/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 0.1.25-46f3038-m [2020-07-08 12:00:07,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:00:07,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:00:07,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:00:07,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:00:07,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:00:07,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:00:07,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:00:07,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:00:07,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:00:07,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:00:07,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:00:07,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:00:07,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:00:07,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:00:07,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:00:07,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:00:07,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:00:07,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:00:07,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:00:07,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:00:07,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:00:07,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:00:07,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:00:07,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:00:07,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 12:00:07,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 12:00:07,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 12:00:07,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 12:00:07,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 12:00:07,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 12:00:07,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 12:00:07,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 12:00:07,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:00:07,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:00:07,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:00:07,883 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 [2020-07-08 12:00:07,922 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:00:07,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:00:07,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:00:07,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:00:07,928 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:00:07,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:00:07,928 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:00:07,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:00:07,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:00:07,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:00:07,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:00:07,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:00:07,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:00:07,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:00:07,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:00:07,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:00:07,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:00:07,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:00:07,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:00:07,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:00:07,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:00:07,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:00:07,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:00:07,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:00:07,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:00:07,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:00:07,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:00:07,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:00:07,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:00:07,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:00:08,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:00:08,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:00:08,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:00:08,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:00:08,279 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:00:08,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-07-08 12:00:08,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfde4a8d8/8ebe69ea391440208eea9d0c31c0752a/FLAG938a3e85b [2020-07-08 12:00:08,822 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:00:08,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-07-08 12:00:08,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfde4a8d8/8ebe69ea391440208eea9d0c31c0752a/FLAG938a3e85b [2020-07-08 12:00:09,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfde4a8d8/8ebe69ea391440208eea9d0c31c0752a [2020-07-08 12:00:09,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:00:09,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:00:09,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:00:09,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:00:09,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:00:09,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5191a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09, skipping insertion in model container [2020-07-08 12:00:09,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:00:09,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:00:09,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:00:09,411 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:00:09,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:00:09,441 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:00:09,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09 WrapperNode [2020-07-08 12:00:09,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:00:09,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:00:09,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:00:09,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:00:09,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (1/1) ... [2020-07-08 12:00:09,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:00:09,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:00:09,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:00:09,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:00:09,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (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 [2020-07-08 12:00:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:00:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:00:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:00:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:00:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:00:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:00:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:00:09,797 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:00:09,798 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:00:09,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:00:09 BoogieIcfgContainer [2020-07-08 12:00:09,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:00:09,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:00:09,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:00:09,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:00:09,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:00:09" (1/3) ... [2020-07-08 12:00:09,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12009f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:00:09, skipping insertion in model container [2020-07-08 12:00:09,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:00:09" (2/3) ... [2020-07-08 12:00:09,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12009f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:00:09, skipping insertion in model container [2020-07-08 12:00:09,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:00:09" (3/3) ... [2020-07-08 12:00:09,815 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2020-07-08 12:00:09,825 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:00:09,830 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:00:09,841 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:00:09,862 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:00:09,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:00:09,863 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:00:09,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:00:09,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:00:09,863 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:00:09,863 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:00:09,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:00:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-08 12:00:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-08 12:00:09,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:00:09,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:00:09,889 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:00:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:00:09,896 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-08 12:00:09,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:00:09,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562005948] [2020-07-08 12:00:09,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:00:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 12:00:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 12:00:10,025 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-08 12:00:10,026 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 12:00:10,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:00:10,047 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:00:10,047 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 12:00:10,047 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 12:00:10,047 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 12:00:10,048 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:00:10,049 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:00:10,049 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. [2020-07-08 12:00:10,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:00:10 BoogieIcfgContainer [2020-07-08 12:00:10,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:00:10,055 INFO L168 Benchmark]: Toolchain (without parser) took 842.91 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 155.2 MB in the end (delta: -52.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-08 12:00:10,056 INFO L168 Benchmark]: CDTParser took 1.45 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 12:00:10,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.24 ms. Allocated memory is still 137.4 MB. Free memory was 102.3 MB in the beginning and 93.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-08 12:00:10,058 INFO L168 Benchmark]: Boogie Preprocessor took 30.33 ms. Allocated memory is still 137.4 MB. Free memory was 93.2 MB in the beginning and 91.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:00:10,059 INFO L168 Benchmark]: RCFGBuilder took 328.36 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.8 MB in the beginning and 169.3 MB in the end (delta: -77.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-08 12:00:10,060 INFO L168 Benchmark]: TraceAbstraction took 247.21 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 155.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:00:10,064 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 1.45 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.24 ms. Allocated memory is still 137.4 MB. Free memory was 102.3 MB in the beginning and 93.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.33 ms. Allocated memory is still 137.4 MB. Free memory was 93.2 MB in the beginning and 91.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.36 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.8 MB in the beginning and 169.3 MB in the end (delta: -77.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247.21 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 155.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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: 0.1s, 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=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...