/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:42:48,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:42:48,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:42:48,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:42:48,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:42:48,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:42:48,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:42:48,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:42:48,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:42:48,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:42:48,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:42:48,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:42:48,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:42:48,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:42:48,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:42:48,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:42:48,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:42:48,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:42:48,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:42:48,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:42:48,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:42:48,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:42:48,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:42:48,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:42:48,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:42:48,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 14:42:48,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 14:42:48,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 14:42:48,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 14:42:48,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 14:42:48,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 14:42:48,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 14:42:48,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 14:42:48,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:42:48,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:42:48,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:42:48,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 14:42:48,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:42:48,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:42:48,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:42:48,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:42:48,325 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:42:48,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:42:48,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:42:48,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:42:48,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:42:48,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:42:48,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:42:48,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:42:48,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:42:48,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:42:48,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:42:48,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:42:48,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:42:48,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:42:48,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:42:48,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:42:48,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:42:48,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:42:48,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:42:48,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:42:48,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:42:48,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:42:48,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:42:48,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:42:48,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:42:48,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:42:48,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:42:48,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:42:48,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:42:48,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:42:48,633 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:42:48,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-07-10 14:42:48,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6cb9802/fbf993da260b4aeb8758dce700b3fdf1/FLAG79381c550 [2020-07-10 14:42:49,155 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:42:49,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-07-10 14:42:49,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6cb9802/fbf993da260b4aeb8758dce700b3fdf1/FLAG79381c550 [2020-07-10 14:42:49,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6cb9802/fbf993da260b4aeb8758dce700b3fdf1 [2020-07-10 14:42:49,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:42:49,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:42:49,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:42:49,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:42:49,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:42:49,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb65c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49, skipping insertion in model container [2020-07-10 14:42:49,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:42:49,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:42:49,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:42:49,800 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:42:49,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:42:49,831 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:42:49,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49 WrapperNode [2020-07-10 14:42:49,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:42:49,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:42:49,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:42:49,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:42:49,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (1/1) ... [2020-07-10 14:42:49,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:42:49,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:42:49,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:42:49,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:42:49,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (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 [2020-07-10 14:42:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:42:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:42:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:42:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:42:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:42:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:42:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:42:50,205 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:42:50,205 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 14:42:50,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:42:50 BoogieIcfgContainer [2020-07-10 14:42:50,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:42:50,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:42:50,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:42:50,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:42:50,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:42:49" (1/3) ... [2020-07-10 14:42:50,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1052e99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:42:50, skipping insertion in model container [2020-07-10 14:42:50,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:49" (2/3) ... [2020-07-10 14:42:50,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1052e99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:42:50, skipping insertion in model container [2020-07-10 14:42:50,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:42:50" (3/3) ... [2020-07-10 14:42:50,219 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2020-07-10 14:42:50,232 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:42:50,240 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:42:50,260 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:42:50,292 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:42:50,296 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:42:50,296 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:42:50,296 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:42:50,296 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:42:50,296 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:42:50,296 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:42:50,297 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:42:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-10 14:42:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-10 14:42:50,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:42:50,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:42:50,364 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:42:50,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:42:50,382 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-10 14:42:50,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:42:50,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165787326] [2020-07-10 14:42:50,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:42:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:42:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:42:50,528 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:42:50,529 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:42:50,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:42:50,553 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:42:50,554 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-10 14:42:50,555 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-10 14:42:50,555 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:42:50,555 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 14:42:50,555 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 14:42:50,555 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:42:50,555 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:42:50,556 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. [2020-07-10 14:42:50,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:42:50 BoogieIcfgContainer [2020-07-10 14:42:50,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:42:50,563 INFO L168 Benchmark]: Toolchain (without parser) took 969.65 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.7 MB in the beginning and 156.5 MB in the end (delta: -52.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:50,565 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:42:50,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.74 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 94.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:50,567 INFO L168 Benchmark]: Boogie Preprocessor took 101.00 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 94.1 MB in the beginning and 181.7 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:50,568 INFO L168 Benchmark]: RCFGBuilder took 275.85 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 169.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:50,569 INFO L168 Benchmark]: TraceAbstraction took 348.64 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 156.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:50,572 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.74 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 94.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.00 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 94.1 MB in the beginning and 181.7 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.85 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 169.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 348.64 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 156.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] unsigned int plus_one = 1; [L5] int minus_one = -1; VAL [minus_one=-1, plus_one=1] [L7] COND TRUE plus_one < minus_one VAL [minus_one=-1, plus_one=1] [L12] __VERIFIER_error() VAL [minus_one=-1, plus_one=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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...