/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-3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:25:53,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:25:53,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:25:53,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:25:53,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:25:53,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:25:53,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:25:53,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:25:53,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:25:53,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:25:53,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:25:53,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:25:53,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:25:53,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:25:53,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:25:53,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:25:53,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:25:53,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:25:53,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:25:53,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:25:53,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:25:53,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:25:53,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:25:53,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:25:53,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:25:53,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:25:53,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:25:53,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:25:53,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:25:53,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:25:53,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:25:53,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:25:53,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:25:53,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:25:53,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:25:53,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:25:53,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:25:53,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:25:53,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:25:53,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:25:53,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:25:53,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:25:53,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:25:53,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:25:53,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:25:53,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:25:53,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:25:53,638 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:25:53,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:25:53,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:25:53,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:25:53,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:25:53,639 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:25:53,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:25:53,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:25:53,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:25:53,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:25:53,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:25:53,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:25:53,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:25:54,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:25:54,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:25:54,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:25:54,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:25:54,091 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:25:54,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c [2020-10-23 20:25:54,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c4b562cb/6910dd5b5e6049498c670ea45637d27a/FLAGc05b6b90e [2020-10-23 20:25:54,742 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:25:54,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c [2020-10-23 20:25:54,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c4b562cb/6910dd5b5e6049498c670ea45637d27a/FLAGc05b6b90e [2020-10-23 20:25:55,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c4b562cb/6910dd5b5e6049498c670ea45637d27a [2020-10-23 20:25:55,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:25:55,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:25:55,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:55,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:25:55,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:25:55,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c14a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55, skipping insertion in model container [2020-10-23 20:25:55,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:25:55,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:25:55,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:55,441 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:25:55,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:55,468 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:25:55,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55 WrapperNode [2020-10-23 20:25:55,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:55,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:25:55,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:25:55,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:25:55,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (1/1) ... [2020-10-23 20:25:55,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:25:55,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:25:55,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:25:55,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:25:55,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (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 [2020-10-23 20:25:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:25:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:25:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:25:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:25:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:25:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:25:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:25:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:25:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:25:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:25:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:25:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:25:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:25:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:25:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:25:55,956 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:25:55,957 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 20:25:55,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:55 BoogieIcfgContainer [2020-10-23 20:25:55,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:25:55,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:25:55,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:25:55,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:25:55,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:25:55" (1/3) ... [2020-10-23 20:25:55,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db86348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:55, skipping insertion in model container [2020-10-23 20:25:55,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:55" (2/3) ... [2020-10-23 20:25:55,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db86348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:55, skipping insertion in model container [2020-10-23 20:25:55,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:55" (3/3) ... [2020-10-23 20:25:55,975 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-10-23 20:25:55,987 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:25:55,992 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:25:56,005 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:25:56,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:25:56,042 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:25:56,042 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:25:56,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:25:56,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:25:56,042 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:25:56,042 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:25:56,043 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:25:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-23 20:25:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-23 20:25:56,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:56,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:25:56,074 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:56,083 INFO L82 PathProgramCache]: Analyzing trace with hash 58455557, now seen corresponding path program 1 times [2020-10-23 20:25:56,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:56,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040481817] [2020-10-23 20:25:56,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:56,179 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:25:56,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:25:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:25:56,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:25:56,407 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:25:56,407 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:25:56,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:25:56,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:25:56 BoogieIcfgContainer [2020-10-23 20:25:56,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:25:56,431 INFO L168 Benchmark]: Toolchain (without parser) took 1277.46 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 120.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:56,435 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 107.4 MB in the beginning and 107.3 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:25:56,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.95 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 117.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:56,440 INFO L168 Benchmark]: Boogie Preprocessor took 28.86 ms. Allocated memory is still 151.0 MB. Free memory was 117.6 MB in the beginning and 116.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:56,442 INFO L168 Benchmark]: RCFGBuilder took 459.81 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 134.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:56,443 INFO L168 Benchmark]: TraceAbstraction took 463.99 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 120.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:56,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 107.4 MB in the beginning and 107.3 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 304.95 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 117.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.86 ms. Allocated memory is still 151.0 MB. Free memory was 117.6 MB in the beginning and 116.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 459.81 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 134.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 463.99 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 120.8 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-3.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...