./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ms1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/array-fpi/ms1f.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12c13a7d605482aeedfa8583d62fb65a7a39ae10 ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 02:13:09,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 02:13:09,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 02:13:10,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 02:13:10,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 02:13:10,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 02:13:10,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 02:13:10,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 02:13:10,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 02:13:10,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 02:13:10,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 02:13:10,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 02:13:10,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 02:13:10,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 02:13:10,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 02:13:10,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 02:13:10,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 02:13:10,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 02:13:10,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 02:13:10,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 02:13:10,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 02:13:10,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 02:13:10,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 02:13:10,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 02:13:10,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 02:13:10,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 02:13:10,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 02:13:10,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 02:13:10,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 02:13:10,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 02:13:10,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 02:13:10,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 02:13:10,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 02:13:10,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 02:13:10,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 02:13:10,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 02:13:10,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 02:13:10,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 02:13:10,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 02:13:10,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 02:13:10,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 02:13:10,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 02:13:10,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 02:13:10,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 02:13:10,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 02:13:10,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 02:13:10,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 02:13:10,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 02:13:10,136 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 02:13:10,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 02:13:10,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 02:13:10,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 02:13:10,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 02:13:10,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 02:13:10,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 02:13:10,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 02:13:10,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 02:13:10,138 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 02:13:10,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 02:13:10,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 02:13:10,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 02:13:10,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 02:13:10,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 02:13:10,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 02:13:10,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 02:13:10,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 02:13:10,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 02:13:10,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 02:13:10,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 02:13:10,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 02:13:10,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 02:13:10,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 02:13:10,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12c13a7d605482aeedfa8583d62fb65a7a39ae10 [2021-08-29 02:13:10,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 02:13:10,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 02:13:10,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 02:13:10,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 02:13:10,462 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 02:13:10,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms1f.c [2021-08-29 02:13:10,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f21aa677/44fbf20c5e44449ca9ab4779aeb3d96a/FLAG58397d104 [2021-08-29 02:13:10,921 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 02:13:10,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c [2021-08-29 02:13:10,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f21aa677/44fbf20c5e44449ca9ab4779aeb3d96a/FLAG58397d104 [2021-08-29 02:13:11,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f21aa677/44fbf20c5e44449ca9ab4779aeb3d96a [2021-08-29 02:13:11,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 02:13:11,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 02:13:11,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 02:13:11,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 02:13:11,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 02:13:11,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403c937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11, skipping insertion in model container [2021-08-29 02:13:11,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 02:13:11,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 02:13:11,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c[587,600] [2021-08-29 02:13:11,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 02:13:11,528 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 02:13:11,541 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c[587,600] [2021-08-29 02:13:11,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 02:13:11,572 INFO L208 MainTranslator]: Completed translation [2021-08-29 02:13:11,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11 WrapperNode [2021-08-29 02:13:11,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 02:13:11,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 02:13:11,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 02:13:11,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 02:13:11,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 02:13:11,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 02:13:11,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 02:13:11,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 02:13:11,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 02:13:11,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 02:13:11,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 02:13:11,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 02:13:11,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (1/1) ... [2021-08-29 02:13:11,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 02:13:11,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 02:13:11,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 02:13:11,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 02:13:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 02:13:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 02:13:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 02:13:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-29 02:13:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 02:13:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 02:13:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 02:13:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 02:13:11,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 02:13:11,929 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-29 02:13:11,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:13:11 BoogieIcfgContainer [2021-08-29 02:13:11,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 02:13:11,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 02:13:11,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 02:13:11,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 02:13:11,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:13:11" (1/3) ... [2021-08-29 02:13:11,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688f4a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:13:11, skipping insertion in model container [2021-08-29 02:13:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:13:11" (2/3) ... [2021-08-29 02:13:11,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688f4a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:13:11, skipping insertion in model container [2021-08-29 02:13:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:13:11" (3/3) ... [2021-08-29 02:13:11,938 INFO L111 eAbstractionObserver]: Analyzing ICFG ms1f.c [2021-08-29 02:13:11,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 02:13:11,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 02:13:11,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 02:13:11,992 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 02:13:11,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 