./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b1ecf55fdf540b15366dd2ae5c95c85d044be334 ..................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:25:29,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:25:29,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:25:29,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:25:29,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:25:29,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:25:29,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:25:29,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:25:29,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:25:29,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:25:29,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:25:29,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:25:29,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:25:29,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:25:29,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:25:29,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:25:29,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:25:29,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:25:29,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:25:29,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:25:29,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:25:29,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:25:29,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:25:29,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:25:29,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:25:29,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:25:29,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:25:29,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:25:29,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:25:29,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:25:29,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:25:29,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:25:29,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:25:29,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:25:29,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:25:29,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:25:29,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:25:29,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:25:29,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:25:29,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:25:29,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:25:29,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-07-29 01:25:29,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:25:29,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:25:29,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:25:29,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:25:29,307 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:25:29,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:25:29,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:25:29,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:25:29,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:25:29,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:25:29,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:25:29,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:25:29,312 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:25:29,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:25:29,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:25:29,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:25:29,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:25:29,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:25:29,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:25:29,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:25:29,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:25:29,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:25:29,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:25:29,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:25:29,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:25:29,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:25:29,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:25:29,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:25:29,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1ecf55fdf540b15366dd2ae5c95c85d044be334 [2020-07-29 01:25:29,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:25:29,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:25:29,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:25:29,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:25:29,668 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:25:29,670 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2020-07-29 01:25:29,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d212a12c3/6d17b6da6eeb483c8f7c5e6749c47a6f/FLAGd084d34ac [2020-07-29 01:25:30,345 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:25:30,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2020-07-29 01:25:30,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d212a12c3/6d17b6da6eeb483c8f7c5e6749c47a6f/FLAGd084d34ac [2020-07-29 01:25:30,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d212a12c3/6d17b6da6eeb483c8f7c5e6749c47a6f [2020-07-29 01:25:30,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:25:30,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:25:30,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:25:30,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:25:30,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:25:30,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:25:30" (1/1) ... [2020-07-29 01:25:30,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c68a44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:30, skipping insertion in model container [2020-07-29 01:25:30,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:25:30" (1/1) ... [2020-07-29 01:25:30,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:25:30,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:25:31,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:25:31,588 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:25:31,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:25:31,928 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:25:31,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31 WrapperNode [2020-07-29 01:25:31,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:25:31,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:25:31,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:25:31,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:25:31,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:31,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:25:32,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:25:32,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:25:32,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:25:32,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (1/1) ... [2020-07-29 