java -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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:45:32,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:45:32,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:45:32,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 05:45:32,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 05:45:32,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 05:45:32,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 05:45:32,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 05:45:32,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 05:45:32,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 05:45:32,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 05:45:32,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 05:45:32,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:45:32,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:45:32,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:45:32,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:45:32,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:45:32,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:45:32,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:45:32,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:45:32,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:45:32,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:45:32,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:45:32,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:45:32,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 05:45:32,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:45:32,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:45:32,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:45:32,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:45:32,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:45:32,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:45:32,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:45:32,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:45:32,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:45:32,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:45:32,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:45:32,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 05:45:32,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:45:32,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:45:32,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:45:32,632 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:45:32,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:45:32,634 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:45:32,634 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:45:32,634 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:45:32,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:45:32,635 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:45:32,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:45:32,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:45:32,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:45:32,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:45:32,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:45:32,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:45:32,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:45:32,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:45:32,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:45:32,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:45:32,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:45:32,639 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:45:32,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:45:32,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:45:32,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:45:32,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:45:32,640 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:45:32,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:45:32,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:45:32,641 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:45:32,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:45:32,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:45:32,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:45:32,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:45:32,705 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:45:32,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2019-09-09 05:45:32,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e2c28d5/9fa0d2228c6448da936e6cbc409a08c4/FLAG896aabb3e [2019-09-09 05:45:33,198 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:45:33,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2019-09-09 05:45:33,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e2c28d5/9fa0d2228c6448da936e6cbc409a08c4/FLAG896aabb3e [2019-09-09 05:45:33,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e2c28d5/9fa0d2228c6448da936e6cbc409a08c4 [2019-09-09 05:45:33,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:45:33,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:45:33,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:45:33,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:45:33,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:45:33,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:33,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6c6cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33, skipping insertion in model container [2019-09-09 05:45:33,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:33,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:45:33,642 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:45:33,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:45:33,814 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:45:33,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:45:33,848 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:45:33,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33 WrapperNode [2019-09-09 05:45:33,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:45:33,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:45:33,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:45:33,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:45:33,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:33,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:33,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:33,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:34,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:34,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:34,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (1/1) ... [2019-09-09 05:45:34,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:45:34,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:45:34,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:45:34,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:45:34,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (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 [2019-09-09 05:45:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:45:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:45:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:45:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:45:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:45:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:45:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:45:34,236 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:45:34,236 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-09 05:45:34,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:45:34 BoogieIcfgContainer [2019-09-09 05:45:34,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:45:34,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:45:34,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:45:34,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:45:34,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:45:33" (1/3) ... [2019-09-09 05:45:34,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46592f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:45:34, skipping insertion in model container [2019-09-09 05:45:34,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:45:33" (2/3) ... [2019-09-09 05:45:34,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46592f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:45:34, skipping insertion in model container [2019-09-09 05:45:34,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:45:34" (3/3) ... [2019-09-09 05:45:34,249 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2019-09-09 05:45:34,258 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:45:34,265 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:45:34,285 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:45:34,314 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:45:34,315 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:45:34,315 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:45:34,315 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:45:34,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:45:34,317 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:45:34,317 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:45:34,318 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:45:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-09-09 05:45:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-09-09 05:45:34,349 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:45:34,350 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:45:34,354 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:45:34,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:45:34,361 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2019-09-09 05:45:34,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:45:34,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:45:34,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:45:34,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:45:34,400 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:45:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:45:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:45:34,469 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-09 05:45:34,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:45:34 BoogieIcfgContainer [2019-09-09 05:45:34,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:45:34,487 INFO L168 Benchmark]: Toolchain (without parser) took 875.33 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 88.3 MB in the beginning and 155.6 MB in the end (delta: -67.3 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:34,489 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:45:34,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.40 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 79.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:34,491 INFO L168 Benchmark]: Boogie Preprocessor took 156.47 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 79.0 MB in the beginning and 177.8 MB in the end (delta: -98.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:34,492 INFO L168 Benchmark]: RCFGBuilder took 230.81 ms. Allocated memory is still 201.3 MB. Free memory was 177.8 MB in the beginning and 168.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:34,493 INFO L168 Benchmark]: TraceAbstraction took 243.66 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 155.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-09 05:45:34,500 INFO L335 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 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.40 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 79.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.47 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 79.0 MB in the beginning and 177.8 MB in the end (delta: -98.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.81 ms. Allocated memory is still 201.3 MB. Free memory was 177.8 MB in the beginning and 168.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243.66 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 155.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...