/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:36:01,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:36:01,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:36:01,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:36:01,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:36:01,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:36:01,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:36:01,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:36:01,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:36:01,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:36:01,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:36:01,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:36:01,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:36:01,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:36:01,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:36:01,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:36:01,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:36:01,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:36:01,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:36:01,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:36:01,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:36:01,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:36:01,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:36:01,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:36:01,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:36:01,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:36:01,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:36:01,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:36:01,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:36:01,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:36:01,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:36:01,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:36:01,220 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:36:01,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:36:01,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:36:01,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:36:01,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:36:01,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:36:01,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:36:01,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:36:01,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:36:01,222 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:36:01,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:36:01,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:36:01,223 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:36:01,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:36:01,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:36:01,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:36:01,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:36:01,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:36:01,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:36:01,224 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:36:01,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:36:01,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:36:01,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:36:01,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:36:01,532 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:36:01,533 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c [2020-07-10 18:36:01,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4c72b0e/ecbdbc45d1d94da3aa94b25a640ed855/FLAG9def0d9e1 [2020-07-10 18:36:02,024 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:36:02,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension-1.c [2020-07-10 18:36:02,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4c72b0e/ecbdbc45d1d94da3aa94b25a640ed855/FLAG9def0d9e1 [2020-07-10 18:36:02,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4c72b0e/ecbdbc45d1d94da3aa94b25a640ed855 [2020-07-10 18:36:02,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:36:02,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:36:02,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:36:02,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:36:02,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:36:02,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185b8725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02, skipping insertion in model container [2020-07-10 18:36:02,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:36:02,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:36:02,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:36:02,717 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:36:02,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:36:02,745 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:36:02,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02 WrapperNode [2020-07-10 18:36:02,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:36:02,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:36:02,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:36:02,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:36:02,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (1/1) ... [2020-07-10 18:36:02,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:36:02,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:36:02,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:36:02,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:36:02,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (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 [2020-07-10 18:36:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:36:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:36:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:36:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:36:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:36:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:36:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:36:03,099 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:36:03,100 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:36:03,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:36:03 BoogieIcfgContainer [2020-07-10 18:36:03,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:36:03,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:36:03,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:36:03,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:36:03,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:36:02" (1/3) ... [2020-07-10 18:36:03,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f6ec94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:36:03, skipping insertion in model container [2020-07-10 18:36:03,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:02" (2/3) ... [2020-07-10 18:36:03,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f6ec94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:36:03, skipping insertion in model container [2020-07-10 18:36:03,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:36:03" (3/3) ... [2020-07-10 18:36:03,112 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension-1.c [2020-07-10 18:36:03,123 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:36:03,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:36:03,166 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:36:03,204 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:36:03,205 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:36:03,205 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:36:03,205 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:36:03,205 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:36:03,206 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:36:03,218 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:36:03,219 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:36:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-10 18:36:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-10 18:36:03,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:36:03,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:36:03,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:36:03,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:36:03,267 INFO L82 PathProgramCache]: Analyzing trace with hash 49487317, now seen corresponding path program 1 times [2020-07-10 18:36:03,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:36:03,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907481304] [2020-07-10 18:36:03,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:36:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:36:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:36:03,421 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:36:03,423 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:36:03,423 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:36:03,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:36:03,441 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:36:03,441 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:36:03,441 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:36:03,441 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:36:03,441 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:36:03,441 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:36:03,442 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:36:03,442 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-10 18:36:03,442 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:36:03,442 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-10 18:36:03,442 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 18:36:03,442 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-10 18:36:03,443 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 18:36:03,444 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:36:03,444 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:36:03,444 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 18:36:03,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:36:03 BoogieIcfgContainer [2020-07-10 18:36:03,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:36:03,452 INFO L168 Benchmark]: Toolchain (without parser) took 985.19 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 148.0 MB in the end (delta: -48.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:03,453 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 18:36:03,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.26 ms. Allocated memory is still 134.2 MB. Free memory was 99.4 MB in the beginning and 89.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:03,455 INFO L168 Benchmark]: Boogie Preprocessor took 22.64 ms. Allocated memory is still 134.2 MB. Free memory was 89.8 MB in the beginning and 88.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:03,456 INFO L168 Benchmark]: RCFGBuilder took 334.48 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 88.4 MB in the beginning and 162.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:03,457 INFO L168 Benchmark]: TraceAbstraction took 343.18 ms. Allocated memory is still 197.1 MB. Free memory was 162.0 MB in the beginning and 148.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:03,460 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.26 ms. Allocated memory is still 134.2 MB. Free memory was 99.4 MB in the beginning and 89.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.64 ms. Allocated memory is still 134.2 MB. Free memory was 89.8 MB in the beginning and 88.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.48 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 88.4 MB in the beginning and 162.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 343.18 ms. Allocated memory is still 197.1 MB. Free memory was 162.0 MB in the beginning and 148.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 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...