java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:58:44,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:58:44,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:58:44,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 12:58:44,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 12:58:44,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 12:58:44,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 12:58:44,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 12:58:44,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 12:58:44,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 12:58:44,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 12:58:44,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 12:58:44,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:58:44,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:58:44,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:58:44,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:58:44,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:58:44,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:58:44,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:58:44,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:58:44,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:58:44,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:58:44,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:58:44,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:58:44,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 12:58:44,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 12:58:44,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 12:58:44,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 12:58:44,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 12:58:44,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 12:58:44,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 12:58:44,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 12:58:44,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 12:58:44,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:58:44,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:58:44,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:58:44,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 12:58:44,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:58:44,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:58:44,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:58:44,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:58:44,294 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:58:44,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:58:44,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:58:44,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:58:44,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:58:44,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:58:44,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:58:44,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:58:44,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:58:44,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:58:44,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:58:44,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:58:44,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:58:44,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:58:44,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:58:44,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:58:44,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:58:44,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:58:44,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:58:44,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:58:44,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:58:44,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:58:44,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:58:44,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:58:44,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:58:44,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:58:44,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:58:44,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:58:44,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:58:44,380 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:58:44,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-20 12:58:44,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005de7418/f7eed576e7a24c6f8e37911db5305abf/FLAG4cb7b7537 [2019-09-20 12:58:44,963 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:58:44,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-20 12:58:44,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005de7418/f7eed576e7a24c6f8e37911db5305abf/FLAG4cb7b7537 [2019-09-20 12:58:45,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005de7418/f7eed576e7a24c6f8e37911db5305abf [2019-09-20 12:58:45,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:58:45,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:58:45,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:58:45,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:58:45,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:58:45,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:45,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f76487c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45, skipping insertion in model container [2019-09-20 12:58:45,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:45,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:58:45,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:58:45,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:58:45,864 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:58:45,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:58:45,974 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:58:45,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45 WrapperNode [2019-09-20 12:58:45,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:58:45,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:58:45,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:58:45,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:58:45,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:45,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:46,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:46,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:46,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:46,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:46,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (1/1) ... [2019-09-20 12:58:46,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:58:46,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:58:46,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:58:46,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:58:46,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (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 [2019-09-20 12:58:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:58:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:58:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-20 12:58:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2019-09-20 12:58:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2019-09-20 12:58:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2019-09-20 12:58:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2019-09-20 12:58:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2019-09-20 12:58:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2019-09-20 12:58:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2019-09-20 12:58:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:58:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 12:58:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:58:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 