./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s52iff.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_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/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_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/s52iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/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_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/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 0faaa8d120428ed7604b6b4c759776b69e800fbd ......................................................................................................................................................................................................................................................................................................................................................................... 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 02:30:17,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:17,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:17,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:17,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:17,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:17,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:17,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:17,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:17,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:17,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:17,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:17,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:17,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:17,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:17,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:17,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:17,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:17,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:17,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:17,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:17,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:17,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:17,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:17,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:17,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:17,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:17,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:17,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:17,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:17,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:17,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:17,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:17,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:17,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:17,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:17,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:17,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:17,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:17,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:17,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:17,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:17,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:17,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:17,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:17,267 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:17,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:17,268 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:17,268 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:17,268 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:17,275 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:17,275 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:17,276 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:17,276 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:17,277 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:17,277 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:17,277 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:17,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:17,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:17,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:17,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:17,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:17,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:17,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:17,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:17,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:17,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:17,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:17,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:17,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:17,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:17,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:17,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:17,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:17,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:17,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:17,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:17,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:17,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:17,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:17,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:17,285 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_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0faaa8d120428ed7604b6b4c759776b69e800fbd [2021-10-11 02:30:17,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:17,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:17,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:17,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:17,620 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:17,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/array-fpi/s52iff.c [2021-10-11 02:30:17,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/data/5c098a737/110a49b837c54ab0b73f94036b590bf2/FLAG1b6db906f [2021-10-11 02:30:18,183 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:18,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/sv-benchmarks/c/array-fpi/s52iff.c [2021-10-11 02:30:18,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/data/5c098a737/110a49b837c54ab0b73f94036b590bf2/FLAG1b6db906f [2021-10-11 02:30:18,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/data/5c098a737/110a49b837c54ab0b73f94036b590bf2 [2021-10-11 02:30:18,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:18,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:18,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:18,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:18,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:18,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b120759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18, skipping insertion in model container [2021-10-11 02:30:18,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:18,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:18,698 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_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/sv-benchmarks/c/array-fpi/s52iff.c[589,602] [2021-10-11 02:30:18,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:18,736 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:18,748 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_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/sv-benchmarks/c/array-fpi/s52iff.c[589,602] [2021-10-11 02:30:18,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:18,775 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:18,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18 WrapperNode [2021-10-11 02:30:18,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:18,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:18,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:18,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:18,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:18,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:18,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:18,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:18,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:18,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:18,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:18,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:18,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/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 02:30:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:30:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:30:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:30:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:30:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:30:19,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:19,612 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-11 02:30:19,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:19 BoogieIcfgContainer [2021-10-11 02:30:19,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:19,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:19,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:19,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:19,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:18" (1/3) ... [2021-10-11 02:30:19,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7fbb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:19, skipping insertion in model container [2021-10-11 02:30:19,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (2/3) ... [2021-10-11 02:30:19,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7fbb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:19, skipping insertion in model container [2021-10-11 02:30:19,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:19" (3/3) ... [2021-10-11 02:30:19,624 INFO L111 eAbstractionObserver]: Analyzing ICFG s52iff.c [2021-10-11 02:30:19,641 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:19,645 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:30:19,656 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:30:19,693 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:19,693 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:19,694 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:19,694 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:19,694 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:19,694 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:19,694 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:19,695 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2021-10-11 02:30:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:30:19,715 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:19,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:19,716 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:19,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:19,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1699641303, now seen corresponding path program 1 times [2021-10-11 02:30:19,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:19,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502607458] [2021-10-11 02:30:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:19,967 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 02:30:19,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502607458] [2021-10-11 02:30:19,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:19,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:19,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348025459] [2021-10-11 02:30:19,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:19,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:19,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:19,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:19,993 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2021-10-11 02:30:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:20,039 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-10-11 02:30:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:20,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-10-11 02:30:20,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:20,048 INFO L225 Difference]: With dead ends: 20 [2021-10-11 02:30:20,048 INFO L226 Difference]: Without dead ends: 9 [2021-10-11 02:30:20,051 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 02:30:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-11 02:30:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-11 02:30:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-11 02:30:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-10-11 02:30:20,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-10-11 02:30:20,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:20,081 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-10-11 02:30:20,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-11 02:30:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:20,081 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:20,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:20,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:30:20,082 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:20,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:20,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1490809349, now seen corresponding path program 1 times [2021-10-11 02:30:20,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:20,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590572600] [2021-10-11 02:30:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:20,138 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 02:30:20,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590572600] [2021-10-11 02:30:20,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:20,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:20,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988029686] [2021-10-11 02:30:20,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:20,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:20,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:20,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:20,141 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 4 states. [2021-10-11 02:30:20,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:20,181 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-11 02:30:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:20,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 02:30:20,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:20,183 INFO L225 Difference]: With dead ends: 15 [2021-10-11 02:30:20,183 INFO L226 Difference]: Without dead ends: 11 [2021-10-11 02:30:20,185 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 02:30:20,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-11 02:30:20,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-11 02:30:20,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-11 02:30:20,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-10-11 02:30:20,190 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-10-11 02:30:20,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:20,191 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-11 02:30:20,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-11 02:30:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:30:20,192 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:20,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:20,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:30:20,194 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:20,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1799146020, now seen corresponding path program 1 times [2021-10-11 02:30:20,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:20,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869440617] [2021-10-11 02:30:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:20,222 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:30:20,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [334903559] [2021-10-11 02:30:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/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 02:30:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:20,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:20,365 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:20,432 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:30:20,432 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:20,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-11 02:30:20,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:20 BoogieIcfgContainer [2021-10-11 02:30:20,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:20,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:20,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:20,664 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:20,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:19" (3/4) ... [2021-10-11 02:30:20,667 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:20,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf6e365-63dc-41e1-a9e1-cf6942f4fa8a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:20,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:20,716 INFO L168 Benchmark]: Toolchain (without parser) took 2178.72 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 79.1 MB in the beginning and 93.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,717 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory was 78.7 MB in the beginning and 78.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:20,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.80 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 68.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 107.0 MB. Free memory was 68.6 MB in the beginning and 67.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:20,719 INFO L168 Benchmark]: Boogie Preprocessor took 27.50 ms. Allocated memory is still 107.0 MB. Free memory was 67.0 MB in the beginning and 65.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,719 INFO L168 Benchmark]: RCFGBuilder took 773.53 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 65.7 MB in the beginning and 99.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,720 INFO L168 Benchmark]: TraceAbstraction took 1046.75 ms. Allocated memory is still 136.3 MB. Free memory was 98.9 MB in the beginning and 96.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,721 INFO L168 Benchmark]: Witness Printer took 50.28 ms. Allocated memory is still 136.3 MB. Free memory was 95.3 MB in the beginning and 93.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory was 78.7 MB in the beginning and 78.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.80 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 68.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 107.0 MB. Free memory was 68.6 MB in the beginning and 67.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.50 ms. Allocated memory is still 107.0 MB. Free memory was 67.0 MB in the beginning and 65.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 773.53 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 65.7 MB in the beginning and 99.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1046.75 ms. Allocated memory is still 136.3 MB. Free memory was 98.9 MB in the beginning and 96.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 16.1 GB. * Witness Printer took 50.28 ms. Allocated memory is still 136.3 MB. Free memory was 95.3 MB in the beginning and 93.3 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