./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/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 64cf37aa63047e3fef81006f69e9718542642f9f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-11-16 00:03:18,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:03:18,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:03:18,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:03:18,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:03:18,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:03:18,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:03:18,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:03:18,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:03:18,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:03:18,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:03:18,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:03:18,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:03:18,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:03:18,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:03:18,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:03:18,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:03:18,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:03:18,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:03:18,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:03:18,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:03:18,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:03:18,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:03:18,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:03:18,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:03:18,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:03:18,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:03:18,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:03:18,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:03:18,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:03:18,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:03:18,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:03:18,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:03:18,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:03:18,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:03:18,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:03:18,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:03:18,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:03:18,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:03:18,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:03:18,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:03:18,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:03:18,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:03:18,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:03:18,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:03:18,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:03:18,447 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:03:18,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:03:18,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:03:18,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:03:18,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:03:18,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:03:18,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:03:18,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:03:18,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:03:18,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:03:18,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:03:18,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:03:18,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:03:18,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:03:18,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:03:18,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:03:18,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:03:18,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:03:18,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:03:18,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:03:18,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:03:18,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:03:18,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:03:18,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:03:18,452 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_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/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 -> 64cf37aa63047e3fef81006f69e9718542642f9f [2019-11-16 00:03:18,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:03:18,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:03:18,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:03:18,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:03:18,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:03:18,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/../../sv-benchmarks/c/array-fpi/ss2f.c [2019-11-16 00:03:18,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/data/68555ebdb/7d9f5c36057b4c0db927d7d1461208b7/FLAGc7ea26683 [2019-11-16 00:03:18,991 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:03:18,992 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/sv-benchmarks/c/array-fpi/ss2f.c [2019-11-16 00:03:19,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/data/68555ebdb/7d9f5c36057b4c0db927d7d1461208b7/FLAGc7ea26683 [2019-11-16 00:03:19,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/data/68555ebdb/7d9f5c36057b4c0db927d7d1461208b7 [2019-11-16 00:03:19,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:03:19,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:03:19,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:03:19,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:03:19,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:03:19,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ff2024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19, skipping insertion in model container [2019-11-16 00:03:19,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:03:19,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:03:19,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:03:19,726 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:03:19,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:03:19,769 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:03:19,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19 WrapperNode [2019-11-16 00:03:19,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:03:19,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:03:19,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:03:19,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:03:19,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:03:19,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:03:19,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:03:19,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:03:19,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... [2019-11-16 00:03:19,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:03:19,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:03:19,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:03:19,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:03:19,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/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 [2019-11-16 00:03:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:03:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:03:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:03:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:03:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:03:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:03:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:03:20,340 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:03:20,340 INFO L284 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-16 00:03:20,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:20 BoogieIcfgContainer [2019-11-16 00:03:20,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:03:20,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:03:20,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:03:20,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:03:20,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:03:19" (1/3) ... [2019-11-16 00:03:20,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667e49e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:20, skipping insertion in model container [2019-11-16 00:03:20,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:19" (2/3) ... [2019-11-16 00:03:20,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667e49e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:20, skipping insertion in model container [2019-11-16 00:03:20,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:20" (3/3) ... [2019-11-16 00:03:20,369 INFO L109 eAbstractionObserver]: Analyzing ICFG ss2f.c [2019-11-16 00:03:20,383 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:03:20,391 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:03:20,403 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:03:20,430 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:03:20,430 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:03:20,431 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:03:20,431 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:03:20,431 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:03:20,431 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:03:20,432 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:03:20,432 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:03:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-11-16 00:03:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-16 00:03:20,455 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:20,456 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:20,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:20,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:20,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1755305885, now seen corresponding path program 1 times [2019-11-16 00:03:20,474 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:20,475 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49641855] [2019-11-16 00:03:20,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:20,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:20,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:20,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49641855] [2019-11-16 00:03:20,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:20,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:03:20,625 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100667763] [2019-11-16 00:03:20,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:03:20,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:20,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:03:20,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:03:20,646 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-11-16 