./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sina2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb638bf27c8a2a5db8aa9072fa7cfee53c323708 ................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 10:53:00,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:53:00,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:53:00,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:53:00,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:53:00,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:53:00,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:53:00,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:53:00,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:53:00,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:53:00,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:53:00,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:53:00,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:53:00,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:53:00,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:53:00,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:53:00,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:53:00,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:53:00,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:53:00,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:53:00,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:53:00,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:53:00,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:53:00,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:53:00,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:53:00,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:53:00,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:53:00,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:53:00,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:53:00,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:53:00,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:53:00,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:53:00,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:53:00,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:53:00,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:53:00,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:53:00,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:53:00,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:53:00,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:53:00,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:53:00,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:53:00,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:53:00,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:53:00,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:53:00,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:53:00,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:53:00,553 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:53:00,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:53:00,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:53:00,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:53:00,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:53:00,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:53:00,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:53:00,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:53:00,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:53:00,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:53:00,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:53:00,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:53:00,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:53:00,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:53:00,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:53:00,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:53:00,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:53:00,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:53:00,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer 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(__VERIFIER_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 -> cb638bf27c8a2a5db8aa9072fa7cfee53c323708 [2019-11-20 10:53:00,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:53:00,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:53:00,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:53:00,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:53:00,742 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:53:00,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/../../sv-benchmarks/c/array-fpi/sina2f.c [2019-11-20 10:53:00,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/data/caa7995a9/a7fa1266b4904696958633204bd08672/FLAG01e86e358 [2019-11-20 10:53:01,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:53:01,184 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/sv-benchmarks/c/array-fpi/sina2f.c [2019-11-20 10:53:01,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/data/caa7995a9/a7fa1266b4904696958633204bd08672/FLAG01e86e358 [2019-11-20 10:53:01,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/data/caa7995a9/a7fa1266b4904696958633204bd08672 [2019-11-20 10:53:01,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:53:01,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:53:01,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:53:01,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:53:01,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:53:01,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da7bad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01, skipping insertion in model container [2019-11-20 10:53:01,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,603 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:53:01,618 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:53:01,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:53:01,854 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:53:01,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:53:01,886 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:53:01,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01 WrapperNode [2019-11-20 10:53:01,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:53:01,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:53:01,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:53:01,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:53:01,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:53:01,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:53:01,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:53:01,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:53:01,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... [2019-11-20 10:53:01,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:53:01,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:53:01,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:53:01,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:53:01,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/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 [2019-11-20 10:53:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:53:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:53:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:53:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:53:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:53:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:53:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:53:02,279 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:53:02,280 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 10:53:02,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:02 BoogieIcfgContainer [2019-11-20 10:53:02,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:53:02,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:53:02,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:53:02,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:53:02,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:53:01" (1/3) ... [2019-11-20 10:53:02,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6309cd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:53:02, skipping insertion in model container [2019-11-20 10:53:02,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:01" (2/3) ... [2019-11-20 10:53:02,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6309cd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:53:02, skipping insertion in model container [2019-11-20 10:53:02,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:02" (3/3) ... [2019-11-20 10:53:02,288 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2019-11-20 10:53:02,299 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:53:02,305 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:53:02,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:53:02,331 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:53:02,331 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:53:02,331 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:53:02,331 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:53:02,331 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:53:02,331 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:53:02,331 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:53:02,331 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:53:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-20 10:53:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:53:02,348 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:53:02,348 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:53:02,348 