./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s32iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/s32iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7762dd94861286cddfea5d4ba6d0215ac8258ba ......................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2021-10-11 02:30:38,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:38,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:38,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:38,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:38,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:38,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:38,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:38,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:38,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:38,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:38,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:38,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:38,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:38,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:38,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:38,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:38,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:38,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:38,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:38,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:38,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:38,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:38,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:38,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:38,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:38,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:38,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:38,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:38,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:38,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:38,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:38,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:38,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:38,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:38,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:38,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:38,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:38,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:38,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:38,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:38,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:38,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:38,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:38,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:38,496 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:38,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:38,497 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:38,498 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:38,498 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:38,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:38,520 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:38,521 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:38,522 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:38,522 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:38,522 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:38,523 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:38,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:38,524 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:38,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:38,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:38,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:38,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:38,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:38,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:38,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:38,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:38,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:38,528 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:38,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:38,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:38,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:38,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:38,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:38,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:38,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:38,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:38,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:38,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:38,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:38,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:38,535 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7762dd94861286cddfea5d4ba6d0215ac8258ba [2021-10-11 02:30:38,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:38,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:38,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:38,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:38,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:38,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/array-fpi/s32iff.c [2021-10-11 02:30:39,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/data/fc4bd4e7d/ceae003252aa4407b6649ee20e48d8cf/FLAGb305e39ff [2021-10-11 02:30:39,648 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:39,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/sv-benchmarks/c/array-fpi/s32iff.c [2021-10-11 02:30:39,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/data/fc4bd4e7d/ceae003252aa4407b6649ee20e48d8cf/FLAGb305e39ff [2021-10-11 02:30:39,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/data/fc4bd4e7d/ceae003252aa4407b6649ee20e48d8cf [2021-10-11 02:30:39,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:39,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:39,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:39,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:39,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:39,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:39" (1/1) ... [2021-10-11 02:30:39,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33282dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:39, skipping insertion in model container [2021-10-11 02:30:39,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:39" (1/1) ... [2021-10-11 02:30:39,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:40,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:40,251 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/sv-benchmarks/c/array-fpi/s32iff.c[589,602] [2021-10-11 02:30:40,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:40,302 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:40,319 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/sv-benchmarks/c/array-fpi/s32iff.c[589,602] [2021-10-11 02:30:40,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:40,356 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:40,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40 WrapperNode [2021-10-11 02:30:40,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:40,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:40,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:40,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:40,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:40,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:40,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:40,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:40,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... [2021-10-11 02:30:40,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:40,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:40,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:40,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:40,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:30:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:30:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:30:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:30:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:30:41,220 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:41,220 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-11 02:30:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:41 BoogieIcfgContainer [2021-10-11 02:30:41,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:41,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:41,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:41,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:41,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:39" (1/3) ... [2021-10-11 02:30:41,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431086b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:41, skipping insertion in model container [2021-10-11 02:30:41,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:40" (2/3) ... [2021-10-11 02:30:41,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431086b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:41, skipping insertion in model container [2021-10-11 02:30:41,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:41" (3/3) ... [2021-10-11 02:30:41,245 INFO L111 eAbstractionObserver]: Analyzing ICFG s32iff.c [2021-10-11 02:30:41,259 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:41,263 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:30:41,275 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:30:41,331 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:41,331 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:41,331 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:41,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:41,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:41,332 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:41,332 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:41,332 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:41,346 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2021-10-11 02:30:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:30:41,360 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:41,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:41,361 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:41,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1699641303, now seen corresponding path program 1 times [2021-10-11 02:30:41,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:41,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131785042] [2021-10-11 02:30:41,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:41,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131785042] [2021-10-11 02:30:41,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:41,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:41,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49496115] [2021-10-11 02:30:41,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:41,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:41,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:41,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:41,604 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2021-10-11 02:30:41,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:41,651 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-10-11 02:30:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:41,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-10-11 02:30:41,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:41,663 INFO L225 Difference]: With dead ends: 20 [2021-10-11 02:30:41,663 INFO L226 Difference]: Without dead ends: 9 [2021-10-11 02:30:41,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-11 02:30:41,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-11 02:30:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-11 02:30:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-10-11 02:30:41,704 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-10-11 02:30:41,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:41,704 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-10-11 02:30:41,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-11 02:30:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:41,706 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:41,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:41,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:30:41,707 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:41,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:41,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1490809349, now seen corresponding path program 1 times [2021-10-11 02:30:41,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:41,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824927105] [2021-10-11 02:30:41,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:30:41,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824927105] [2021-10-11 02:30:41,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:41,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:41,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860612268] [2021-10-11 02:30:41,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:41,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:41,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:41,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:41,804 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 4 states. [2021-10-11 02:30:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:41,845 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-11 02:30:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:41,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 02:30:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:41,848 INFO L225 Difference]: With dead ends: 15 [2021-10-11 02:30:41,848 INFO L226 Difference]: Without dead ends: 11 [2021-10-11 02:30:41,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:41,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-11 02:30:41,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-11 02:30:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-11 02:30:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-10-11 02:30:41,854 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-10-11 02:30:41,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:41,855 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-11 02:30:41,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-11 02:30:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:30:41,856 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:41,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:41,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:30:41,857 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1799146020, now seen corresponding path program 1 times [2021-10-11 02:30:41,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:41,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326288434] [2021-10-11 02:30:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:41,887 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:30:41,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159517027] [2021-10-11 02:30:41,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:42,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:42,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:42,175 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:30:42,179 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:42,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-11 02:30:42,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:42 BoogieIcfgContainer [2021-10-11 02:30:42,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:42,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:42,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:42,434 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:42,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:41" (3/4) ... [2021-10-11 02:30:42,437 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:42,501 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f712fea-dd84-4fd4-a5aa-43e532fa1c6f/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:42,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:42,504 INFO L168 Benchmark]: Toolchain (without parser) took 2545.40 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 70.8 MB in the beginning and 65.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,505 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 66.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:42,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.74 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 67.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.88 ms. Allocated memory is still 92.3 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,508 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 64.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,509 INFO L168 Benchmark]: RCFGBuilder took 785.04 ms. Allocated memory is still 92.3 MB. Free memory was 64.5 MB in the beginning and 36.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,510 INFO L168 Benchmark]: TraceAbstraction took 1207.87 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 35.8 MB in the beginning and 67.4 MB in the end (delta: -31.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,511 INFO L168 Benchmark]: Witness Printer took 67.90 ms. Allocated memory is still 132.1 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:42,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 66.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.74 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 67.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.88 ms. Allocated memory is still 92.3 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.15 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 64.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 785.04 ms. Allocated memory is still 92.3 MB. Free memory was 64.5 MB in the beginning and 36.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1207.87 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 35.8 MB in the beginning and 67.4 MB in the end (delta: -31.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Witness Printer took 67.90 ms. Allocated memory is still 132.1 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=1] [L32] COND TRUE i