/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 false -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-eb0fd7c [2020-09-21 10:17:21,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:17:21,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:17:21,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:17:21,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:17:21,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:17:21,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:17:21,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:17:22,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:17:22,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:17:22,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:17:22,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:17:22,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:17:22,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:17:22,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:17:22,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:17:22,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:17:22,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:17:22,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:17:22,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:17:22,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:17:22,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:17:22,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:17:22,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:17:22,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:17:22,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:17:22,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:17:22,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:17:22,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:17:22,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 10:17:22,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:17:22,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:17:22,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:17:22,039 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 [2020-09-21 10:17:22,067 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:17:22,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:17:22,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:17:22,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:17:22,070 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:17:22,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:17:22,070 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:17:22,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:17:22,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:17:22,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:17:22,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:17:22,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:17:22,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:17:22,071 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:17:22,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:17:22,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:17:22,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:17:22,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:17:22,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:17:22,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:17:22,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:17:22,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:17:22,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:17:22,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:17:22,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:17:22,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:17:22,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:17:22,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:17:22,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:17:22,075 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 -> false [2020-09-21 10:17:22,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:17:22,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:17:22,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:17:22,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:17:22,614 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:17:22,616 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-09-21 10:17:22,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6cb14557d/1105596c97e649bd874741d414ee126b/FLAG8e626c2cc [2020-09-21 10:17:23,278 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:17:23,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-09-21 10:17:23,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6cb14557d/1105596c97e649bd874741d414ee126b/FLAG8e626c2cc [2020-09-21 10:17:23,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6cb14557d/1105596c97e649bd874741d414ee126b [2020-09-21 10:17:23,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:17:23,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:17:23,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:17:23,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:17:23,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:17:23,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29fcb34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23, skipping insertion in model container [2020-09-21 10:17:23,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:17:23,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:17:23,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:17:23,899 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:17:23,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:17:23,937 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:17:23,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23 WrapperNode [2020-09-21 10:17:23,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:17:23,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:17:23,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:17:23,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:17:23,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (1/1) ... [2020-09-21 10:17:23,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:17:23,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:17:23,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:17:23,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:17:23,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (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 [2020-09-21 10:17:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:17:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:17:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:17:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:17:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:17:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:17:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:17:24,292 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:17:24,292 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 10:17:24,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:17:24 BoogieIcfgContainer [2020-09-21 10:17:24,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:17:24,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:17:24,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:17:24,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:17:24,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:17:23" (1/3) ... [2020-09-21 10:17:24,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f4ab1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:17:24, skipping insertion in model container [2020-09-21 10:17:24,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:17:23" (2/3) ... [2020-09-21 10:17:24,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f4ab1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:17:24, skipping insertion in model container [2020-09-21 10:17:24,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:17:24" (3/3) ... [2020-09-21 10:17:24,306 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2020-09-21 10:17:24,314 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:17:24,323 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:17:24,344 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:17:24,373 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:17:24,373 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:17:24,374 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:17:24,374 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:17:24,374 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:17:24,374 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:17:24,374 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:17:24,374 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:17:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-09-21 10:17:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-21 10:17:24,400 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:17:24,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:17:24,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:17:24,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:17:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-09-21 10:17:24,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:17:24,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [854686440] [2020-09-21 10:17:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:17:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 10:17:24,543 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 10:17:24,544 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 10:17:24,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:17:24,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:17:24 BoogieIcfgContainer [2020-09-21 10:17:24,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:17:24,568 INFO L168 Benchmark]: Toolchain (without parser) took 924.12 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 101.7 MB in the beginning and 157.1 MB in the end (delta: -55.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-09-21 10:17:24,569 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 10:17:24,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.61 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 91.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-21 10:17:24,571 INFO L168 Benchmark]: Boogie Preprocessor took 35.20 ms. Allocated memory is still 138.4 MB. Free memory was 91.7 MB in the beginning and 90.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2020-09-21 10:17:24,572 INFO L168 Benchmark]: RCFGBuilder took 321.75 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 90.3 MB in the beginning and 169.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-21 10:17:24,573 INFO L168 Benchmark]: TraceAbstraction took 267.32 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 157.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:17:24,578 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.61 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 91.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.20 ms. Allocated memory is still 138.4 MB. Free memory was 91.7 MB in the beginning and 90.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 321.75 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 90.3 MB in the beginning and 169.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267.32 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 157.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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...