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:53:02,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:53:02,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1553700779, now seen corresponding path program 1 times [2019-11-20 10:53:02,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:53:02,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937250348] [2019-11-20 10:53:02,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:53:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:02,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937250348] [2019-11-20 10:53:02,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:53:02,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:53:02,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911555295] [2019-11-20 10:53:02,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:53:02,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:53:02,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:53:02,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:53:02,482 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-20 10:53:02,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:53:02,497 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-20 10:53:02,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:53:02,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 10:53:02,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:53:02,507 INFO L225 Difference]: With dead ends: 39 [2019-11-20 10:53:02,507 INFO L226 Difference]: Without dead ends: 18 [2019-11-20 10:53:02,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:53:02,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-20 10:53:02,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 10:53:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 10:53:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-20 10:53:02,537 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2019-11-20 10:53:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:53:02,537 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-20 10:53:02,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:53:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-20 10:53:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:53:02,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:53:02,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:53:02,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:53:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:53:02,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1516529121, now seen corresponding path program 1 times [2019-11-20 10:53:02,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:53:02,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269842286] [2019-11-20 10:53:02,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:53:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:02,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269842286] [2019-11-20 10:53:02,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:53:02,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:53:02,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348989520] [2019-11-20 10:53:02,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:53:02,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:53:02,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:53:02,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:53:02,608 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 3 states. [2019-11-20 10:53:02,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:53:02,670 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-11-20 10:53:02,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:53:02,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-20 10:53:02,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:53:02,672 INFO L225 Difference]: With dead ends: 33 [2019-11-20 10:53:02,672 INFO L226 Difference]: Without dead ends: 20 [2019-11-20 10:53:02,673 INFO L630 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 [2019-11-20 10:53:02,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-20 10:53:02,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-20 10:53:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 10:53:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-20 10:53:02,677 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2019-11-20 10:53:02,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:53:02,678 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-20 10:53:02,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:53:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-20 10:53:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:53:02,678 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:53:02,679 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:53:02,679 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:53:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:53:02,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1045499773, now seen corresponding path program 1 times [2019-11-20 10:53:02,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:53:02,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343771633] [2019-11-20 10:53:02,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:53:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:53:02,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343771633] [2019-11-20 10:53:02,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:53:02,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:53:02,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983560611] [2019-11-20 10:53:02,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:53:02,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:53:02,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:53:02,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:53:02,759 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-20 10:53:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:53:02,816 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2019-11-20 10:53:02,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:53:02,816 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-20 10:53:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:53:02,817 INFO L225 Difference]: With dead ends: 40 [2019-11-20 10:53:02,817 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 10:53:02,818 INFO L630 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 [2019-11-20 10:53:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 10:53:02,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-11-20 10:53:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:53:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2019-11-20 10:53:02,822 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 14 [2019-11-20 10:53:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:53:02,823 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2019-11-20 10:53:02,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:53:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2019-11-20 10:53:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:53:02,824 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:53:02,824 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:53:02,824 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:53:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:53:02,825 INFO L82 PathProgramCache]: Analyzing trace with hash 392653561, now seen corresponding path program 1 times [2019-11-20 10:53:02,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:53:02,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297389684] [2019-11-20 10:53:02,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:53:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:53:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:53:02,926 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:53:02,931 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:53:02,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:53:02 BoogieIcfgContainer [2019-11-20 10:53:02,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:53:02,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:53:02,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:53:02,961 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:53:02,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:02" (3/4) ... [2019-11-20 10:53:02,963 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:53:03,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ed3d936-48fd-47bd-b1a4-cdfa5c4e14e0/bin/uautomizer/witness.graphml [2019-11-20 10:53:03,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:53:03,010 INFO L168 Benchmark]: Toolchain (without parser) took 1419.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.2 MB in the beginning and 1.0 GB in the end (delta: -65.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:53:03,010 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:53:03,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:53:03,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:53:03,011 INFO L168 Benchmark]: Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:53:03,012 INFO L168 Benchmark]: RCFGBuilder took 330.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:53:03,012 INFO L168 Benchmark]: TraceAbstraction took 678.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:53:03,012 INFO L168 Benchmark]: Witness Printer took 47.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:53:03,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 678.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] long long *a = malloc(sizeof(long long)*N); [L26] sum[0] = 1 [L27] i=0 VAL [N=1] [L27] COND TRUE i