/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:54:22,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 12:54:22,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 12:54:22,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 12:54:22,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 12:54:22,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 12:54:22,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 12:54:22,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 12:54:22,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 12:54:22,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 12:54:22,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 12:54:22,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 12:54:22,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:54:22,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:54:22,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:54:22,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:54:22,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:54:22,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:54:22,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:54:22,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:54:22,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:54:22,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:54:22,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:54:22,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:54:22,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 12:54:22,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:54:22,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:54:22,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:54:22,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 12:54:22,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:54:22,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:54:22,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:54:22,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:54:22,483 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:54:22,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:54:22,483 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:54:22,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:54:22,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:54:22,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:54:22,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:54:22,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:54:22,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:54:22,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:54:22,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:54:22,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:54:22,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:54:22,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:54:22,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:54:22,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:54:22,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:54:22,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:54:22,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:54:22,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:54:22,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:54:22,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:54:22,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:54:22,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:54:22,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:54:22,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 12:54:22,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:54:22,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:54:22,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:54:22,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:54:22,836 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:54:22,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-08-18 12:54:22,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72d1620f6/896811b119854d2b99f33b5fd91ea678/FLAG7b9c675dd [2020-08-18 12:54:23,305 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:54:23,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-08-18 12:54:23,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72d1620f6/896811b119854d2b99f33b5fd91ea678/FLAG7b9c675dd [2020-08-18 12:54:23,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72d1620f6/896811b119854d2b99f33b5fd91ea678 [2020-08-18 12:54:23,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:54:23,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:54:23,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:54:23,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:54:23,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:54:23,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:23,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf15244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23, skipping insertion in model container [2020-08-18 12:54:23,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:23,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:54:23,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:54:23,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:54:23,964 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:54:23,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:54:23,996 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:54:23,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23 WrapperNode [2020-08-18 12:54:23,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:54:23,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:54:23,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:54:23,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:54:24,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... [2020-08-18 12:54:24,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:54:24,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:54:24,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:54:24,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:54:24,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 12:54:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:54:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:54:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:54:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:54:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:54:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:54:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:54:24,327 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:54:24,328 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 12:54:24,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:54:24 BoogieIcfgContainer [2020-08-18 12:54:24,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:54:24,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:54:24,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:54:24,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:54:24,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:54:23" (1/3) ... [2020-08-18 12:54:24,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d39b918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:54:24, skipping insertion in model container [2020-08-18 12:54:24,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:54:23" (2/3) ... [2020-08-18 12:54:24,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d39b918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:54:24, skipping insertion in model container [2020-08-18 12:54:24,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:54:24" (3/3) ... [2020-08-18 12:54:24,340 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2020-08-18 12:54:24,351 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:54:24,358 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:54:24,372 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:54:24,396 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:54:24,396 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:54:24,396 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:54:24,396 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:54:24,396 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:54:24,396 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:54:24,397 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:54:24,397 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:54:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-08-18 12:54:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-08-18 12:54:24,417 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:54:24,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:54:24,418 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:54:24,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:54:24,423 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-08-18 12:54:24,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:54:24,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647246890] [2020-08-18 12:54:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:54:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-18 12:54:24,526 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-18 12:54:24,526 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-18 12:54:24,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:54:24,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:54:24 BoogieIcfgContainer [2020-08-18 12:54:24,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:54:24,546 INFO L168 Benchmark]: Toolchain (without parser) took 829.12 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 104.7 MB in the beginning and 160.0 MB in the end (delta: -55.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2020-08-18 12:54:24,548 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 12:54:24,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.83 ms. Allocated memory is still 141.6 MB. Free memory was 104.3 MB in the beginning and 95.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-08-18 12:54:24,550 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 ms. Allocated memory is still 141.6 MB. Free memory was 95.2 MB in the beginning and 93.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-08-18 12:54:24,552 INFO L168 Benchmark]: RCFGBuilder took 308.43 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 93.9 MB in the beginning and 172.3 MB in the end (delta: -78.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-08-18 12:54:24,553 INFO L168 Benchmark]: TraceAbstraction took 210.22 ms. Allocated memory is still 203.4 MB. Free memory was 171.4 MB in the beginning and 160.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-08-18 12:54:24,559 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.83 ms. Allocated memory is still 141.6 MB. Free memory was 104.3 MB in the beginning and 95.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.00 ms. Allocated memory is still 141.6 MB. Free memory was 95.2 MB in the beginning and 93.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.43 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 93.9 MB in the beginning and 172.3 MB in the end (delta: -78.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210.22 ms. Allocated memory is still 203.4 MB. Free memory was 171.4 MB in the beginning and 160.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 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; [L6] int castToInt = allOne; [L7] long castToLong = allOne; [L8] long castToLong2 = castToInt; [L9] unsigned long castToULong = allOne; [L11-L12] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL [L17] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...