/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:44:12,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:44:12,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:44:12,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:44:12,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:44:12,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:44:12,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:44:12,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:44:12,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:44:12,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:44:12,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:44:12,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:44:12,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:44:12,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:44:12,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:44:12,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:44:12,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:44:12,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:44:12,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:44:12,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:44:12,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:44:12,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:44:12,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:44:12,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:44:12,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 11:44:12,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:44:12,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:44:12,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:44:12,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:44:12,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:44:12,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:44:12,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:44:12,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:44:12,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:44:12,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:44:12,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:44:12,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:44:12,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:44:12,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:44:12,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:44:12,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:44:12,128 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:44:12,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:44:12,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:44:12,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:44:12,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:44:12,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:44:12,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:44:12,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:44:12,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:44:12,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:44:12,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:44:12,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:44:12,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:44:12,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:44:12,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:44:12,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:44:12,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:44:12,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:44:12,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:44:12,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:44:12,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:44:12,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:44:12,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:44:12,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:44:12,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:44:12,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:44:12,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:44:12,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:44:12,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:44:12,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:44:12,414 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:44:12,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-07-17 11:44:12,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db2b15f8/e14fec15386c444bb7ca552f3aebfad9/FLAG873500b4f [2020-07-17 11:44:12,918 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:44:12,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-07-17 11:44:12,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db2b15f8/e14fec15386c444bb7ca552f3aebfad9/FLAG873500b4f [2020-07-17 11:44:13,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db2b15f8/e14fec15386c444bb7ca552f3aebfad9 [2020-07-17 11:44:13,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:44:13,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:44:13,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:44:13,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:44:13,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:44:13,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ccf02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13, skipping insertion in model container [2020-07-17 11:44:13,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:44:13,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:44:13,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:44:13,589 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:44:13,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:44:13,618 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:44:13,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13 WrapperNode [2020-07-17 11:44:13,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:44:13,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:44:13,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:44:13,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:44:13,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (1/1) ... [2020-07-17 11:44:13,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:44:13,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:44:13,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:44:13,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:44:13,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (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 [2020-07-17 11:44:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:44:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:44:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:44:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:44:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:44:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:44:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:44:13,942 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:44:13,943 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 11:44:13,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:44:13 BoogieIcfgContainer [2020-07-17 11:44:13,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:44:13,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:44:13,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:44:13,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:44:13,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:44:13" (1/3) ... [2020-07-17 11:44:13,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db45b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:44:13, skipping insertion in model container [2020-07-17 11:44:13,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:44:13" (2/3) ... [2020-07-17 11:44:13,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db45b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:44:13, skipping insertion in model container [2020-07-17 11:44:13,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:44:13" (3/3) ... [2020-07-17 11:44:13,953 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2020-07-17 11:44:13,964 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:44:13,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:44:13,985 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:44:14,007 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:44:14,007 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:44:14,008 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:44:14,008 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:44:14,008 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:44:14,008 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:44:14,008 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:44:14,009 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:44:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-17 11:44:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-17 11:44:14,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:44:14,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:44:14,030 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:44:14,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:44:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-17 11:44:14,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:44:14,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374236791] [2020-07-17 11:44:14,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:44:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:44:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:44:14,226 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 11:44:14,226 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 11:44:14,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:44:14,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:44:14 BoogieIcfgContainer [2020-07-17 11:44:14,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:44:14,254 INFO L168 Benchmark]: Toolchain (without parser) took 881.34 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 154.6 MB in the end (delta: -52.9 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:44:14,255 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:44:14,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.89 ms. Allocated memory is still 143.7 MB. Free memory was 101.6 MB in the beginning and 92.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:44:14,257 INFO L168 Benchmark]: Boogie Preprocessor took 23.67 ms. Allocated memory is still 143.7 MB. Free memory was 92.2 MB in the beginning and 90.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:44:14,258 INFO L168 Benchmark]: RCFGBuilder took 301.61 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 90.9 MB in the beginning and 169.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:44:14,259 INFO L168 Benchmark]: TraceAbstraction took 304.34 ms. Allocated memory is still 201.3 MB. Free memory was 169.9 MB in the beginning and 154.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:44:14,263 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 143.7 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.89 ms. Allocated memory is still 143.7 MB. Free memory was 101.6 MB in the beginning and 92.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.67 ms. Allocated memory is still 143.7 MB. Free memory was 92.2 MB in the beginning and 90.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.61 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 90.9 MB in the beginning and 169.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 304.34 ms. Allocated memory is still 201.3 MB. Free memory was 169.9 MB in the beginning and 154.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 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; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L11-L12] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L17] __VERIFIER_error() VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=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...