./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/indp5f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/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 261a32248e9ac2597caf1e85d7c8698e07c6c32d .................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 12:29:45,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:29:45,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:29:45,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:29:45,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:29:45,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:29:45,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:29:45,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:29:45,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:29:45,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:29:45,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:29:45,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:29:45,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:29:45,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:29:45,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:29:45,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:29:45,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:29:45,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:29:45,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:29:45,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:29:45,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:29:45,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:29:45,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:29:45,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:29:45,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:29:45,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:29:45,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:29:45,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:29:45,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:29:45,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:29:45,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:29:45,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:29:45,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:29:45,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:29:45,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:29:45,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:29:45,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:29:45,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:29:45,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:29:45,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:29:45,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:29:45,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:29:45,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:29:45,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:29:45,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:29:45,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:29:45,958 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:29:45,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:29:45,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:29:45,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:29:45,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:29:45,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:29:45,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:29:45,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:29:45,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:29:45,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:29:45,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:29:45,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:29:45,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:29:45,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:29:45,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:29:45,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:29:45,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:29:45,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:29:45,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:29:45,961 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_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/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 -> 261a32248e9ac2597caf1e85d7c8698e07c6c32d [2019-12-07 12:29:46,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:29:46,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:29:46,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:29:46,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:29:46,076 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:29:46,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/../../sv-benchmarks/c/array-fpi/indp5f.c [2019-12-07 12:29:46,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/data/0cf811b62/e7ff2a49e55747fea8c799d1cd4f46ad/FLAG459145869 [2019-12-07 12:29:46,539 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:29:46,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/sv-benchmarks/c/array-fpi/indp5f.c [2019-12-07 12:29:46,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/data/0cf811b62/e7ff2a49e55747fea8c799d1cd4f46ad/FLAG459145869 [2019-12-07 12:29:46,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/data/0cf811b62/e7ff2a49e55747fea8c799d1cd4f46ad [2019-12-07 12:29:46,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:29:46,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:29:46,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:46,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:29:46,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:29:46,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b32c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46, skipping insertion in model container [2019-12-07 12:29:46,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:29:46,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:29:46,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:46,720 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:29:46,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:46,743 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:29:46,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46 WrapperNode [2019-12-07 12:29:46,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:46,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:29:46,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:29:46,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:29:46,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:29:46,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:29:46,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:29:46,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:29:46,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... [2019-12-07 12:29:46,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:29:46,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:29:46,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:29:46,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:29:46,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/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 [2019-12-07 12:29:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:29:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:29:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:29:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:29:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:29:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:29:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:29:46,991 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:29:46,991 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-07 12:29:46,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:46 BoogieIcfgContainer [2019-12-07 12:29:46,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:29:46,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:29:46,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:29:46,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:29:46,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:29:46" (1/3) ... [2019-12-07 12:29:46,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da4a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:46, skipping insertion in model container [2019-12-07 12:29:46,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:46" (2/3) ... [2019-12-07 12:29:46,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da4a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:46, skipping insertion in model container [2019-12-07 12:29:46,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:46" (3/3) ... [2019-12-07 12:29:46,996 INFO L109 eAbstractionObserver]: Analyzing ICFG indp5f.c [2019-12-07 12:29:47,002 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:29:47,007 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:29:47,014 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:29:47,031 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:29:47,031 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:29:47,031 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:29:47,031 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:29:47,032 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:29:47,032 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:29:47,032 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:29:47,032 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:29:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-12-07 12:29:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:29:47,045 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:47,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:47,046 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:47,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:47,050 INFO L82 PathProgramCache]: Analyzing trace with hash -616844446, now seen corresponding path program 1 times [2019-12-07 12:29:47,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:47,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215196965] [2019-12-07 12:29:47,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:29:47,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215196965] [2019-12-07 