/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/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 23:14:51,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 23:14:51,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 23:14:51,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-21 23:14:51,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-21 23:14:51,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-21 23:14:51,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-21 23:14:51,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-21 23:14:51,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-21 23:14:51,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-21 23:14:51,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-21 23:14:51,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-21 23:14:51,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-21 23:14:51,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-21 23:14:51,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-21 23:14:51,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-21 23:14:51,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-21 23:14:51,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-21 23:14:51,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-21 23:14:51,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-21 23:14:51,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-21 23:14:51,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-21 23:14:51,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-21 23:14:51,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-21 23:14:51,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-21 23:14:51,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-21 23:14:51,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-21 23:14:51,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-21 23:14:51,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-21 23:14:51,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-21 23:14:51,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-21 23:14:51,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-21 23:14:51,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-21 23:14:51,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 23:14:51,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 23:14:51,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 23:14:51,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 23:14:51,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 23:14:51,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 23:14:51,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 23:14:51,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 23:14:51,824 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 23:14:51,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 23:14:51,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 23:14:51,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 23:14:51,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 23:14:51,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 23:14:51,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 23:14:51,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 23:14:51,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 23:14:51,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 23:14:51,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 23:14:51,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 23:14:51,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 23:14:51,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:14:51,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 23:14:51,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 23:14:51,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 23:14:51,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 23:14:51,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 23:14:51,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 23:14:51,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 23:14:51,828 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 23:14:52,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 23:14:52,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 23:14:52,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 23:14:52,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 23:14:52,232 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 23:14:52,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c [2020-12-21 23:14:52,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a56d7fbb/7ddc316e974c48a1b9789fdac54df32b/FLAGe19bc5b67 [2020-12-21 23:14:52,886 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 23:14:52,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c [2020-12-21 23:14:52,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a56d7fbb/7ddc316e974c48a1b9789fdac54df32b/FLAGe19bc5b67 [2020-12-21 23:14:53,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a56d7fbb/7ddc316e974c48a1b9789fdac54df32b [2020-12-21 23:14:53,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 23:14:53,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 23:14:53,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 23:14:53,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 23:14:53,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 23:14:53,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fc94c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53, skipping insertion in model container [2020-12-21 23:14:53,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 23:14:53,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 23:14:53,458 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c[417,430] [2020-12-21 23:14:53,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:14:53,473 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 23:14:53,488 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c[417,430] [2020-12-21 23:14:53,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:14:53,505 INFO L208 MainTranslator]: Completed translation [2020-12-21 23:14:53,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53 WrapperNode [2020-12-21 23:14:53,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 23:14:53,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 23:14:53,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 23:14:53,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 23:14:53,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 23:14:53,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 23:14:53,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 23:14:53,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 23:14:53,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (1/1) ... [2020-12-21 23:14:53,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 23:14:53,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 23:14:53,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 23:14:53,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 23:14:53,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (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 [2020-12-21 23:14:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 23:14:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 23:14:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 23:14:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 23:14:53,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 23:14:53,997 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-21 23:14:54,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:53 BoogieIcfgContainer [2020-12-21 23:14:54,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 23:14:54,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 23:14:54,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 23:14:54,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 23:14:54,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:14:53" (1/3) ... [2020-12-21 23:14:54,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71703977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:14:54, skipping insertion in model container [2020-12-21 23:14:54,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:14:53" (2/3) ... [2020-12-21 23:14:54,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71703977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:14:54, skipping insertion in model container [2020-12-21 23:14:54,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:53" (3/3) ... [2020-12-21 23:14:54,014 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2020-12-21 23:14:54,026 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 23:14:54,031 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-21 23:14:54,052 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-21 23:14:54,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 23:14:54,094 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 23:14:54,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 23:14:54,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 23:14:54,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 23:14:54,095 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 23:14:54,095 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 23:14:54,095 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 23:14:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-12-21 23:14:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-21 23:14:54,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:14:54,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-21 23:14:54,127 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:14:54,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:14:54,136 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-12-21 23:14:54,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:14:54,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472789280] [2020-12-21 23:14:54,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:14:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-21 23:14:54,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-21 23:14:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-21 23:14:54,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-21 23:14:54,459 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-21 23:14:54,460 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-21 23:14:54,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-21 23:14:54,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:14:54 BoogieIcfgContainer [2020-12-21 23:14:54,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 23:14:54,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 23:14:54,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 23:14:54,490 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 23:14:54,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:14:53" (3/4) ... [2020-12-21 23:14:54,493 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-21 23:14:54,555 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/bitvector-regression/implicitunsignedconversion-1.c-witness.graphml [2020-12-21 23:14:54,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 23:14:54,557 INFO L168 Benchmark]: Toolchain (without parser) took 1282.07 ms. Allocated memory is still 176.2 MB. Free memory was 150.8 MB in the beginning and 149.9 MB in the end (delta: 946.5 kB). Peak memory consumption was 809.6 kB. Max. memory is 8.0 GB. [2020-12-21 23:14:54,558 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 176.2 MB. Free memory is still 146.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:14:54,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.74 ms. Allocated memory is still 176.2 MB. Free memory was 150.5 MB in the beginning and 141.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:54,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.96 ms. Allocated memory is still 176.2 MB. Free memory was 141.1 MB in the beginning and 139.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:54,561 INFO L168 Benchmark]: Boogie Preprocessor took 19.18 ms. Allocated memory is still 176.2 MB. Free memory was 139.8 MB in the beginning and 138.9 MB in the end (delta: 837.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:54,562 INFO L168 Benchmark]: RCFGBuilder took 437.65 ms. Allocated memory is still 176.2 MB. Free memory was 138.8 MB in the beginning and 128.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:54,563 INFO L168 Benchmark]: TraceAbstraction took 483.32 ms. Allocated memory is still 176.2 MB. Free memory was 128.4 MB in the beginning and 152.0 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:14:54,564 INFO L168 Benchmark]: Witness Printer took 65.48 ms. Allocated memory is still 176.2 MB. Free memory was 151.4 MB in the beginning and 149.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:14:54,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 176.2 MB. Free memory is still 146.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 225.74 ms. Allocated memory is still 176.2 MB. Free memory was 150.5 MB in the beginning and 141.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.96 ms. Allocated memory is still 176.2 MB. Free memory was 141.1 MB in the beginning and 139.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.18 ms. Allocated memory is still 176.2 MB. Free memory was 139.8 MB in the beginning and 138.9 MB in the end (delta: 837.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 437.65 ms. Allocated memory is still 176.2 MB. Free memory was 138.8 MB in the beginning and 128.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 483.32 ms. Allocated memory is still 176.2 MB. Free memory was 128.4 MB in the beginning and 152.0 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 65.48 ms. Allocated memory is still 176.2 MB. Free memory was 151.4 MB in the beginning and 149.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] unsigned int plus_one = 1; [L7] int minus_one = -1; [L9] COND TRUE plus_one < minus_one [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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 proved your program to be incorrect! Received shutdown request...