/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-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:33:40,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:33:40,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:33:40,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:33:40,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:33:40,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:33:40,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:33:40,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:33:41,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:33:41,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:33:41,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:33:41,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:33:41,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:33:41,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:33:41,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:33:41,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:33:41,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:33:41,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:33:41,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:33:41,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:33:41,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:33:41,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:33:41,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:33:41,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:33:41,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:33:41,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:33:41,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:33:41,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:33:41,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:33:41,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:33:41,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:33:41,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:33:41,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:33:41,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:33:41,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:33:41,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:33:41,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:33:41,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:33:41,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:33:41,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:33:41,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:33:41,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:33:41,078 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:33:41,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:33:41,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:33:41,083 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:33:41,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:33:41,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:33:41,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:33:41,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:33:41,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:33:41,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:33:41,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:33:41,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:33:41,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:33:41,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:33:41,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:33:41,089 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:33:41,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:33:41,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:33:41,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:33:41,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:33:41,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:33:41,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:33:41,090 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 [2020-07-11 00:33:41,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:33:41,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:33:41,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:33:41,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:33:41,404 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:33:41,405 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c [2020-07-11 00:33:41,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bff5b4c7/9b43e374bd914cb58563bd8962d1f16c/FLAG067cd0f86 [2020-07-11 00:33:41,909 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:33:41,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c [2020-07-11 00:33:41,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bff5b4c7/9b43e374bd914cb58563bd8962d1f16c/FLAG067cd0f86 [2020-07-11 00:33:42,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bff5b4c7/9b43e374bd914cb58563bd8962d1f16c [2020-07-11 00:33:42,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:33:42,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:33:42,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:33:42,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:33:42,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:33:42,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da664cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42, skipping insertion in model container [2020-07-11 00:33:42,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:33:42,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:33:42,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:33:42,592 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:33:42,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:33:42,622 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:33:42,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42 WrapperNode [2020-07-11 00:33:42,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:33:42,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:33:42,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:33:42,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:33:42,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (1/1) ... [2020-07-11 00:33:42,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:33:42,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:33:42,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:33:42,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:33:42,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (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 [2020-07-11 00:33:42,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:33:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:33:42,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:33:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:33:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:33:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:33:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:33:43,021 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:33:43,021 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 00:33:43,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:33:43 BoogieIcfgContainer [2020-07-11 00:33:43,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:33:43,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:33:43,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:33:43,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:33:43,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:33:42" (1/3) ... [2020-07-11 00:33:43,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f294d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:33:43, skipping insertion in model container [2020-07-11 00:33:43,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:42" (2/3) ... [2020-07-11 00:33:43,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f294d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:33:43, skipping insertion in model container [2020-07-11 00:33:43,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:33:43" (3/3) ... [2020-07-11 00:33:43,049 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-07-11 00:33:43,080 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:33:43,101 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:33:43,133 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:33:43,161 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:33:43,161 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:33:43,161 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:33:43,161 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:33:43,161 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:33:43,161 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:33:43,162 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:33:43,162 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:33:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-07-11 00:33:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-11 00:33:43,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:33:43,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:33:43,188 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:33:43,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:33:43,195 INFO L82 PathProgramCache]: Analyzing trace with hash 811150295, now seen corresponding path program 1 times [2020-07-11 00:33:43,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:33:43,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827338531] [2020-07-11 00:33:43,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:33:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:33:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:33:43,338 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 00:33:43,339 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 00:33:43,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:33:43,362 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 00:33:43,362 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:33:43,362 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:33:43,363 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 00:33:43,363 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 00:33:43,363 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:33:43,363 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:33:43,363 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-11 00:33:43,363 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 00:33:43,364 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-11 00:33:43,364 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-11 00:33:43,364 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:33:43,364 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:33:43,364 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 00:33:43,365 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 00:33:43,365 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 00:33:43,365 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 00:33:43,365 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. [2020-07-11 00:33:43,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 12:33:43 BoogieIcfgContainer [2020-07-11 00:33:43,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 00:33:43,373 INFO L168 Benchmark]: Toolchain (without parser) took 1009.24 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.4 MB in the beginning and 156.9 MB in the end (delta: -53.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:43,374 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.3 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 00:33:43,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.05 ms. Allocated memory is still 146.3 MB. Free memory was 103.4 MB in the beginning and 94.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:43,376 INFO L168 Benchmark]: Boogie Preprocessor took 122.09 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.1 MB in the beginning and 182.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:43,377 INFO L168 Benchmark]: RCFGBuilder took 279.78 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 170.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:43,378 INFO L168 Benchmark]: TraceAbstraction took 342.51 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 156.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:43,382 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 0.28 ms. Allocated memory is still 146.3 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.05 ms. Allocated memory is still 146.3 MB. Free memory was 103.4 MB in the beginning and 94.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.09 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.1 MB in the beginning and 182.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 279.78 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 170.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 342.51 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 156.9 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; VAL [port=90] [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - 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...