12:58:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 12:58:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-20 12:58:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-20 12:58:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-20 12:58:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2019-09-20 12:58:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2019-09-20 12:58:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2019-09-20 12:58:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2019-09-20 12:58:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 12:58:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2019-09-20 12:58:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2019-09-20 12:58:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 12:58:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:58:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 12:58:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 12:58:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 12:58:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 12:58:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 12:58:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 12:58:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 12:58:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 12:58:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 12:58:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:58:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 12:58:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:58:47,074 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:58:47,075 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-20 12:58:47,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:58:47 BoogieIcfgContainer [2019-09-20 12:58:47,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:58:47,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:58:47,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:58:47,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:58:47,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:58:45" (1/3) ... [2019-09-20 12:58:47,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650fca11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:58:47, skipping insertion in model container [2019-09-20 12:58:47,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:58:45" (2/3) ... [2019-09-20 12:58:47,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650fca11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:58:47, skipping insertion in model container [2019-09-20 12:58:47,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:58:47" (3/3) ... [2019-09-20 12:58:47,088 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2019-09-20 12:58:47,100 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:58:47,107 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:58:47,125 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:58:47,154 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:58:47,155 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:58:47,155 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:58:47,155 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:58:47,155 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:58:47,155 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:58:47,155 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:58:47,156 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:58:47,156 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:58:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-09-20 12:58:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 12:58:47,187 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:58:47,188 INFO L407 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] [2019-09-20 12:58:47,190 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:58:47,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:58:47,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1024985055, now seen corresponding path program 1 times [2019-09-20 12:58:47,196 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:58:47,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:58:47,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:58:47,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:58:47,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:58:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:58:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:58:47,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:58:47,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 12:58:47,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 12:58:47,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 12:58:47,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 12:58:47,609 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-09-20 12:58:47,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:58:47,691 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2019-09-20 12:58:47,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 12:58:47,693 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2019-09-20 12:58:47,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:58:47,714 INFO L225 Difference]: With dead ends: 241 [2019-09-20 12:58:47,714 INFO L226 Difference]: Without dead ends: 119 [2019-09-20 12:58:47,725 INFO L636 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 [2019-09-20 12:58:47,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-20 12:58:47,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-20 12:58:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-20 12:58:47,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2019-09-20 12:58:47,839 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2019-09-20 12:58:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:58:47,839 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2019-09-20 12:58:47,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 12:58:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2019-09-20 12:58:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 12:58:47,849 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:58:47,849 INFO L407 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] [2019-09-20 12:58:47,849 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:58:47,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:58:47,851 INFO L82 PathProgramCache]: Analyzing trace with hash 29519587, now seen corresponding path program 1 times [2019-09-20 12:58:47,851 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:58:47,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:58:47,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:58:47,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:58:47,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:58:47,906 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-20 12:58:47,906 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-20 12:58:47,906 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-20 12:58:47,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:58:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:58:48,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-20 12:58:48,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 12:58:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:58:48,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:58:48,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 12:58:48,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 12:58:48,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 12:58:48,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 12:58:48,183 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 4 states. [2019-09-20 12:58:48,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:58:48,241 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2019-09-20 