02:13:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 02:13:12,009 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 02:13:12,012 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 02:13:12,012 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 02:13:12,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 02:13:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2021-08-29 02:13:12,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 02:13:12,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579894780] [2021-08-29 02:13:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 02:13:12,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 02:13:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 02:13:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 02:13:12,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 02:13:12,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579894780] [2021-08-29 02:13:12,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579894780] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 02:13:12,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 02:13:12,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 02:13:12,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29950132] [2021-08-29 02:13:12,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 02:13:12,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 02:13:12,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 02:13:12,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 02:13:12,232 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 02:13:12,321 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2021-08-29 02:13:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 02:13:12,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 02:13:12,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 02:13:12,329 INFO L225 Difference]: With dead ends: 34 [2021-08-29 02:13:12,329 INFO L226 Difference]: Without dead ends: 15 [2021-08-29 02:13:12,331 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 02:13:12,334 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.40ms IncrementalHoareTripleChecker+Time [2021-08-29 02:13:12,334 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 22 Unknown, 0 Unchecked, 0.28ms Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 75.40ms Time] [2021-08-29 02:13:12,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-08-29 02:13:12,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-08-29 02:13:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-08-29 02:13:12,358 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2021-08-29 02:13:12,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 02:13:12,359 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-08-29 02:13:12,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-08-29 02:13:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 02:13:12,360 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 02:13:12,360 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 02:13:12,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 02:13:12,360 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 02:13:12,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 02:13:12,361 INFO L82 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2021-08-29 02:13:12,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 02:13:12,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961459680] [2021-08-29 02:13:12,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 02:13:12,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 02:13:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 02:13:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 02:13:12,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 02:13:12,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961459680] [2021-08-29 02:13:12,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961459680] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 02:13:12,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 02:13:12,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 02:13:12,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153008196] [2021-08-29 02:13:12,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 02:13:12,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 02:13:12,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 02:13:12,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 02:13:12,448 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 02:13:12,522 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2021-08-29 02:13:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 02:13:12,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 02:13:12,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 02:13:12,524 INFO L225 Difference]: With dead ends: 28 [2021-08-29 02:13:12,525 INFO L226 Difference]: Without dead ends: 20 [2021-08-29 02:13:12,525 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.03ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 02:13:12,526 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.95ms IncrementalHoareTripleChecker+Time [2021-08-29 02:13:12,528 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 37 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 57.95ms Time] [2021-08-29 02:13:12,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-08-29 02:13:12,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-08-29 02:13:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-08-29 02:13:12,535 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2021-08-29 02:13:12,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 02:13:12,536 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-08-29 02:13:12,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 02:13:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-08-29 02:13:12,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 02:13:12,539 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 02:13:12,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 02:13:12,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 02:13:12,539 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 02:13:12,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 02:13:12,541 INFO L82 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2021-08-29 02:13:12,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 02:13:12,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714556914] [2021-08-29 02:13:12,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 02:13:12,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 02:13:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 02:13:12,604 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 02:13:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 02:13:12,673 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 02:13:12,674 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 02:13:12,675 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 02:13:12,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 02:13:12,688 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 02:13:12,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:13:12 BoogieIcfgContainer [2021-08-29 02:13:12,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 02:13:12,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 02:13:12,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 02:13:12,728 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 02:13:12,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:13:11" (3/4) ... [2021-08-29 02:13:12,731 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 02:13:12,779 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 02:13:12,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 02:13:12,780 INFO L158 Benchmark]: Toolchain (without parser) took 1443.73ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 32.8MB in the end (delta: -5.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-08-29 02:13:12,780 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 02:13:12,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.85ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.5MB in the beginning and 47.1MB in the end (delta: -19.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-08-29 02:13:12,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.47ms. Allocated memory is still 62.9MB. Free memory was 47.1MB in the beginning and 45.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 02:13:12,781 INFO L158 Benchmark]: Boogie Preprocessor took 38.49ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 02:13:12,782 INFO L158 Benchmark]: RCFGBuilder took 262.67ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 34.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 02:13:12,783 INFO L158 Benchmark]: TraceAbstraction took 794.39ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 35.7MB in the end (delta: -1.3MB). Peak memory consumption was 58.3kB. Max. memory is 16.1GB. [2021-08-29 02:13:12,784 INFO L158 Benchmark]: Witness Printer took 51.65ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 32.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 02:13:12,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.85ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.5MB in the beginning and 47.1MB in the end (delta: -19.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.47ms. Allocated memory is still 62.9MB. Free memory was 47.1MB in the beginning and 45.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.49ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.67ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 34.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 794.39ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 35.7MB in the end (delta: -1.3MB). Peak memory consumption was 58.3kB. Max. memory is 16.1GB. * Witness Printer took 51.65ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 32.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1] [L31] COND TRUE i