/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/signextension2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:25:56,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:25:56,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:25:56,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:25:56,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:25:56,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:25:56,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:25:56,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:25:56,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:25:56,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:25:56,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:25:56,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:25:56,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:25:56,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:25:56,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:25:56,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:25:56,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:25:56,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:25:56,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:25:56,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:25:56,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:25:56,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:25:56,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:25:56,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:25:56,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:25:56,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:25:56,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:25:56,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:25:56,629 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 20:25:56,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:25:56,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:25:56,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:25:56,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:25:56,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:25:56,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:25:56,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:25:56,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:25:56,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:25:56,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:25:56,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:25:56,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:25:56,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:25:56,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:25:56,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:25:56,664 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:25:56,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:25:56,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:25:56,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:25:56,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:25:56,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:25:56,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:25:56,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:25:57,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:25:57,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:25:57,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:25:57,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:25:57,211 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:25:57,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-10-23 20:25:57,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8647c79a7/1684dc1f59f640c590fefea211b2b103/FLAGa7c600b74 [2020-10-23 20:25:58,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:25:58,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-2.c [2020-10-23 20:25:58,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8647c79a7/1684dc1f59f640c590fefea211b2b103/FLAGa7c600b74 [2020-10-23 20:25:58,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8647c79a7/1684dc1f59f640c590fefea211b2b103 [2020-10-23 20:25:58,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:25:58,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:25:58,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:58,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:25:58,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:25:58,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1cb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58, skipping insertion in model container [2020-10-23 20:25:58,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:25:58,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:25:58,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:58,647 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:25:58,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:58,680 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:25:58,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58 WrapperNode [2020-10-23 20:25:58,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:58,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:25:58,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:25:58,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:25:58,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2020-10-23 20:25:58,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:25:58,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:25:58,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:25:58,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:25:58,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (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 20:25:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:25:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:25:58,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:25:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:25:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:25:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:25:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:25:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:25:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:25:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:25:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:25:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:25:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:25:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:25:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:25:59,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:25:59,032 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 20:25:59,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:59 BoogieIcfgContainer [2020-10-23 20:25:59,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:25:59,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:25:59,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:25:59,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:25:59,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:25:58" (1/3) ... [2020-10-23 20:25:59,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d75f7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:59, skipping insertion in model container [2020-10-23 20:25:59,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (2/3) ... [2020-10-23 20:25:59,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d75f7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:59, skipping insertion in model container [2020-10-23 20:25:59,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:59" (3/3) ... [2020-10-23 20:25:59,045 INFO L111 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2020-10-23 20:25:59,062 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:25:59,068 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:25:59,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:25:59,172 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:25:59,172 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:25:59,172 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:25:59,172 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:25:59,173 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:25:59,173 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:25:59,173 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:25:59,173 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:25:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-23 20:25:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-23 20:25:59,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:59,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:25:59,203 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:59,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:59,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1024341426, now seen corresponding path program 1 times [2020-10-23 20:25:59,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:59,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016189242] [2020-10-23 20:25:59,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:59,309 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:25:59,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:25:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:25:59,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:25:59,589 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:25:59,590 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:25:59,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:25:59,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:25:59 BoogieIcfgContainer [2020-10-23 20:25:59,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:25:59,612 INFO L168 Benchmark]: Toolchain (without parser) took 1202.26 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 124.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:59,614 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 125.6 MB in the end (delta: 137.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:25:59,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.68 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 118.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:59,616 INFO L168 Benchmark]: Boogie Preprocessor took 35.03 ms. Allocated memory is still 151.0 MB. Free memory was 118.3 MB in the beginning and 117.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:59,617 INFO L168 Benchmark]: RCFGBuilder took 315.56 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 104.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:59,619 INFO L168 Benchmark]: TraceAbstraction took 573.50 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 124.1 MB in the end (delta: -19.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:25:59,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 125.6 MB in the end (delta: 137.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 258.68 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 118.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.03 ms. Allocated memory is still 151.0 MB. Free memory was 118.3 MB in the beginning and 117.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 315.56 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 104.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 573.50 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 124.1 MB in the end (delta: -19.9 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] unsigned int allOne = -1; [L8] int castToInt = allOne; [L9] long castToLong = allOne; [L10] long castToLong2 = castToInt; [L11] unsigned long castToULong = allOne; [L13-L14] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL [L19] CALL reach_error() [L3] __assert_fail("0", "signextension2-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=30occurred 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 proved your program to be incorrect! Received shutdown request...