/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:39:46,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:39:46,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:39:46,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:39:46,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:39:46,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:39:46,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:39:46,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:39:46,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:39:46,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:39:46,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:39:46,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:39:46,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:39:46,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:39:46,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:39:46,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:39:46,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:39:46,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:39:46,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:39:46,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:39:46,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:39:46,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:39:46,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:39:46,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:39:46,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:39:46,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:39:46,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:39:46,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:39:46,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:39:46,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:39:46,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:39:46,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:39:46,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:39:46,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:39:46,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:39:46,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:39:46,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:39:46,638 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:39:46,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:39:46,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:39:46,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:39:46,644 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:39:46,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:39:46,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:39:46,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:39:46,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:39:46,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:39:46,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:39:46,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:39:46,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:39:46,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:39:46,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:39:46,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:39:46,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:39:46,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:39:46,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:39:46,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:39:46,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:39:46,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:39:46,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:39:46,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:39:46,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:39:46,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:39:47,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:39:47,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:39:47,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:39:47,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:39:47,183 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:39:47,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-12-23 01:39:47,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2d3958f87/85da68584f6e45bfa014a8ef7c4657d8/FLAGa6cf2cf08 [2020-12-23 01:39:47,837 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:39:47,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-12-23 01:39:47,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2d3958f87/85da68584f6e45bfa014a8ef7c4657d8/FLAGa6cf2cf08 [2020-12-23 01:39:48,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2d3958f87/85da68584f6e45bfa014a8ef7c4657d8 [2020-12-23 01:39:48,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:39:48,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:39:48,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:39:48,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:39:48,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:39:48,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685889c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48, skipping insertion in model container [2020-12-23 01:39:48,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:39:48,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 01:39:48,514 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2020-12-23 01:39:48,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:39:48,527 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 01:39:48,541 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2020-12-23 01:39:48,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:39:48,557 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:39:48,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48 WrapperNode [2020-12-23 01:39:48,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:39:48,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:39:48,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:39:48,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:39:48,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:39:48,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:39:48,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:39:48,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:39:48,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... [2020-12-23 01:39:48,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:39:48,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:39:48,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:39:48,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:39:48,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 01:39:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:39:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:39:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:39:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:39:48,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:39:48,906 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 01:39:48,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:39:48 BoogieIcfgContainer [2020-12-23 01:39:48,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:39:48,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:39:48,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:39:48,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:39:48,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:39:48" (1/3) ... [2020-12-23 01:39:48,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6338e7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:39:48, skipping insertion in model container [2020-12-23 01:39:48,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:39:48" (2/3) ... [2020-12-23 01:39:48,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6338e7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:39:48, skipping insertion in model container [2020-12-23 01:39:48,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:39:48" (3/3) ... [2020-12-23 01:39:48,918 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-12-23 01:39:48,924 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:39:48,929 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:39:48,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:39:48,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:39:48,998 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:39:48,999 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:39:48,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:39:48,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:39:48,999 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:39:48,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:39:48,999 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:39:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-12-23 01:39:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 01:39:49,019 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:39:49,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 01:39:49,020 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:39:49,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:39:49,027 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-12-23 01:39:49,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:39:49,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237469037] [2020-12-23 01:39:49,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:39:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 01:39:49,167 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 01:39:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 01:39:49,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 01:39:49,221 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 01:39:49,222 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 01:39:49,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:39:49,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:39:49 BoogieIcfgContainer [2020-12-23 01:39:49,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:39:49,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:39:49,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:39:49,249 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:39:49,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:39:48" (3/4) ... [2020-12-23 01:39:49,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 01:39:49,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:39:49,256 INFO L168 Benchmark]: Toolchain (without parser) took 1029.64 ms. Allocated memory is still 151.0 MB. Free memory was 126.8 MB in the beginning and 124.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:39:49,257 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.6 MB in the end (delta: 216.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:39:49,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.49 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 117.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:39:49,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.84 ms. Allocated memory is still 151.0 MB. Free memory was 117.3 MB in the beginning and 116.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:39:49,261 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 115.1 MB in the end (delta: 884.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:39:49,262 INFO L168 Benchmark]: RCFGBuilder took 294.05 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 105.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:39:49,263 INFO L168 Benchmark]: TraceAbstraction took 337.54 ms. Allocated memory is still 151.0 MB. Free memory was 104.6 MB in the beginning and 125.4 MB in the end (delta: -20.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:39:49,264 INFO L168 Benchmark]: Witness Printer took 4.64 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 124.9 MB in the end (delta: 517.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:39:49,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.6 MB in the end (delta: 216.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 327.49 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 117.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.84 ms. Allocated memory is still 151.0 MB. Free memory was 117.3 MB in the beginning and 116.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.62 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 115.1 MB in the end (delta: 884.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 294.05 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 105.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 337.54 ms. Allocated memory is still 151.0 MB. Free memory was 104.6 MB in the beginning and 125.4 MB in the end (delta: -20.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 4.64 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 124.9 MB in the end (delta: 517.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=8occurred 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, 4 NumberOfCodeBlocks, 4 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...