12:58:48,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 12:58:48,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2019-09-20 12:58:48,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:58:48,243 INFO L225 Difference]: With dead ends: 119 [2019-09-20 12:58:48,243 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 12:58:48,245 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 12:58:48,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 12:58:48,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 12:58:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 12:58:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 12:58:48,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-09-20 12:58:48,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:58:48,247 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 12:58:48,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 12:58:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 12:58:48,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 12:58:48,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 12:58:48,348 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-09-20 12:58:48,348 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2019-09-20 12:58:48,348 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_92EXIT(lines 244 274) no Hoare annotation was computed. [2019-09-20 12:58:48,348 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_92FINAL(lines 244 274) no Hoare annotation was computed. [2019-09-20 12:58:48,349 INFO L446 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2019-09-20 12:58:48,349 INFO L443 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2019-09-20 12:58:48,349 INFO L446 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2019-09-20 12:58:48,349 INFO L443 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2019-09-20 12:58:48,349 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 245 274) no Hoare annotation was computed. [2019-09-20 12:58:48,349 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 272) no Hoare annotation was computed. [2019-09-20 12:58:48,350 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_92ENTRY(lines 244 274) the Hoare annotation is: true [2019-09-20 12:58:48,350 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:58:48,350 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:58:48,350 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:58:48,350 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_100FINAL(lines 415 421) no Hoare annotation was computed. [2019-09-20 12:58:48,351 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_100EXIT(lines 415 421) no Hoare annotation was computed. [2019-09-20 12:58:48,351 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_100ENTRY(lines 415 421) the Hoare annotation is: true [2019-09-20 12:58:48,351 INFO L446 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2019-09-20 12:58:48,351 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-09-20 12:58:48,351 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 410) no Hoare annotation was computed. [2019-09-20 12:58:48,351 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_99ENTRY(lines 395 414) the Hoare annotation is: true [2019-09-20 12:58:48,351 INFO L443 ceAbstractionStarter]: For program point L401-2(lines 401 411) no Hoare annotation was computed. [2019-09-20 12:58:48,352 INFO L446 ceAbstractionStarter]: At program point L401-3(lines 401 411) the Hoare annotation is: true [2019-09-20 12:58:48,352 INFO L446 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2019-09-20 12:58:48,353 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_99EXIT(lines 395 414) no Hoare annotation was computed. [2019-09-20 12:58:48,353 INFO L443 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2019-09-20 12:58:48,353 INFO L446 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2019-09-20 12:58:48,353 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-09-20 12:58:48,353 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_99FINAL(lines 395 414) no Hoare annotation was computed. [2019-09-20 12:58:48,354 INFO L443 ceAbstractionStarter]: For program point L229-5(lines 229 241) no Hoare annotation was computed. [2019-09-20 12:58:48,354 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2019-09-20 12:58:48,354 INFO L446 ceAbstractionStarter]: At program point L221-3(lines 221 228) the Hoare annotation is: true [2019-09-20 12:58:48,354 INFO L443 ceAbstractionStarter]: For program point L221-4(lines 221 228) no Hoare annotation was computed. [2019-09-20 12:58:48,354 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-09-20 12:58:48,354 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-09-20 12:58:48,355 INFO L443 ceAbstractionStarter]: For program point L209-2(line 209) no Hoare annotation was computed. [2019-09-20 12:58:48,355 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_89ENTRY(lines 188 243) the Hoare annotation is: true [2019-09-20 12:58:48,356 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_89EXIT(lines 188 243) no Hoare annotation was computed. [2019-09-20 12:58:48,356 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2019-09-20 12:58:48,356 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2019-09-20 12:58:48,356 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2019-09-20 12:58:48,356 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-09-20 12:58:48,356 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point L206-2(line 206) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 236) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_89FINAL(lines 188 243) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 229 241) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-09-20 12:58:48,357 INFO L443 ceAbstractionStarter]: For program point L215-2(line 215) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L443 ceAbstractionStarter]: For program point L212-2(line 212) no Hoare annotation was computed. [2019-09-20 12:58:48,358 INFO L446 ceAbstractionStarter]: At program point L204(lines 204 220) the Hoare annotation is: true [2019-09-20 12:58:48,359 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-09-20 12:58:48,359 INFO L443 ceAbstractionStarter]: For program point L229-2(line 229) no Hoare annotation was computed. [2019-09-20 12:58:48,359 INFO L443 ceAbstractionStarter]: For program point L229-3(line 229) no Hoare annotation was computed. [2019-09-20 12:58:48,359 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:58:48,359 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 12:58:48,361 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:58:48,361 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:58:48,361 INFO L443 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2019-09-20 12:58:48,361 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 422 453) the Hoare annotation is: true [2019-09-20 12:58:48,361 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 422 453) no Hoare annotation was computed. [2019-09-20 12:58:48,362 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 422 453) no Hoare annotation was computed. [2019-09-20 12:58:48,362 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-09-20 12:58:48,363 INFO L443 ceAbstractionStarter]: For program point L353-2(lines 353 391) no Hoare annotation was computed. [2019-09-20 12:58:48,363 INFO L446 ceAbstractionStarter]: At program point L353-3(lines 353 391) the Hoare annotation is: true [2019-09-20 12:58:48,363 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_97ENTRY(lines 326 394) the Hoare annotation is: true [2019-09-20 12:58:48,363 INFO L446 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2019-09-20 12:58:48,363 INFO L443 ceAbstractionStarter]: For program point L366-1(lines 366 369) no Hoare annotation was computed. [2019-09-20 12:58:48,363 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_97EXIT(lines 