/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:14:21,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:14:21,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:14:22,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:14:22,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:14:22,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:14:22,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:14:22,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:14:22,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:14:22,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:14:22,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:14:22,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:14:22,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:14:22,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:14:22,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:14:22,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:14:22,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:14:22,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:14:22,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:14:22,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:14:22,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:14:22,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:14:22,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:14:22,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:14:22,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:14:22,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:14:22,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:14:22,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:14:22,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:14:22,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:14:22,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:14:22,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:14:22,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:14:22,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:14:22,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:14:22,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:14:22,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:14:22,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:14:22,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:14:22,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:14:22,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:14:22,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:14:22,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:14:22,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:14:22,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:14:22,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:14:22,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:14:22,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:14:22,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:14:22,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:14:22,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:14:22,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:14:22,049 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:14:22,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:14:22,049 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:14:22,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:14:22,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:14:22,050 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:14:22,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:14:22,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:14:22,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:14:22,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:14:22,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:14:22,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:14:22,051 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:14:22,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:14:22,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:14:22,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:14:22,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:14:22,349 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:14:22,350 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-07-17 13:14:22,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c48c1c11/e0f4d2fdad0e463c9f09c89c6d9de1c1/FLAGb931ec3ae [2020-07-17 13:14:22,890 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:14:22,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-07-17 13:14:22,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c48c1c11/e0f4d2fdad0e463c9f09c89c6d9de1c1/FLAGb931ec3ae [2020-07-17 13:14:23,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c48c1c11/e0f4d2fdad0e463c9f09c89c6d9de1c1 [2020-07-17 13:14:23,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:14:23,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:14:23,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:14:23,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:14:23,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:14:23,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9b0474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23, skipping insertion in model container [2020-07-17 13:14:23,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:14:23,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:14:23,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:14:23,515 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:14:23,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:14:23,544 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:14:23,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23 WrapperNode [2020-07-17 13:14:23,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:14:23,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:14:23,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:14:23,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:14:23,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (1/1) ... [2020-07-17 13:14:23,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:14:23,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:14:23,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:14:23,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:14:23,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (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 13:14:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:14:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:14:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:14:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:14:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:14:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:14:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:14:23,874 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:14:23,874 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 13:14:23,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:14:23 BoogieIcfgContainer [2020-07-17 13:14:23,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:14:23,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:14:23,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:14:23,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:14:23,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:14:23" (1/3) ... [2020-07-17 13:14:23,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9957e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:14:23, skipping insertion in model container [2020-07-17 13:14:23,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:23" (2/3) ... [2020-07-17 13:14:23,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9957e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:14:23, skipping insertion in model container [2020-07-17 13:14:23,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:14:23" (3/3) ... [2020-07-17 13:14:23,890 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-07-17 13:14:23,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:14:23,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:14:23,919 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:14:23,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:14:23,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:14:23,941 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:14:23,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:14:23,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:14:23,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:14:23,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:14:23,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:14:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-07-17 13:14:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-17 13:14:23,961 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:14:23,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:14:23,962 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:14:23,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:14:23,969 INFO L82 PathProgramCache]: Analyzing trace with hash 811150295, now seen corresponding path program 1 times [2020-07-17 13:14:23,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:14:23,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874515638] [2020-07-17 13:14:23,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:14:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:14:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:14:24,084 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:14:24,086 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 13:14:24,086 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 13:14:24,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:14:24,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:14:24 BoogieIcfgContainer [2020-07-17 13:14:24,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:14:24,105 INFO L168 Benchmark]: Toolchain (without parser) took 806.88 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 156.0 MB in the end (delta: -56.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:24,107 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 139.5 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 13:14:24,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.80 ms. Allocated memory is still 139.5 MB. Free memory was 99.4 MB in the beginning and 90.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:24,109 INFO L168 Benchmark]: Boogie Preprocessor took 30.45 ms. Allocated memory is still 139.5 MB. Free memory was 90.2 MB in the beginning and 88.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:24,110 INFO L168 Benchmark]: RCFGBuilder took 302.87 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 88.6 MB in the beginning and 168.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:24,111 INFO L168 Benchmark]: TraceAbstraction took 221.24 ms. Allocated memory is still 199.2 MB. Free memory was 168.2 MB in the beginning and 156.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:24,115 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 139.5 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.80 ms. Allocated memory is still 139.5 MB. Free memory was 99.4 MB in the beginning and 90.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.45 ms. Allocated memory is still 139.5 MB. Free memory was 90.2 MB in the beginning and 88.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 302.87 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 88.6 MB in the beginning and 168.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221.24 ms. Allocated memory is still 199.2 MB. Free memory was 168.2 MB in the beginning and 156.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 != 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 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=15occurred 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...