeaee/FLAG4189522d8 [2018-09-19 16:13:52,141 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53707aa9c/45d03e0f2b744b7697442f406d8aeaee [2018-09-19 16:13:52,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:13:52,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:13:52,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:13:52,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:13:52,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:13:52,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:13:52" (1/1) ... [2018-09-19 16:13:52,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c2efa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:52, skipping insertion in model container [2018-09-19 16:13:52,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:13:52" (1/1) ... [2018-09-19 16:13:52,189 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:13:52,815 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:13:52,840 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:13:53,016 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:13:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53 WrapperNode [2018-09-19 16:13:53,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:13:53,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:13:53,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:13:53,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:13:53,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (1/1) ... [2018-09-19 16:13:53,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:13:53,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:13:53,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:13:53,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:13:53,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (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 [2018-09-19 16:13:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:13:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:13:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-19 16:13:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-19 16:13:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-19 16:13:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-19 16:13:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-19 16:13:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-19 16:13:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-19 16:13:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-19 16:13:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_double [2018-09-19 16:13:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-19 16:13:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 16:13:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-19 16:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 16:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:13:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 16:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-19 16:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-19 16:13:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-19 16:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-19 16:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-19 16:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-19 16:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-19 16:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_double [2018-09-19 16:13:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-19 16:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:13:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 16:13:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:13:54,081 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:54,573 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:54,600 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:55,135 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:55,145 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:56,309 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,681 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,779 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,795 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,833 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,844 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,870 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,964 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,984 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:57,998 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:59,242 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:59,271 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:59,335 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:01,922 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:01,959 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:04,640 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:06,878 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:09,212 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:10,245 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,448 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,459 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,468 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,487 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,498 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:14,026 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:20,005 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:20,015 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:20,031 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:20,084 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:20,377 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:23,455 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:23,465 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:23,510 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:38,508 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:39,035 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:39,048 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:39,490 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:39,545 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:39,619 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:44,534 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:44,583 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:44,598 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:45,604 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:45,614 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:45,633 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:48,758 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:48,769 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:48,787 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:48,822 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:48,831 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:49,444 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:52,189 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:14:52,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:14:52 BoogieIcfgContainer [2018-09-19 16:14:52,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:14:52,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:14:52,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:14:52,195 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:14:52,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:13:52" (1/3) ... [2018-09-19 16:14:52,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3b1fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:14:52, skipping insertion in model container [2018-09-19 16:14:52,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:53" (2/3) ... [2018-09-19 16:14:52,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3b1fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:14:52, skipping insertion in model container [2018-09-19 16:14:52,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:14:52" (3/3) ... [2018-09-19 16:14:52,198 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0886a_true-unreach-call.c [2018-09-19 16:14:52,208 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:14:52,216 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:14:52,281 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:14:52,282 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:14:52,282 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:14:52,283 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:14:52,283 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:14:52,283 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:14:52,283 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:14:52,283 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:14:52,283 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:14:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states. [2018-09-19 16:14:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-19 16:14:52,333 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:14:52,334 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] [2018-09-19 16:14:52,338 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:14:52,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1231243879, now seen corresponding path program 1 times [2018-09-19 16:14:52,349 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:14:52,350 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 [2018-09-19 16:14:52,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:14:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:14:52,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:14:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:14:52,675 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:14:52,694 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:14:52,694 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:14:52,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:14:52,714 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:14:52,715 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:14:52,718 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 2 states. [2018-09-19 16:14:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:14:52,827 INFO L93 Difference]: Finished difference Result 1335 states and 1754 transitions. [2018-09-19 16:14:52,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:14:52,829 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-19 16:14:52,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:14:52,852 INFO L225 Difference]: With dead ends: 1335 [2018-09-19 16:14:52,852 INFO L226 Difference]: Without dead ends: 667 [2018-09-19 16:14:52,865 