12:29:47,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:47,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:29:47,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054245356] [2019-12-07 12:29:47,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:29:47,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:47,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:29:47,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:29:47,157 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-12-07 12:29:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:47,169 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2019-12-07 12:29:47,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:29:47,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 12:29:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:47,176 INFO L225 Difference]: With dead ends: 45 [2019-12-07 12:29:47,176 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 12:29:47,178 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 [2019-12-07 12:29:47,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 12:29:47,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 12:29:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 12:29:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-12-07 12:29:47,199 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 15 [2019-12-07 12:29:47,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:47,199 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-12-07 12:29:47,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:29:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-12-07 12:29:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:29:47,200 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:47,200 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:47,200 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:47,200 INFO L82 PathProgramCache]: Analyzing trace with hash -212259730, now seen corresponding path program 1 times [2019-12-07 12:29:47,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:47,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193269195] [2019-12-07 12:29:47,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:29:47,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193269195] [2019-12-07 12:29:47,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:47,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:29:47,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537290099] [2019-12-07 12:29:47,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:29:47,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:47,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:29:47,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:47,248 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-12-07 12:29:47,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:47,287 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-12-07 12:29:47,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:29:47,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-12-07 12:29:47,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:47,288 INFO L225 Difference]: With dead ends: 39 [2019-12-07 12:29:47,288 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 12:29:47,289 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 [2019-12-07 12:29:47,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 12:29:47,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-12-07 12:29:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 12:29:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-12-07 12:29:47,292 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2019-12-07 12:29:47,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:47,292 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 12:29:47,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:29:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-12-07 12:29:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 12:29:47,293 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:47,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:47,293 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:47,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:47,293 INFO L82 PathProgramCache]: Analyzing trace with hash -673295792, now seen corresponding path program 1 times [2019-12-07 12:29:47,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:47,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494415353] [2019-12-07 12:29:47,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:47,303 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 12:29:47,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956009403] [2019-12-07 12:29:47,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/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 [2019-12-07 12:29:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:47,339 INFO L264 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:29:47,343 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 12:29:47,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494415353] [2019-12-07 12:29:47,363 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 12:29:47,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956009403] [2019-12-07 12:29:47,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:47,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:29:47,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105143878] [2019-12-07 12:29:47,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:29:47,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:47,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:29:47,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:29:47,364 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-12-07 12:29:47,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:47,414 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2019-12-07 12:29:47,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:29:47,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 12:29:47,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:47,415 INFO L225 Difference]: With dead ends: 44 [2019-12-07 12:29:47,415 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 12:29:47,416 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:29:47,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 12:29:47,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-12-07 12:29:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 12:29:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-12-07 12:29:47,420 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 17 [2019-12-07 12:29:47,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:47,421 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-12-07 12:29:47,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:29:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-12-07 12:29:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:29:47,422 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:47,422 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, 1, 1, 1] [2019-12-07 12:29:47,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:29:47,623 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:47,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:47,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1943746392, now seen corresponding path program 1 times [2019-12-07 12:29:47,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:47,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037686377] [2019-12-07 12:29:47,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:47,646 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 12:29:47,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167728403] [2019-12-07 12:29:47,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:29:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:29:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:29:47,762 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:29:47,762 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:29:47,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:29:48,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:29:48 BoogieIcfgContainer [2019-12-07 12:29:48,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:29:48,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:29:48,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:29:48,025 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:29:48,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:46" (3/4) ... [2019-12-07 12:29:48,027 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 12:29:48,063 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c1187bfb-2f65-46d3-a6f0-ecab1ac84d4e/bin/uautomizer/witness.graphml [2019-12-07 12:29:48,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:29:48,064 INFO L168 Benchmark]: Toolchain (without parser) took 1508.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 940.9 MB in the beginning and 991.1 MB in the end (delta: -50.2 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:48,064 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:29:48,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:48,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.55 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. [2019-12-07 12:29:48,065 INFO L168 Benchmark]: Boogie Preprocessor took 17.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:48,066 INFO L168 Benchmark]: RCFGBuilder took 205.06 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:48,066 INFO L168 Benchmark]: TraceAbstraction took 1032.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:48,066 INFO L168 Benchmark]: Witness Printer took 37.69 ms. Allocated memory is still 1.1 GB. Free memory was 996.4 MB in the beginning and 991.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:48,068 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.55 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 17.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 205.06 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1032.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.69 ms. Allocated memory is still 1.1 GB. Free memory was 996.4 MB in the beginning and 991.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. 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 *a = malloc(sizeof(long long)*N); [L24] long long sum[1]; [L26] sum[0] = 1 [L27] i=0 VAL [N=1] [L27] COND TRUE i