/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:22:39,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:22:39,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:22:39,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:22:39,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:22:39,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:22:39,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:22:39,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:22:39,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:22:39,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:22:39,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:22:39,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:22:39,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:22:39,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:22:39,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:22:39,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:22:39,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:22:39,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:22:39,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:22:39,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:22:39,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:22:39,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:22:39,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:22:39,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:22:39,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 15:22:39,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:22:39,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:22:39,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:22:39,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:22:39,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:22:39,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:22:39,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:22:39,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:22:39,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:22:39,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:22:39,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:22:39,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:22:39,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:22:39,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:22:39,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:22:39,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:22:39,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:22:39,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:22:39,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:22:39,989 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:22:39,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:22:39,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:22:39,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:22:39,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:22:39,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:22:39,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:22:39,991 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:22:40,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:22:40,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:22:40,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:22:40,317 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:22:40,318 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:22:40,319 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-07-07 15:22:40,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9788097/6c98fc4e798743a0b1669c07be9166da/FLAGba2f61a72 [2020-07-07 15:22:40,874 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:22:40,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-07-07 15:22:40,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9788097/6c98fc4e798743a0b1669c07be9166da/FLAGba2f61a72 [2020-07-07 15:22:41,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9788097/6c98fc4e798743a0b1669c07be9166da [2020-07-07 15:22:41,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:22:41,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:22:41,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:41,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:22:41,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:22:41,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c583c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41, skipping insertion in model container [2020-07-07 15:22:41,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:22:41,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:22:41,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:41,466 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:22:41,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:41,494 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:22:41,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41 WrapperNode [2020-07-07 15:22:41,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:41,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:22:41,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:22:41,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:22:41,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (1/1) ... [2020-07-07 15:22:41,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:22:41,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:22:41,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:22:41,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:22:41,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (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 [2020-07-07 15:22:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:22:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:22:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:22:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:22:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:22:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:22:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:22:41,830 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:22:41,830 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:22:41,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:41 BoogieIcfgContainer [2020-07-07 15:22:41,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:22:41,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:22:41,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:22:41,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:22:41,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:22:41" (1/3) ... [2020-07-07 15:22:41,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaede79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:41, skipping insertion in model container [2020-07-07 15:22:41,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:41" (2/3) ... [2020-07-07 15:22:41,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaede79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:41, skipping insertion in model container [2020-07-07 15:22:41,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:41" (3/3) ... [2020-07-07 15:22:41,843 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2020-07-07 15:22:41,853 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:22:41,861 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:22:41,876 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:22:41,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:22:41,897 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:22:41,897 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:22:41,897 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:22:41,898 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:22:41,898 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:22:41,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:22:41,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:22:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-07 15:22:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-07 15:22:41,923 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:22:41,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:22:41,925 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:22:41,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:22:41,932 INFO L82 PathProgramCache]: Analyzing trace with hash 200623931, now seen corresponding path program 1 times [2020-07-07 15:22:41,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:22:41,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703681046] [2020-07-07 15:22:41,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:22:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 15:22:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 15:22:41,991 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 15:22:41,992 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 15:22:42,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 03:22:42 BoogieIcfgContainer [2020-07-07 15:22:42,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 15:22:42,024 INFO L168 Benchmark]: Toolchain (without parser) took 781.94 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 100.6 MB in the beginning and 157.1 MB in the end (delta: -56.5 MB). Peak memory consumption was 138.4 kB. Max. memory is 7.1 GB. [2020-07-07 15:22:42,025 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:22:42,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.56 ms. Allocated memory is still 142.6 MB. Free memory was 100.4 MB in the beginning and 91.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:42,028 INFO L168 Benchmark]: Boogie Preprocessor took 26.49 ms. Allocated memory is still 142.6 MB. Free memory was 91.0 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:42,030 INFO L168 Benchmark]: RCFGBuilder took 312.21 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 89.7 MB in the beginning and 168.0 MB in the end (delta: -78.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:42,031 INFO L168 Benchmark]: TraceAbstraction took 184.85 ms. Allocated memory is still 199.2 MB. Free memory was 168.0 MB in the beginning and 157.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:42,037 INFO L336 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 142.6 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.56 ms. Allocated memory is still 142.6 MB. Free memory was 100.4 MB in the beginning and 91.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.49 ms. Allocated memory is still 142.6 MB. Free memory was 91.0 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.21 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 89.7 MB in the beginning and 168.0 MB in the end (delta: -78.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184.85 ms. Allocated memory is still 199.2 MB. Free memory was 168.0 MB in the beginning and 157.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] unsigned int allOne = -1; VAL [allOne=4294967295] [L6] int castToInt = allOne; VAL [allOne=4294967295, castToInt=-1] [L7] long castToLong = allOne; VAL [allOne=4294967295, castToInt=-1, castToLong=-1] [L8] long castToLong2 = castToInt; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1] [L9] unsigned long castToULong = allOne; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L11-L12] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L17] __VERIFIER_error() VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.0s, 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=18occurred 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, 11 NumberOfCodeBlocks, 11 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...