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:14:52,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-09-19 16:14:52,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2018-09-19 16:14:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-09-19 16:14:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 792 transitions. [2018-09-19 16:14:52,965 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 792 transitions. Word has length 22 [2018-09-19 16:14:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:14:52,965 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 792 transitions. [2018-09-19 16:14:52,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:14:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 792 transitions. [2018-09-19 16:14:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-19 16:14:52,969 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:14:52,970 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] [2018-09-19 16:14:52,970 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:14:52,970 INFO L82 PathProgramCache]: Analyzing trace with hash 2045314595, now seen corresponding path program 1 times [2018-09-19 16:14:52,971 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:14:52,971 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 [2018-09-19 16:14:52,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:14:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:14:53,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:14:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:14:53,245 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:14:53,264 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:14:53,264 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-19 16:14:53,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-19 16:14:53,266 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-19 16:14:53,267 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-19 16:14:53,267 INFO L87 Difference]: Start difference. First operand 667 states and 792 transitions. Second operand 4 states. [2018-09-19 16:14:53,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:14:53,452 INFO L93 Difference]: Finished difference Result 1229 states and 1451 transitions. [2018-09-19 16:14:53,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-19 16:14:53,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-09-19 16:14:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:14:53,458 INFO L225 Difference]: With dead ends: 1229 [2018-09-19 16:14:53,458 INFO L226 Difference]: Without dead ends: 667 [2018-09-19 16:14:53,461 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-19 16:14:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-09-19 16:14:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2018-09-19 16:14:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-09-19 16:14:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 790 transitions. [2018-09-19 16:14:53,489 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 790 transitions. Word has length 48 [2018-09-19 16:14:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:14:53,489 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 790 transitions. [2018-09-19 16:14:53,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-19 16:14:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 790 transitions. [2018-09-19 16:14:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-19 16:14:53,495 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:14:53,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:14:53,495 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:14:53,496 INFO L82 PathProgramCache]: Analyzing trace with hash -78193032, now seen corresponding path program 1 times [2018-09-19 16:14:53,496 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:14:53,497 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 [2018-09-19 16:14:53,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:14:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:14:54,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:14:55,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:14:55,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:14:55,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:55,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:55,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:55,450 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-19 16:14:55,768 INFO L303 Elim1Store]: Index analysis took 177 ms [2018-09-19 16:14:55,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:14:55,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:14:55,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:56,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:56,490 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. [2018-09-19 16:14:56,491 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:20 [2018-09-19 16:14:57,003 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-19 16:14:57,361 INFO L303 Elim1Store]: Index analysis took 328 ms [2018-09-19 16:14:57,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:14:57,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:14:57,394 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:57,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:58,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:58,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-19 16:14:58,348 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-19 16:14:58,530 INFO L303 Elim1Store]: Index analysis took 176 ms [2018-09-19 16:14:58,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:14:58,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:14:58,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:58,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:58,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:58,690 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:33 [2018-09-19 16:14:58,904 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-19 16:14:59,419 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-19 16:15:01,887 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_57| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_57|) ((_ extract 62 52) |v_q#valueAsBitvector_57|) ((_ extract 51 0) |v_q#valueAsBitvector_57|)))) (exists ((fmod_double_~ly~1 (_ BitVec 32)) (|v_q#valueAsBitvector_58| (_ BitVec 64))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_58|) ((_ extract 62 52) |v_q#valueAsBitvector_58|) ((_ extract 51 0) |v_q#valueAsBitvector_58|))) (bvugt (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_58|) (_ bv2147483647 32)) (bvlshr (bvor fmod_double_~ly~1 (bvneg fmod_double_~ly~1)) (_ bv31 32))) (_ bv2146435072 32))))) (and (exists ((v_prenex_6 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_6))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32)))) .cse0 (exists ((v_prenex_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |c_fmod_double_#in~y|))) (and (exists ((v_prenex_2 (_ BitVec 64)) (v_prenex_1 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) v_prenex_2) (_ bv2147483647 32)) v_prenex_1) (_ bv0 32)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2))))) .cse0 (exists ((v_prenex_4 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_4) ((_ extract 62 52) v_prenex_4) ((_ extract 51 0) v_prenex_4))))))) is different from false [2018-09-19 16:15:04,409 WARN L819 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_57| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_57|) ((_ extract 62 52) |v_q#valueAsBitvector_57|) ((_ extract 51 0) |v_q#valueAsBitvector_57|)))) (exists ((fmod_double_~ly~1 (_ BitVec 32)) (|v_q#valueAsBitvector_58| (_ BitVec 64))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_58|) ((_ extract 62 52) |v_q#valueAsBitvector_58|) ((_ extract 51 0) |v_q#valueAsBitvector_58|))) (bvugt (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_58|) (_ bv2147483647 32)) (bvlshr (bvor fmod_double_~ly~1 (bvneg fmod_double_~ly~1)) (_ bv31 32))) (_ bv2146435072 32))))) (and (exists ((v_prenex_6 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_6))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32)))) .cse0 (exists ((v_prenex_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |c_fmod_double_#in~y|))) (and (exists ((v_prenex_2 (_ BitVec 64)) (v_prenex_1 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) v_prenex_2) (_ bv2147483647 32)) v_prenex_1) (_ bv0 32)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2))))) .cse0 (exists ((v_prenex_4 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_4) ((_ extract 62 52) v_prenex_4) ((_ extract 51 0) v_prenex_4))))))) is different from true [2018-09-19 16:15:38,185 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-19 16:15:38,386 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2018-09-19 16:15:38,388 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:893) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:732) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:338) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) 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:430) 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:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-09-19 16:15:38,393 INFO L168 Benchmark]: Toolchain (without parser) took 106240.02 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -418.4 MB). Peak memory consumption was 303.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:38,394 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:15:38,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.38 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. [2018-09-19 16:15:38,396 INFO L168 Benchmark]: Boogie Preprocessor took 284.99 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:38,397 INFO L168 Benchmark]: RCFGBuilder took 58823.97 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 178.8 MB). Peak memory consumption was 178.8 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:38,397 INFO L168 Benchmark]: TraceAbstraction took 46201.09 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 172.6 MB). Peak memory consumption was 172.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:38,404 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 919.38 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 Preprocessor took 284.99 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 58823.97 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 178.8 MB). Peak memory consumption was 178.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46201.09 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 172.6 MB). Peak memory consumption was 172.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...