/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:15:38,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:15:38,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:15:38,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 00:15:38,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-22 00:15:38,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:15:38,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:15:38,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:15:38,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:15:38,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:15:38,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:15:38,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:15:38,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:15:38,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:15:38,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:15:38,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:15:38,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:15:38,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:15:38,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:15:38,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:15:38,297 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:15:38,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:15:38,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:15:38,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:15:38,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:15:38,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:15:38,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:15:38,299 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:15:38,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:15:38,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:15:38,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:15:38,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:15:38,768 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:15:38,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2021-02-22 00:15:38,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52633570/333188a28c444a848f929b0aa02c028e/FLAG6f8285b5f [2021-02-22 00:15:39,463 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:15:39,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2021-02-22 00:15:39,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52633570/333188a28c444a848f929b0aa02c028e/FLAG6f8285b5f [2021-02-22 00:15:39,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52633570/333188a28c444a848f929b0aa02c028e [2021-02-22 00:15:39,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:15:39,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:15:39,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:15:39,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:15:39,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:15:39,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:15:39" (1/1) ... [2021-02-22 00:15:39,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b47e76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:39, skipping insertion in model container [2021-02-22 00:15:39,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:15:39" (1/1) ... [2021-02-22 00:15:39,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:15:39,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:15:40,143 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c[589,602] [2021-02-22 00:15:40,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:15:40,157 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:15:40,176 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c[589,602] [2021-02-22 00:15:40,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:15:40,194 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:15:40,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40 WrapperNode [2021-02-22 00:15:40,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:15:40,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:15:40,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:15:40,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:15:40,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (1/1) ... [2021-02-22 00:15:40,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:15:40,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:15:40,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:15:40,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:15:40,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (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 [2021-02-22 00:15:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:15:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:15:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:15:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:15:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:15:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:15:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:15:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:15:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:15:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:15:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:15:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:15:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:15:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:15:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:15:40,694 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:15:40,695 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 00:15:40,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:15:40 BoogieIcfgContainer [2021-02-22 00:15:40,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:15:40,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:15:40,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:15:40,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:15:40,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:15:39" (1/3) ... [2021-02-22 00:15:40,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdda497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:15:40, skipping insertion in model container [2021-02-22 00:15:40,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:40" (2/3) ... [2021-02-22 00:15:40,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdda497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:15:40, skipping insertion in model container [2021-02-22 00:15:40,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:15:40" (3/3) ... [2021-02-22 00:15:40,708 INFO L111 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2021-02-22 00:15:40,717 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:15:40,743 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:15:40,764 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:15:40,791 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:15:40,791 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:15:40,792 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:15:40,792 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:15:40,795 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:15:40,796 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:15:40,796 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:15:40,796 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:15:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2021-02-22 00:15:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-22 00:15:40,825 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:15:40,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 00:15:40,827 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:15:40,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:15:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1995346262, now seen corresponding path program 1 times [2021-02-22 00:15:40,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:15:40,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064855458] [2021-02-22 00:15:40,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:15:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 00:15:40,977 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 00:15:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 00:15:41,047 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 00:15:41,111 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 00:15:41,112 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 00:15:41,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:15:41,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 12:15:41 BoogieIcfgContainer [2021-02-22 00:15:41,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 00:15:41,162 INFO L168 Benchmark]: Toolchain (without parser) took 1280.62 ms. Allocated memory is still 152.0 MB. Free memory was 128.8 MB in the beginning and 121.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. [2021-02-22 00:15:41,163 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 152.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:15:41,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.55 ms. Allocated memory is still 152.0 MB. Free memory was 127.6 MB in the beginning and 118.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 00:15:41,165 INFO L168 Benchmark]: Boogie Preprocessor took 36.18 ms. Allocated memory is still 152.0 MB. Free memory was 118.4 MB in the beginning and 117.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:15:41,166 INFO L168 Benchmark]: RCFGBuilder took 463.98 ms. Allocated memory is still 152.0 MB. Free memory was 117.2 MB in the beginning and 104.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-22 00:15:41,167 INFO L168 Benchmark]: TraceAbstraction took 460.04 ms. Allocated memory is still 152.0 MB. Free memory was 104.0 MB in the beginning and 121.2 MB in the end (delta: -17.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:15:41,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 152.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 296.55 ms. Allocated memory is still 152.0 MB. Free memory was 127.6 MB in the beginning and 118.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.18 ms. Allocated memory is still 152.0 MB. Free memory was 118.4 MB in the beginning and 117.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 463.98 ms. Allocated memory is still 152.0 MB. Free memory was 117.2 MB in the beginning and 104.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 460.04 ms. Allocated memory is still 152.0 MB. Free memory was 104.0 MB in the beginning and 121.2 MB in the end (delta: -17.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] unsigned int allOne = -1; VAL [allOne=4294967295] [L8] int castToInt = allOne; VAL [allOne=4294967295, castToInt=-1] [L9] long castToLong = allOne; VAL [allOne=4294967295, castToInt=-1, castToLong=-1] [L10] long castToLong2 = castToInt; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1] [L11] unsigned long castToULong = allOne; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L13-L14] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L19] reach_error() VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 19 NumberOfCodeBlocks, 19 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...