01:25:32,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:25:32,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:25:32,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:25:32,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:25:32,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (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 [2020-07-29 01:25:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:25:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 01:25:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:25:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:25:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:25:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:25:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-07-29 01:25:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:25:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 01:25:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:25:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:25:33,844 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:25:33,844 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-29 01:25:33,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:33 BoogieIcfgContainer [2020-07-29 01:25:33,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:25:33,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:25:33,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:25:33,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:25:33,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:25:30" (1/3) ... [2020-07-29 01:25:33,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc386d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:25:33, skipping insertion in model container [2020-07-29 01:25:33,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:31" (2/3) ... [2020-07-29 01:25:33,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc386d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:25:33, skipping insertion in model container [2020-07-29 01:25:33,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:33" (3/3) ... [2020-07-29 01:25:33,861 INFO L109 eAbstractionObserver]: Analyzing ICFG basename-2.i [2020-07-29 01:25:33,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:25:33,881 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2020-07-29 01:25:33,897 INFO L251 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-07-29 01:25:33,924 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:25:33,924 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:25:33,925 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:25:33,925 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:25:33,925 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:25:33,925 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:25:33,926 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:25:33,926 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:25:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-07-29 01:25:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-29 01:25:33,955 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:25:33,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-29 01:25:33,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:25:33,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:25:33,965 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-07-29 01:25:33,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:25:33,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243089509] [2020-07-29 01:25:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:25:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:25:34,455 INFO L280 TraceCheckUtils]: 0: Hoare triple {129#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string41.base, #t~string41.offset, 1);call write~init~int(45, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string42.base, #t~string42.offset, 1);call write~init~int(45, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string43.base, #t~string43.offset, 1);call write~init~int(45, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string47.base, #t~string47.offset, 1);call write~init~int(45, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string50.base, #t~string50.offset, 1);call write~init~int(45, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string53.base, #t~string53.offset, 1);call write~init~int(45, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string57.base, #t~string57.offset, 1);call write~init~int(45, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);~applet_name~0.base, ~applet_name~0.offset := 0, 0;call ~#bb_errno_location~0.base, ~#bb_errno_location~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#bb_errno_location~0.base, ~#bb_errno_location~0.offset, 4);~bb_errno~0.base, ~bb_errno~0.offset := ~#bb_errno_location~0.base, ~#bb_errno_location~0.offset;call ~#dummy_utmp~0.base, ~#dummy_utmp~0.offset := #Ultimate.allocOnStack(382);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#dummy_utmp~0.base); {129#true} is VALID [2020-07-29 01:25:34,458 INFO L280 TraceCheckUtils]: 1: Hoare triple {129#true} havoc main_#res;havoc main_#t~malloc122.base, main_#t~malloc122.offset, main_#t~nondet124, main_#t~pre123, main_~i~3, main_#t~nondet125, main_#t~nondet126, main_#t~malloc127.base, main_#t~malloc127.offset, main_#t~malloc128.base, main_#t~malloc128.offset, main_#t~malloc130.base, main_#t~malloc130.offset, main_#t~mem131.base, main_#t~mem131.offset, main_#t~mem132.base, main_#t~mem132.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~nondet135, main_#t~pre133, main_~j~0, main_#t~pre129, main_~i~4, main_#t~ret136, main_#t~mem138.base, main_#t~mem138.offset, main_#t~pre137, main_~i~5, main_~a~0.base, main_~a~0.offset, main_~argc~0, main_~argv~0.base, main_~argv~0.offset, main_~mem_track~0.base, main_~mem_track~0.offset, main_~res~0;call main_#t~malloc122.base, main_#t~malloc122.offset := #Ultimate.allocOnHeap(11);main_~a~0.base, main_~a~0.offset := main_#t~malloc122.base, main_#t~malloc122.offset;call write~int(0, main_~a~0.base, 10 + main_~a~0.offset, 1);main_~i~3 := 0; {131#(= 0 ULTIMATE.start_main_~i~3)} is VALID [2020-07-29 01:25:34,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {131#(= 0 ULTIMATE.start_main_~i~3)} assume !!(main_~i~3 < 10);assume -128 <= main_#t~nondet124 && main_#t~nondet124 <= 127;call write~int(main_#t~nondet124, main_~a~0.base, main_~a~0.offset + main_~i~3, 1);havoc main_#t~nondet124; {131#(= 0 ULTIMATE.start_main_~i~3)} is VALID [2020-07-29 01:25:34,461 INFO L280 TraceCheckUtils]: 3: Hoare triple {131#(= 0 ULTIMATE.start_main_~i~3)} assume !