/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 0.2.0-7d8eed3 [2020-11-07 00:25:20,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 00:25:20,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 00:25:20,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 00:25:20,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 00:25:20,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 00:25:20,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 00:25:20,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 00:25:20,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 00:25:20,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 00:25:20,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 00:25:20,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 00:25:20,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 00:25:20,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 00:25:20,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 00:25:20,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 00:25:20,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 00:25:20,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 00:25:20,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 00:25:20,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 00:25:20,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 00:25:20,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 00:25:20,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 00:25:20,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 00:25:20,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 00:25:20,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 00:25:20,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 00:25:20,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 00:25:20,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 00:25:20,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 00:25:20,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 00:25:20,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 00:25:20,897 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 00:25:20,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 00:25:20,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 00:25:20,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 00:25:20,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 00:25:20,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 00:25:20,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 00:25:20,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 00:25:20,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 00:25:20,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 00:25:20,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 00:25:20,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 00:25:20,901 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 00:25:20,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 00:25:20,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 00:25:20,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 00:25:20,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 00:25:20,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 00:25:20,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 00:25:20,903 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 00:25:21,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 00:25:21,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 00:25:21,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 00:25:21,308 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 00:25:21,309 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 00:25:21,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-11-07 00:25:21,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862ce9d26/e233119bc69b4f5b8b9612f440e725d6/FLAG3dc56994f [2020-11-07 00:25:21,961 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 00:25:21,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c [2020-11-07 00:25:21,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862ce9d26/e233119bc69b4f5b8b9612f440e725d6/FLAG3dc56994f [2020-11-07 00:25:22,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862ce9d26/e233119bc69b4f5b8b9612f440e725d6 [2020-11-07 00:25:22,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 00:25:22,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 00:25:22,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 00:25:22,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 00:25:22,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 00:25:22,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db99812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22, skipping insertion in model container [2020-11-07 00:25:22,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 00:25:22,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 00:25:22,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 00:25:22,631 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 00:25:22,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 00:25:22,662 INFO L208 MainTranslator]: Completed translation [2020-11-07 00:25:22,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22 WrapperNode [2020-11-07 00:25:22,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 00:25:22,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 00:25:22,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 00:25:22,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 00:25:22,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (1/1) ... [2020-11-07 00:25:22,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 00:25:22,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 00:25:22,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 00:25:22,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 00:25:22,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (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 [2020-11-07 00:25:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 00:25:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 00:25:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 00:25:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 00:25:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 00:25:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 00:25:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 00:25:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 00:25:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 00:25:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 00:25:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 00:25:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 00:25:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 00:25:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 00:25:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 00:25:23,094 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 00:25:23,095 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 00:25:23,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:25:23 BoogieIcfgContainer [2020-11-07 00:25:23,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 00:25:23,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 00:25:23,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 00:25:23,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 00:25:23,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:25:22" (1/3) ... [2020-11-07 00:25:23,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b532c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:25:23, skipping insertion in model container [2020-11-07 00:25:23,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:22" (2/3) ... [2020-11-07 00:25:23,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b532c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:25:23, skipping insertion in model container [2020-11-07 00:25:23,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:25:23" (3/3) ... [2020-11-07 00:25:23,106 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-11-07 00:25:23,121 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 00:25:23,125 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 00:25:23,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 00:25:23,181 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 00:25:23,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 00:25:23,182 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 00:25:23,182 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 00:25:23,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 00:25:23,185 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 00:25:23,185 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 00:25:23,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 00:25:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-11-07 00:25:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-07 00:25:23,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:25:23,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 00:25:23,241 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 00:25:23,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:25:23,249 INFO L82 PathProgramCache]: Analyzing trace with hash 58455557, now seen corresponding path program 1 times [2020-11-07 00:25:23,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:25:23,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553921644] [2020-11-07 00:25:23,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:25:23,351 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:25:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 00:25:23,453 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 00:25:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 00:25:23,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 00:25:23,559 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 00:25:23,560 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 00:25:23,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 00:25:23,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:25:23 BoogieIcfgContainer [2020-11-07 00:25:23,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 00:25:23,588 INFO L168 Benchmark]: Toolchain (without parser) took 1160.80 ms. Allocated memory is still 155.2 MB. Free memory was 111.4 MB in the beginning and 114.2 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 00:25:23,591 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 129.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 00:25:23,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.83 ms. Allocated memory is still 155.2 MB. Free memory was 110.5 MB in the beginning and 101.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 00:25:23,596 INFO L168 Benchmark]: Boogie Preprocessor took 37.81 ms. Allocated memory is still 155.2 MB. Free memory was 101.5 MB in the beginning and 100.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-07 00:25:23,598 INFO L168 Benchmark]: RCFGBuilder took 393.99 ms. Allocated memory is still 155.2 MB. Free memory was 100.5 MB in the beginning and 127.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 00:25:23,599 INFO L168 Benchmark]: TraceAbstraction took 485.23 ms. Allocated memory is still 155.2 MB. Free memory was 127.3 MB in the beginning and 114.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-07 00:25:23,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 129.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 228.83 ms. Allocated memory is still 155.2 MB. Free memory was 110.5 MB in the beginning and 101.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.81 ms. Allocated memory is still 155.2 MB. Free memory was 101.5 MB in the beginning and 100.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.99 ms. Allocated memory is still 155.2 MB. Free memory was 100.5 MB in the beginning and 127.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 485.23 ms. Allocated memory is still 155.2 MB. Free memory was 127.3 MB in the beginning and 114.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 != 0xfa [L14] CALL reach_error() [L3] __assert_fail("0", "integerpromotion-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=27occurred 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...