./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/modsf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/modsf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/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 dfa35dbeaf9ec268436e425d7397d5a090cc0d47 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:50:53,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:53,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:53,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:53,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:53,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:53,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:53,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:53,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:53,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:53,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:53,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:53,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:53,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:53,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:53,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:53,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:53,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:53,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:53,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:53,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:53,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:54,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:54,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:54,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:54,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:54,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:54,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:54,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:54,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:54,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:54,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:54,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:54,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:54,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:54,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:54,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:54,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:54,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:54,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:54,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:54,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:50:54,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:54,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:54,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:54,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:54,029 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:54,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:54,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:54,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:54,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:54,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:54,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:54,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:54,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:54,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:54,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:54,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:54,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:54,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:54,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:54,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:54,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:54,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:54,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:54,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:54,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:54,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:54,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:50:54,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:54,035 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_cdddbf37-807e-404f-ac42-e7d6d2267030/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 -> dfa35dbeaf9ec268436e425d7397d5a090cc0d47 [2019-11-25 08:50:54,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:54,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:54,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:54,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:54,183 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:54,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/../../sv-benchmarks/c/array-fpi/modsf.c [2019-11-25 08:50:54,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/data/e724de1c4/636054e4dfc1469181ed5d534dbd211d/FLAG4d8eaacb3 [2019-11-25 08:50:54,634 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:54,635 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/sv-benchmarks/c/array-fpi/modsf.c [2019-11-25 08:50:54,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/data/e724de1c4/636054e4dfc1469181ed5d534dbd211d/FLAG4d8eaacb3 [2019-11-25 08:50:54,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/data/e724de1c4/636054e4dfc1469181ed5d534dbd211d [2019-11-25 08:50:54,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:54,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:54,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:54,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:54,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:54,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:54,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e4722c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54, skipping insertion in model container [2019-11-25 08:50:54,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:54,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:54,695 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:54,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:54,928 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:54,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:54,961 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:54,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54 WrapperNode [2019-11-25 08:50:54,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:54,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:54,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:54,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:54,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:54,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:54,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:54,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:54,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:54,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:55,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... [2019-11-25 08:50:55,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:55,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:55,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:55,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:55,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/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 [2019-11-25 08:50:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:50:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:50:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:50:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:55,449 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:55,450 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-25 08:50:55,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:55 BoogieIcfgContainer [2019-11-25 08:50:55,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:55,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:55,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:55,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:55,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:54" (1/3) ... [2019-11-25 08:50:55,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf9e2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:55, skipping insertion in model container [2019-11-25 08:50:55,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:54" (2/3) ... [2019-11-25 08:50:55,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf9e2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:55, skipping insertion in model container [2019-11-25 08:50:55,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:55" (3/3) ... [2019-11-25 08:50:55,457 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2019-11-25 08:50:55,464 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:55,469 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:50:55,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:50:55,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:55,495 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:55,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:55,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:55,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:55,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:55,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:55,496 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-25 08:50:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:50:55,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:55,516 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:55,516 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:55,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:55,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1543917039, now seen corresponding path program 1 times [2019-11-25 08:50:55,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:55,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251449615] [2019-11-25 08:50:55,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:55,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251449615] [2019-11-25 08:50:55,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:55,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:55,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279934457] [2019-11-25 08:50:55,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:50:55,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:50:55,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:55,652 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-11-25 08:50:55,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:55,666 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2019-11-25 08:50:55,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:55,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-11-25 08:50:55,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:55,673 INFO L225 Difference]: With dead ends: 45 [2019-11-25 08:50:55,673 INFO L226 Difference]: Without dead ends: 21 [2019-11-25 08:50:55,675 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 [2019-11-25 08:50:55,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-25 08:50:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-25 08:50:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-25 08:50:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-25 08:50:55,706 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2019-11-25 08:50:55,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:55,706 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-25 08:50:55,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:50:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-25 08:50:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:50:55,707 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:55,707 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:55,708 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:55,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1392318587, now seen corresponding path program 1 times [2019-11-25 08:50:55,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:55,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047924162] [2019-11-25 08:50:55,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:55,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047924162] [2019-11-25 08:50:55,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:55,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:55,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910023293] [2019-11-25 08:50:55,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:50:55,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:55,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:55,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:50:55,779 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-11-25 08:50:55,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:55,840 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-25 08:50:55,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:50:55,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-25 08:50:55,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:55,841 INFO L225 Difference]: With dead ends: 39 [2019-11-25 08:50:55,841 INFO L226 Difference]: Without dead ends: 23 [2019-11-25 08:50:55,842 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 [2019-11-25 08:50:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-25 08:50:55,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-25 08:50:55,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:50:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-25 08:50:55,847 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2019-11-25 08:50:55,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:55,847 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-25 08:50:55,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:50:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-25 08:50:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:50:55,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:55,848 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:55,849 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:55,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:55,849 INFO L82 PathProgramCache]: Analyzing trace with hash -298812061, now seen corresponding path program 1 times [2019-11-25 08:50:55,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:55,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586920611] [2019-11-25 08:50:55,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:50:55,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586920611] [2019-11-25 08:50:55,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:55,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:55,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475113035] [2019-11-25 08:50:55,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:55,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:55,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:55,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:55,914 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-25 08:50:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:56,016 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-11-25 08:50:56,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:56,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-11-25 08:50:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:56,019 INFO L225 Difference]: With dead ends: 48 [2019-11-25 08:50:56,019 INFO L226 Difference]: Without dead ends: 35 [2019-11-25 08:50:56,020 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 [2019-11-25 08:50:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-25 08:50:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2019-11-25 08:50:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:50:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-11-25 08:50:56,025 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2019-11-25 08:50:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:56,026 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-11-25 08:50:56,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-11-25 08:50:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 08:50:56,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:56,027 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:56,027 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:56,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:56,030 INFO L82 PathProgramCache]: Analyzing trace with hash -312639363, now seen corresponding path program 1 times [2019-11-25 08:50:56,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:56,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541697575] [2019-11-25 08:50:56,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:56,062 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:50:56,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361677271] [2019-11-25 08:50:56,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/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 [2019-11-25 08:50:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:56,219 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:56,220 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:50:56,424 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:50:56,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:56 BoogieIcfgContainer [2019-11-25 08:50:56,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:56,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:56,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:56,452 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:56,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:55" (3/4) ... [2019-11-25 08:50:56,455 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:50:56,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cdddbf37-807e-404f-ac42-e7d6d2267030/bin/uautomizer/witness.graphml [2019-11-25 08:50:56,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:56,508 INFO L168 Benchmark]: Toolchain (without parser) took 1847.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -91.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:56,508 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:56,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:56,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:56,510 INFO L168 Benchmark]: Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:56,511 INFO L168 Benchmark]: RCFGBuilder took 424.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:56,511 INFO L168 Benchmark]: TraceAbstraction took 1000.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:56,511 INFO L168 Benchmark]: Witness Printer took 53.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:56,514 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 424.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1000.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. * Witness Printer took 53.88 ms. Allocated memory is still 1.2 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] = 0 [L27] i=0 VAL [N=1] [L27] COND TRUE i