/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -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 04:39:54,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:39:54,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:39:54,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:39:54,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:39:54,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:39:54,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:39:54,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:39:54,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:39:54,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:39:54,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:39:54,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:39:54,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:39:54,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:39:54,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:39:54,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:39:54,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:39:54,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:39:54,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:39:54,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:39:54,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:39:54,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:39:54,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:39:54,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:39:54,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:39:54,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:39:54,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:39:54,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:39:54,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:39:54,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:39:54,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:39:54,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:39:54,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:39:54,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:39:54,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:39:54,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:39:54,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:39:54,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:39:54,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:39:54,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:39:54,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:39:54,324 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 04:39:54,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:39:54,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:39:54,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:39:54,334 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:39:54,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:39:54,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:39:54,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:39:54,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:39:54,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:39:54,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:39:54,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:39:54,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:39:54,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:39:54,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:39:54,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:39:54,336 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:39:54,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:39:54,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:39:54,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:39:54,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:39:54,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:39:54,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:39:54,338 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:39:54,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:39:54,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:39:54,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:39:54,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:39:54,667 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:39:54,667 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-07-18 04:39:54,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec73251a3/928943a9a838405e97e717ca6901dc81/FLAGb7d400ec5 [2020-07-18 04:39:55,189 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:39:55,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-07-18 04:39:55,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec73251a3/928943a9a838405e97e717ca6901dc81/FLAGb7d400ec5 [2020-07-18 04:39:55,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec73251a3/928943a9a838405e97e717ca6901dc81 [2020-07-18 04:39:55,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:39:55,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:39:55,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:39:55,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:39:55,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:39:55,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4a9cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55, skipping insertion in model container [2020-07-18 04:39:55,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:39:55,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:39:55,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:39:55,446 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:39:55,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:39:55,475 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:39:55,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55 WrapperNode [2020-07-18 04:39:55,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:39:55,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:39:55,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:39:55,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:39:55,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (1/1) ... [2020-07-18 04:39:55,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:39:55,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:39:55,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:39:55,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:39:55,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (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 04:39:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:39:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:39:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:39:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:39:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:39:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:39:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:39:55,822 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:39:55,823 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:39:55,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:39:55 BoogieIcfgContainer [2020-07-18 04:39:55,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:39:55,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:39:55,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:39:55,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:39:55,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:39:55" (1/3) ... [2020-07-18 04:39:55,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5ef5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:39:55, skipping insertion in model container [2020-07-18 04:39:55,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:55" (2/3) ... [2020-07-18 04:39:55,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5ef5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:39:55, skipping insertion in model container [2020-07-18 04:39:55,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:39:55" (3/3) ... [2020-07-18 04:39:55,834 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-07-18 04:39:55,845 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:39:55,852 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:39:55,866 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:39:55,890 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:39:55,890 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:39:55,891 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:39:55,891 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:39:55,891 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:39:55,891 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:39:55,892 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:39:55,892 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:39:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-07-18 04:39:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-18 04:39:55,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:39:55,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:39:55,923 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:39:55,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:39:55,931 INFO L82 PathProgramCache]: Analyzing trace with hash 811150295, now seen corresponding path program 1 times [2020-07-18 04:39:55,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:39:55,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523551083] [2020-07-18 04:39:55,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:39:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:39:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:39:56,067 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 04:39:56,068 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 04:39:56,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:39:56,086 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 04:39:56,086 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:39:56,086 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:39:56,086 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 04:39:56,087 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 04:39:56,088 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:39:56,088 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:39:56,088 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 04:39:56,088 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 04:39:56,088 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 04:39:56,088 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 04:39:56,088 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 04:39:56,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 04:39:56 BoogieIcfgContainer [2020-07-18 04:39:56,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 04:39:56,097 INFO L168 Benchmark]: Toolchain (without parser) took 863.51 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 157.3 MB in the end (delta: -54.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:56,101 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 138.4 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:39:56,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.80 ms. Allocated memory is still 138.4 MB. Free memory was 102.9 MB in the beginning and 93.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:56,104 INFO L168 Benchmark]: Boogie Preprocessor took 107.25 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 93.5 MB in the beginning and 183.2 MB in the end (delta: -89.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:56,106 INFO L168 Benchmark]: RCFGBuilder took 242.52 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 170.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:56,107 INFO L168 Benchmark]: TraceAbstraction took 264.73 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 157.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:56,112 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 0.92 ms. Allocated memory is still 138.4 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.80 ms. Allocated memory is still 138.4 MB. Free memory was 102.9 MB in the beginning and 93.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.25 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 93.5 MB in the beginning and 183.2 MB in the end (delta: -89.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.52 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 170.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264.73 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 157.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 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; VAL [port=90] [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=0] [L7] COND TRUE result_8 != 0xfa VAL [port=90, result_8=0] [L12] __VERIFIER_error() VAL [port=90, result_8=0] - 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...