(1 + main_~i~3 <= 2147483647); {130#false} is VALID [2020-07-29 01:25:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:25:34,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243089509] [2020-07-29 01:25:34,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:25:34,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:25:34,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266281622] [2020-07-29 01:25:34,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-29 01:25:34,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:25:34,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:25:34,497 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:25:34,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-29 01:25:34,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:25:34,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:25:34,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:25:34,510 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2020-07-29 01:25:34,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:25:34,979 INFO L93 Difference]: Finished difference Result 250 states and 340 transitions. [2020-07-29 01:25:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:25:34,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-29 01:25:34,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:25:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:25:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2020-07-29 01:25:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:25:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2020-07-29 01:25:35,005 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 340 transitions. [2020-07-29 01:25:35,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 340 edges. 340 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:25:35,555 INFO L225 Difference]: With dead ends: 250 [2020-07-29 01:25:35,556 INFO L226 Difference]: Without dead ends: 125 [2020-07-29 01:25:35,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:25:35,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-29 01:25:35,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-29 01:25:35,654 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:25:35,654 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 125 states. [2020-07-29 01:25:35,655 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-29 01:25:35,655 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-29 01:25:35,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:25:35,665 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2020-07-29 01:25:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 159 transitions. [2020-07-29 01:25:35,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:25:35,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:25:35,668 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-29 01:25:35,668 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-29 01:25:35,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:25:35,677 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2020-07-29 01:25:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 159 transitions. [2020-07-29 01:25:35,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:25:35,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:25:35,679 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:25:35,680 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:25:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-29 01:25:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2020-07-29 01:25:35,688 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 159 transitions. Word has length 4 [2020-07-29 01:25:35,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:25:35,689 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-07-29 01:25:35,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-29 01:25:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 159 transitions. [2020-07-29 01:25:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-29 01:25:35,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:25:35,690 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-07-29 01:25:35,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-29 01:25:35,691 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:25:35,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:25:35,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1809705867, now seen corresponding path program 1 times [2020-07-29 01:25:35,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:25:35,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826759102] [2020-07-29 01:25:35,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:25:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:25:35,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {807#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string41.base, #t~string41.offset, 1);call write~init~int(45, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string42.base, #t~string42.offset, 1);call write~init~int(45, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string43.base, #t~string43.offset, 1);call write~init~int(45, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string47.base, #t~string47.offset, 1);call write~init~int(45, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string50.base, #t~string50.offset, 1);call write~init~int(45, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string53.base, #t~string53.offset, 1);call write~init~int(45, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(45, #t~string57.base, #t~string57.offset, 1);call write~init~int(45, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);~applet_name~0.base, ~applet_name~0.offset := 0, 0;call ~#bb_errno_location~0.base, ~#bb_errno_location~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#bb_errno_location~0.base, ~#bb_errno_location~0.offset, 4);~bb_errno~0.base, ~bb_errno~0.offset := ~#bb_errno_location~0.base, ~#bb_errno_location~0.offset;call ~#dummy_utmp~0.base, ~#dummy_utmp~0.offset := #Ultimate.allocOnStack(382);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#dummy_utmp~0.base); {807#true} is VALID [2020-07-29 01:25:35,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {807#true} havoc main_#res;havoc main_#t~malloc122.base, main_#t~malloc122.offset, main_#t~nondet124, main_#t~pre123, main_~i~3, main_#t~nondet125, main_#t~nondet126, main_#t~malloc127.base, main_#t~malloc127.offset, main_#t~malloc128.base, main_#t~malloc128.offset, main_#t~malloc130.base, main_#t~malloc130.offset, main_#t~mem131.base, main_#t~mem131.offset, main_#t~mem132.base, main_#t~mem132.offset, main_#t~mem134.base, main_#t~mem134.offset, main_#t~nondet135, main_#t~pre133, main_~j~0, main_#t~pre129, main_~i~4, main_#t~ret136, main_#t~mem138.base, main_#t~mem138.offset, main_#t~pre137, main_~i~5, main_~a~0.base, main_~a~0.offset, main_~argc~0, main_~argv~0.base, main_~argv~0.offset, main_~mem_track~0.base, main_~mem_track~0.offset, main_~res~0;call main_#t~malloc122.base, main_#t~malloc122.offset := #Ultimate.allocOnHeap(11);main_~a~0.base, main_~a~0.offset := main_#t~malloc122.base, main_#t~malloc122.offset;call write~int(0, main_~a~0.base, 10 + main_~a~0.offset, 1);main_~i~3 := 0; {807#true} is VALID [2020-07-29 01:25:35,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {807#true} assume !!(main_~i~3 < 10);assume -128 <= main_#t~nondet124 && main_#t~nondet124 <= 127;call write~int(main_#t~nondet124, main_~a~0.base, main_~a~0.offset + main_~i~3, 1);havoc main_#t~nondet124; {807#true} is VALID [2020-07-29 01:25:35,886 INFO L280 TraceCheckUtils]: 3: Hoare triple {807#true} assume 1 + main_~i~3 <= 2147483647; {807#true} is VALID [2020-07-29 01:25:35,887 INFO L280 TraceCheckUtils]: 4: Hoare triple {807#true} assume 1 + main_~i~3 >= -2147483648;main_#t~pre123 := 1 + main_~i~3;main_~i~3 := 1 + main_~i~3;havoc main_#t~pre123; {807#true} is VALID [2020-07-29 01:25:35,889 INFO L280 TraceCheckUtils]: 5: Hoare triple {807#true} assume !!