00:03:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:20,664 INFO L93 Difference]: Finished difference Result 57 states and 84 transitions. [2019-11-16 00:03:20,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:03:20,665 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-16 00:03:20,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:20,675 INFO L225 Difference]: With dead ends: 57 [2019-11-16 00:03:20,675 INFO L226 Difference]: Without dead ends: 27 [2019-11-16 00:03:20,678 INFO L600 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 [2019-11-16 00:03:20,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-16 00:03:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-16 00:03:20,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-16 00:03:20,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-11-16 00:03:20,708 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 18 [2019-11-16 00:03:20,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:20,709 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-16 00:03:20,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:03:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2019-11-16 00:03:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-16 00:03:20,710 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:20,710 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:20,711 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:20,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:20,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1234619631, now seen corresponding path program 1 times [2019-11-16 00:03:20,712 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:20,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638317582] [2019-11-16 00:03:20,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:20,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:20,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:20,732 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-16 00:03:20,733 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469899132] [2019-11-16 00:03:20,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/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 [2019-11-16 00:03:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:20,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-16 00:03:20,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:03:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:20,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638317582] [2019-11-16 00:03:20,858 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-16 00:03:20,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469899132] [2019-11-16 00:03:20,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:20,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:03:20,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273762898] [2019-11-16 00:03:20,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:03:20,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:20,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:03:20,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:03:20,862 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 3 states. [2019-11-16 00:03:20,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:20,973 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-16 00:03:20,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:03:20,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-16 00:03:20,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:20,975 INFO L225 Difference]: With dead ends: 51 [2019-11-16 00:03:20,975 INFO L226 Difference]: Without dead ends: 29 [2019-11-16 00:03:20,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:03:20,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-16 00:03:20,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-11-16 00:03:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-16 00:03:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2019-11-16 00:03:20,984 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 18 [2019-11-16 00:03:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:20,986 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-11-16 00:03:20,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:03:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-11-16 00:03:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-16 00:03:20,988 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:20,989 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:21,194 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:03:21,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash -654530065, now seen corresponding path program 1 times [2019-11-16 00:03:21,195 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:21,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866177481] [2019-11-16 00:03:21,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:21,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:21,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:21,227 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-16 00:03:21,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434737600] [2019-11-16 00:03:21,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/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 [2019-11-16 00:03:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:21,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-16 00:03:21,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:03:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:03:21,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866177481] [2019-11-16 00:03:21,329 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-16 00:03:21,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434737600] [2019-11-16 00:03:21,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:21,330 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:03:21,330 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246197582] [2019-11-16 00:03:21,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:03:21,331 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:21,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:03:21,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:03:21,331 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 4 states. [2019-11-16 00:03:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:21,468 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2019-11-16 00:03:21,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:03:21,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-16 00:03:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:21,470 INFO L225 Difference]: With dead ends: 64 [2019-11-16 00:03:21,471 INFO L226 Difference]: Without dead ends: 45 [2019-11-16 00:03:21,471 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:03:21,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-16 00:03:21,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 33. [2019-11-16 00:03:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-16 00:03:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2019-11-16 00:03:21,487 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 20 [2019-11-16 00:03:21,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:21,487 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-11-16 00:03:21,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:03:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-11-16 00:03:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-16 00:03:21,490 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:21,490 INFO L380 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, 1, 1, 1, 1, 1] [2019-11-16 00:03:21,694 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:03:21,694 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1132298245, now seen corresponding path program 1 times [2019-11-16 00:03:21,695 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:21,695 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600357601] [2019-11-16 00:03:21,696 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:21,696 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:21,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:21,718 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-16 00:03:21,719 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118646398] [2019-11-16 00:03:21,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:03:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:03:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:03:21,875 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:03:21,876 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:03:22,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:03:22,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:03:22 BoogieIcfgContainer [2019-11-16 00:03:22,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:03:22,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:03:22,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:03:22,121 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:03:22,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:20" (3/4) ... [2019-11-16 00:03:22,123 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-16 00:03:22,183 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_270ef6f1-5b1c-4754-9a04-d04dd9902d7c/bin/uautomizer/witness.graphml [2019-11-16 00:03:22,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:03:22,185 INFO L168 Benchmark]: Toolchain (without parser) took 2784.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.4 MB in the beginning and 984.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:22,186 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:03:22,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:22,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.84 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. [2019-11-16 00:03:22,187 INFO L168 Benchmark]: Boogie Preprocessor took 40.02 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. [2019-11-16 00:03:22,188 INFO L168 Benchmark]: RCFGBuilder took 483.22 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:22,188 INFO L168 Benchmark]: TraceAbstraction took 1777.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 991.4 MB in the end (delta: 86.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:22,189 INFO L168 Benchmark]: Witness Printer took 63.00 ms. Allocated memory is still 1.1 GB. Free memory was 991.4 MB in the beginning and 984.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:22,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.84 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 40.02 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 483.22 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1777.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 991.4 MB in the end (delta: 86.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.00 ms. Allocated memory is still 1.1 GB. Free memory was 991.4 MB in the beginning and 984.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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 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