/usr/bin/java -ea -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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:54,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:54,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:54,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:54,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:54,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:54,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:54,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:54,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:54,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:54,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:54,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:54,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:54,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:54,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:54,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:54,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:54,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:54,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:54,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:54,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:54,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:54,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:54,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:54,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:13:54,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:13:54,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:13:54,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:13:54,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:13:54,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:13:54,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:13:54,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:13:54,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:13:54,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:13:54,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:13:54,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:13:54,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:13:54,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:13:54,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:54,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:54,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:54,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:54,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:54,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:54,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:54,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:54,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:54,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:54,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:54,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:54,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:54,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:54,297 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:54,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:54,298 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:54,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:54,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:54,299 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:54,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:54,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:54,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:54,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:54,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:54,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:54,300 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:54,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:54,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:54,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:54,620 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:54,620 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:54,621 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-07-18 00:13:54,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166b457f1/9cb7ccfe36144b38a98aca45dff2b446/FLAG37ad1c12f [2020-07-18 00:13:55,169 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:55,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-07-18 00:13:55,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166b457f1/9cb7ccfe36144b38a98aca45dff2b446/FLAG37ad1c12f [2020-07-18 00:13:55,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166b457f1/9cb7ccfe36144b38a98aca45dff2b446 [2020-07-18 00:13:55,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:55,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:55,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:55,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:55,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:55,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6214043a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55, skipping insertion in model container [2020-07-18 00:13:55,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:55,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:55,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:55,773 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:55,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:55,799 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:55,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55 WrapperNode [2020-07-18 00:13:55,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:55,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:55,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:55,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:55,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (1/1) ... [2020-07-18 00:13:55,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:55,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:55,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:55,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:55,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (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 [2020-07-18 00:13:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:56,184 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:56,184 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:13:56,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:56 BoogieIcfgContainer [2020-07-18 00:13:56,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:56,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:56,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:56,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:56,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:55" (1/3) ... [2020-07-18 00:13:56,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c1a085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:56, skipping insertion in model container [2020-07-18 00:13:56,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:55" (2/3) ... [2020-07-18 00:13:56,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c1a085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:56, skipping insertion in model container [2020-07-18 00:13:56,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:56" (3/3) ... [2020-07-18 00:13:56,198 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-07-18 00:13:56,210 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:56,217 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:56,229 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:56,252 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:56,253 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:56,253 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:56,253 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:56,253 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:56,253 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:56,254 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:56,254 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-07-18 00:13:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-18 00:13:56,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:56,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:56,281 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:56,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:56,288 INFO L82 PathProgramCache]: Analyzing trace with hash 811150295, now seen corresponding path program 1 times [2020-07-18 00:13:56,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:56,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219621752] [2020-07-18 00:13:56,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:56,416 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:56,418 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:13:56,418 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:13:56,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:56,437 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:13:56,437 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-18 00:13:56,438 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:13:56,439 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 00:13:56,439 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 00:13:56,439 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 00:13:56,439 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 00:13:56,439 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 00:13:56,439 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 00:13:56,440 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:13:56,440 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:13:56,440 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:13:56,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:13:56 BoogieIcfgContainer [2020-07-18 00:13:56,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:13:56,449 INFO L168 Benchmark]: Toolchain (without parser) took 900.80 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.4 MB in the beginning and 156.5 MB in the end (delta: -54.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:56,450 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:56,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.43 ms. Allocated memory is still 138.4 MB. Free memory was 102.2 MB in the beginning and 92.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:56,452 INFO L168 Benchmark]: Boogie Preprocessor took 117.71 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 92.8 MB in the beginning and 182.3 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:56,453 INFO L168 Benchmark]: RCFGBuilder took 268.76 ms. Allocated memory is still 203.4 MB. Free memory was 181.7 MB in the beginning and 170.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:56,454 INFO L168 Benchmark]: TraceAbstraction took 255.78 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 156.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:56,458 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.43 ms. Allocated memory is still 138.4 MB. Free memory was 102.2 MB in the beginning and 92.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.71 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 92.8 MB in the beginning and 182.3 MB in the end (delta: -89.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.76 ms. Allocated memory is still 203.4 MB. Free memory was 181.7 MB in the beginning and 170.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 255.78 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 156.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 != 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...