/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:33:12,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:33:12,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:33:12,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:33:12,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:33:12,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:33:12,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:33:12,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:33:12,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:33:12,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:33:12,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:33:12,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:33:12,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:33:12,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:33:12,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:33:12,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:33:12,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:33:12,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:33:12,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:33:12,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:33:12,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:33:12,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:33:12,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:33:12,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:33:12,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:33:12,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:33:12,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:33:12,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:33:12,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:33:12,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:33:12,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:33:12,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:33:12,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:33:12,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:33:12,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:33:12,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:33:12,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:33:12,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:33:12,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:33:12,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:33:12,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:33:12,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:33:12,297 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:33:12,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:33:12,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:33:12,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:33:12,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:33:12,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:33:12,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:33:12,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:33:12,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:33:12,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:33:12,302 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:33:12,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:33:12,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:33:12,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:33:12,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:33:12,303 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:33:12,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:33:12,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:33:12,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:33:12,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:33:12,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:33:12,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:33:12,306 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:33:12,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:33:12,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:33:12,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:33:12,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:33:12,598 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:33:12,600 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c [2020-08-22 18:33:12,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f68e9ba/c0d939c551f24957932b6f7b74cc5586/FLAG9af33cc00 [2020-08-22 18:33:13,110 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:33:13,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension-1.c [2020-08-22 18:33:13,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f68e9ba/c0d939c551f24957932b6f7b74cc5586/FLAG9af33cc00 [2020-08-22 18:33:13,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f68e9ba/c0d939c551f24957932b6f7b74cc5586 [2020-08-22 18:33:13,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:33:13,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:33:13,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:33:13,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:33:13,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:33:13,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1982e62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13, skipping insertion in model container [2020-08-22 18:33:13,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:33:13,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:33:13,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:33:13,744 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:33:13,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:33:13,779 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:33:13,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13 WrapperNode [2020-08-22 18:33:13,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:33:13,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:33:13,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:33:13,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:33:13,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (1/1) ... [2020-08-22 18:33:13,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:33:13,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:33:13,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:33:13,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:33:13,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (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 [2020-08-22 18:33:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:33:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:33:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:33:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:33:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:33:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:33:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:33:14,110 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:33:14,110 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:33:14,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:33:14 BoogieIcfgContainer [2020-08-22 18:33:14,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:33:14,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:33:14,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:33:14,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:33:14,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:33:13" (1/3) ... [2020-08-22 18:33:14,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c74d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:33:14, skipping insertion in model container [2020-08-22 18:33:14,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:33:13" (2/3) ... [2020-08-22 18:33:14,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c74d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:33:14, skipping insertion in model container [2020-08-22 18:33:14,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:33:14" (3/3) ... [2020-08-22 18:33:14,122 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension-1.c [2020-08-22 18:33:14,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:33:14,138 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:33:14,152 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:33:14,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:33:14,174 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:33:14,174 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:33:14,174 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:33:14,174 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:33:14,175 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:33:14,175 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:33:14,175 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:33:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-08-22 18:33:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 18:33:14,197 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:33:14,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:33:14,199 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:33:14,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:33:14,205 INFO L82 PathProgramCache]: Analyzing trace with hash 49487317, now seen corresponding path program 1 times [2020-08-22 18:33:14,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:33:14,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136364405] [2020-08-22 18:33:14,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:33:14,280 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:33:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:33:14,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:33:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:33:14,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:33:14,372 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:33:14,372 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:33:14,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:33:14,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:33:14 BoogieIcfgContainer [2020-08-22 18:33:14,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:33:14,392 INFO L168 Benchmark]: Toolchain (without parser) took 886.48 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 103.4 MB in the beginning and 156.0 MB in the end (delta: -52.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:14,394 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 18:33:14,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.67 ms. Allocated memory is still 139.5 MB. Free memory was 103.0 MB in the beginning and 93.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:14,396 INFO L168 Benchmark]: Boogie Preprocessor took 101.39 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 93.8 MB in the beginning and 181.5 MB in the end (delta: -87.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:14,397 INFO L168 Benchmark]: RCFGBuilder took 231.14 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 170.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:14,398 INFO L168 Benchmark]: TraceAbstraction took 274.39 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 156.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-22 18:33:14,402 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.67 ms. Allocated memory is still 139.5 MB. Free memory was 103.0 MB in the beginning and 93.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.39 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 93.8 MB in the beginning and 181.5 MB in the end (delta: -87.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.14 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 170.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 274.39 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 156.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 25]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned short int allbits = -1; [L6] short int signedallbits = allbits; [L7] int unsignedtosigned = allbits; [L8] unsigned int unsignedtounsigned = allbits; [L9] int signedtosigned = signedallbits; [L10] unsigned int signedtounsigned = signedallbits; [L19-L20] COND TRUE unsignedtosigned == 65535 && unsignedtounsigned == 65535 && signedtosigned == -1 && signedtounsigned == 4294967295 [L25] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: No data available, 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...