(main_~i~3 < 10);assume -128 <= main_#t~nondet124 && main_#t~nondet124 <= 127;call write~int(main_#t~nondet124, main_~a~0.base, main_~a~0.offset + main_~i~3, 1);havoc main_#t~nondet124; {809#(<= ULTIMATE.start_main_~i~3 9)} is VALID [2020-07-29 01:25:35,891 INFO L280 TraceCheckUtils]: 6: Hoare triple {809#(<= ULTIMATE.start_main_~i~3 9)} assume !(1 + main_~i~3 <= 2147483647); {808#false} is VALID [2020-07-29 01:25:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-29 01:25:35,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826759102] [2020-07-29 01:25:35,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:25:35,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:25:35,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237836050] [2020-07-29 01:25:35,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-07-29 01:25:35,897 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:25:35,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:25:35,910 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:25:35,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-29 01:25:35,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:25:35,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:25:35,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:25:35,912 INFO L87 Difference]: Start difference. First operand 125 states and 159 transitions. Second operand 3 states. [2020-07-29 01:25:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:25:36,219 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2020-07-29 01:25:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:25:36,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-07-29 01:25:36,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:25:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:25:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2020-07-29 01:25:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:25:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2020-07-29 01:25:36,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 157 transitions. [2020-07-29 01:25:36,429 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 157 edges. 157 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:25:36,438 INFO L225 Difference]: With dead ends: 125 [2020-07-29 01:25:36,438 INFO L226 Difference]: Without dead ends: 124 [2020-07-29 01:25:36,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:25:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-29 01:25:36,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-29 01:25:36,461 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:25:36,461 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 124 states. [2020-07-29 01:25:36,461 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-29 01:25:36,462 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-29 01:25:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:25:36,469 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2020-07-29 01:25:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2020-07-29 01:25:36,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:25:36,477 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:25:36,478 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-29 01:25:36,478 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-29 01:25:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:25:36,485 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2020-07-29 01:25:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2020-07-29 01:25:36,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:25:36,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:25:36,487 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:25:36,487 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:25:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-29 01:25:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 158 transitions. [2020-07-29 01:25:36,493 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 158 transitions. Word has length 7 [2020-07-29 01:25:36,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:25:36,493 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 158 transitions. [2020-07-29 01:25:36,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-29 01:25:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2020-07-29 01:25:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-29 01:25:36,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:25:36,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2020-07-29 01:25:36,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-29 01:25:36,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:25:36,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:25:36,496 INFO L82 PathProgramCache]: Analyzing trace with hash 266307074, now seen corresponding path program 1 times [2020-07-29 01:25:36,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:25:36,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967599458] [2020-07-29 01:25:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:25:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:25:36,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-29 01:25:36,536 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-29 01:25:36,544 INFO L168 Benchmark]: Toolchain (without parser) took 5962.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -90.4 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:36,545 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:25:36,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1342.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -87.9 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:36,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:36,548 INFO L168 Benchmark]: Boogie Preprocessor took 82.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:36,549 INFO L168 Benchmark]: RCFGBuilder took 1691.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 898.4 MB in the end (delta: 125.7 MB). Peak memory consumption was 125.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:36,550 INFO L168 Benchmark]: TraceAbstraction took 2688.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 898.4 MB in the beginning and 1.0 GB in the end (delta: -141.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:25:36,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1342.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -87.9 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1691.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 898.4 MB in the end (delta: 125.7 MB). Peak memory consumption was 125.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2688.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 898.4 MB in the beginning and 1.0 GB in the end (delta: -141.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...