326 394) no Hoare annotation was computed. [2019-09-20 12:58:48,364 INFO L446 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2019-09-20 12:58:48,364 INFO L443 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2019-09-20 12:58:48,364 INFO L443 ceAbstractionStarter]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2019-09-20 12:58:48,364 INFO L446 ceAbstractionStarter]: At program point L371-3(lines 371 388) the Hoare annotation is: true [2019-09-20 12:58:48,364 INFO L443 ceAbstractionStarter]: For program point L371-4(lines 371 388) no Hoare annotation was computed. [2019-09-20 12:58:48,364 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_97FINAL(lines 326 394) no Hoare annotation was computed. [2019-09-20 12:58:48,364 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2019-09-20 12:58:48,365 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2019-09-20 12:58:48,365 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 350) no Hoare annotation was computed. [2019-09-20 12:58:48,365 INFO L446 ceAbstractionStarter]: At program point L347-3(lines 347 350) the Hoare annotation is: true [2019-09-20 12:58:48,365 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 327 394) no Hoare annotation was computed. [2019-09-20 12:58:48,366 INFO L446 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2019-09-20 12:58:48,366 INFO L443 ceAbstractionStarter]: For program point L360-1(lines 360 363) no Hoare annotation was computed. [2019-09-20 12:58:48,366 INFO L446 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2019-09-20 12:58:48,366 INFO L443 ceAbstractionStarter]: For program point L356-1(lines 356 359) no Hoare annotation was computed. [2019-09-20 12:58:48,366 INFO L446 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2019-09-20 12:58:48,366 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 376) no Hoare annotation was computed. [2019-09-20 12:58:48,366 INFO L443 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2019-09-20 12:58:48,367 INFO L443 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2019-09-20 12:58:48,367 INFO L446 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2019-09-20 12:58:48,367 INFO L443 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2019-09-20 12:58:48,367 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 454 461) the Hoare annotation is: true [2019-09-20 12:58:48,367 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2019-09-20 12:58:48,367 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-20 12:58:48,368 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 454 461) no Hoare annotation was computed. [2019-09-20 12:58:48,368 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2019-09-20 12:58:48,368 INFO L443 ceAbstractionStarter]: For program point L456-2(lines 454 461) no Hoare annotation was computed. [2019-09-20 12:58:48,368 INFO L446 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-09-20 12:58:48,368 INFO L443 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2019-09-20 12:58:48,368 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2019-09-20 12:58:48,369 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2019-09-20 12:58:48,369 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2019-09-20 12:58:48,370 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2019-09-20 12:58:48,370 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2019-09-20 12:58:48,370 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-09-20 12:58:48,370 INFO L446 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2019-09-20 12:58:48,370 INFO L443 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2019-09-20 12:58:48,370 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-20 12:58:48,371 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2019-09-20 12:58:48,371 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2019-09-20 12:58:48,371 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_96FINAL(lines 295 325) no Hoare annotation was computed. [2019-09-20 12:58:48,371 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 318) no Hoare annotation was computed. [2019-09-20 12:58:48,371 INFO L443 ceAbstractionStarter]: For program point L313-1(lines 311 323) no Hoare annotation was computed. [2019-09-20 12:58:48,371 INFO L443 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2019-09-20 12:58:48,372 INFO L443 ceAbstractionStarter]: For program point L311-2(line 311) no Hoare annotation was computed. [2019-09-20 12:58:48,376 INFO L443 ceAbstractionStarter]: For program point L311-3(line 311) no Hoare annotation was computed. [2019-09-20 12:58:48,377 INFO L446 ceAbstractionStarter]: At program point Id_MCDC_96ENTRY(lines 295 325) the Hoare annotation is: true [2019-09-20 12:58:48,377 INFO L443 ceAbstractionStarter]: For program point L311-5(lines 311 323) no Hoare annotation was computed. [2019-09-20 12:58:48,377 INFO L443 ceAbstractionStarter]: For program point Id_MCDC_96EXIT(lines 295 325) no Hoare annotation was computed. [2019-09-20 12:58:48,378 INFO L443 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2019-09-20 12:58:48,378 INFO L446 ceAbstractionStarter]: At program point L303-3(lines 303 310) the Hoare annotation is: true [2019-09-20 12:58:48,379 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2019-09-20 12:58:48,386 INFO L443 ceAbstractionStarter]: For program point L303-4(lines 303 310) no Hoare annotation was computed. [2019-09-20 12:58:48,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 12:58:48 BoogieIcfgContainer [2019-09-20 12:58:48,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 12:58:48,404 INFO L168 Benchmark]: Toolchain (without parser) took 3087.58 ms. Allocated memory was 130.5 MB in the beginning and 215.5 MB in the end (delta: 84.9 MB). Free memory was 85.3 MB in the beginning and 114.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:48,406 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 12:58:48,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.97 ms. Allocated memory was 130.5 MB in the beginning and 196.1 MB in the end (delta: 65.5 MB). Free memory was 85.1 MB in the beginning and 163.5 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:48,409 INFO L168 Benchmark]: Boogie Preprocessor took 109.28 ms. Allocated memory is still 196.1 MB. Free memory was 163.5 MB in the beginning and 159.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:48,410 INFO L168 Benchmark]: RCFGBuilder took 991.77 ms. Allocated memory is still 196.1 MB. Free memory was 159.5 MB in the beginning and 99.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:48,411 INFO L168 Benchmark]: TraceAbstraction took 1323.01 ms. Allocated memory was 196.1 MB in the beginning and 215.5 MB in the end (delta: 19.4 MB). Free memory was 99.1 MB in the beginning and 114.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:48,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.97 ms. Allocated memory was 130.5 MB in the beginning and 196.1 MB in the end (delta: 65.5 MB). Free memory was 85.1 MB in the beginning and 163.5 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.28 ms. Allocated memory is still 196.1 MB. Free memory was 163.5 MB in the beginning and 159.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 991.77 ms. Allocated memory is still 196.1 MB. Free memory was 159.5 MB in the beginning and 99.1 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1323.01 ms. Allocated memory was 196.1 MB in the beginning and 215.5 MB in the end (delta: 19.4 MB). Free memory was 99.1 MB in the beginning and 114.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 128 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 335 SDtfs, 5 SDslu, 317 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 91 NumberOfFragments, 34 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 2 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...