./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/brs1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 397d4cfd150d1b1299128d348dd7ea680fdedf9d0b4471c18114785f57a31b18 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:53:15,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:53:15,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:53:16,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:53:16,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:53:16,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:53:16,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:53:16,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:53:16,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:53:16,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:53:16,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:53:16,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:53:16,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:53:16,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:53:16,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:53:16,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:53:16,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:53:16,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:53:16,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:53:16,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:53:16,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:53:16,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:53:16,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:53:16,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:53:16,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:53:16,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:53:16,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:53:16,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:53:16,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:53:16,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:53:16,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:53:16,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:53:16,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:53:16,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:53:16,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:53:16,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:53:16,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:53:16,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:53:16,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:53:16,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:53:16,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:53:16,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:53:16,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:53:16,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:53:16,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:53:16,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:53:16,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:53:16,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:53:16,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:53:16,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:53:16,062 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:53:16,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:53:16,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:53:16,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:53:16,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:53:16,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:53:16,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:53:16,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:53:16,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:53:16,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:53:16,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:53:16,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:53:16,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:53:16,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:53:16,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:53:16,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:53:16,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:53:16,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:53:16,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:53:16,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:53:16,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:53:16,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:53:16,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:53:16,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:53:16,066 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:53:16,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:53:16,067 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:53:16,067 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 397d4cfd150d1b1299128d348dd7ea680fdedf9d0b4471c18114785f57a31b18 [2022-12-13 20:53:16,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:53:16,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:53:16,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:53:16,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:53:16,257 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:53:16,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-fpi/brs1f.c [2022-12-13 20:53:18,947 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:53:19,092 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:53:19,093 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/sv-benchmarks/c/array-fpi/brs1f.c [2022-12-13 20:53:19,097 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/data/b67d101e0/c68c8de8595441b5a787949d295a4597/FLAGcef5ab6d2 [2022-12-13 20:53:19,107 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/data/b67d101e0/c68c8de8595441b5a787949d295a4597 [2022-12-13 20:53:19,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:53:19,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:53:19,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:53:19,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:53:19,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:53:19,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441df3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19, skipping insertion in model container [2022-12-13 20:53:19,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:53:19,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:53:19,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/sv-benchmarks/c/array-fpi/brs1f.c[588,601] [2022-12-13 20:53:19,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:53:19,258 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:53:19,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/sv-benchmarks/c/array-fpi/brs1f.c[588,601] [2022-12-13 20:53:19,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:53:19,282 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:53:19,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19 WrapperNode [2022-12-13 20:53:19,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:53:19,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:53:19,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:53:19,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:53:19,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,307 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-12-13 20:53:19,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:53:19,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:53:19,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:53:19,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:53:19,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:53:19,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:53:19,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:53:19,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:53:19,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (1/1) ... [2022-12-13 20:53:19,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:53:19,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:53:19,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:53:19,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:53:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:53:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:53:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:53:19,440 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:53:19,442 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:53:19,559 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:53:19,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:53:19,565 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:53:19,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:53:19 BoogieIcfgContainer [2022-12-13 20:53:19,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:53:19,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:53:19,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:53:19,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:53:19,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:53:19" (1/3) ... [2022-12-13 20:53:19,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7ccbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:53:19, skipping insertion in model container [2022-12-13 20:53:19,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:19" (2/3) ... [2022-12-13 20:53:19,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7ccbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:53:19, skipping insertion in model container [2022-12-13 20:53:19,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:53:19" (3/3) ... [2022-12-13 20:53:19,573 INFO L112 eAbstractionObserver]: Analyzing ICFG brs1f.c [2022-12-13 20:53:19,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:53:19,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:53:19,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:53:19,631 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@407fae32, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:53:19,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:53:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:53:19,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:53:19,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:53:19,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:53:19,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:53:19,645 INFO L85 PathProgramCache]: Analyzing trace with hash 361760665, now seen corresponding path program 1 times [2022-12-13 20:53:19,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:53:19,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254560341] [2022-12-13 20:53:19,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:53:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:53:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:53:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:53:19,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:53:19,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254560341] [2022-12-13 20:53:19,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254560341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:53:19,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:53:19,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:53:19,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536816471] [2022-12-13 20:53:19,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:53:19,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:53:19,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:53:19,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:53:19,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:53:19,795 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:19,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:53:19,807 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2022-12-13 20:53:19,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:53:19,809 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 20:53:19,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:53:19,814 INFO L225 Difference]: With dead ends: 36 [2022-12-13 20:53:19,814 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 20:53:19,817 INFO L412 NwaCegarLoop]: 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 [2022-12-13 20:53:19,820 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:53:19,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:53:19,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 20:53:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 20:53:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 20:53:19,848 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-12-13 20:53:19,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:53:19,848 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 20:53:19,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 20:53:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:53:19,849 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:53:19,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:53:19,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:53:19,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:53:19,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:53:19,851 INFO L85 PathProgramCache]: Analyzing trace with hash -447913662, now seen corresponding path program 1 times [2022-12-13 20:53:19,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:53:19,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511980865] [2022-12-13 20:53:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:53:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:53:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:53:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:53:19,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:53:19,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511980865] [2022-12-13 20:53:19,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511980865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:53:19,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:53:19,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:53:19,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116766028] [2022-12-13 20:53:19,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:53:19,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:53:19,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:53:19,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:53:19,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:53:19,990 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:53:20,037 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2022-12-13 20:53:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:53:20,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 20:53:20,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:53:20,038 INFO L225 Difference]: With dead ends: 30 [2022-12-13 20:53:20,038 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 20:53:20,038 INFO L412 NwaCegarLoop]: 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 [2022-12-13 20:53:20,039 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:53:20,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 11 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:53:20,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 20:53:20,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2022-12-13 20:53:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-12-13 20:53:20,044 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 11 [2022-12-13 20:53:20,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:53:20,044 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-12-13 20:53:20,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:53:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-12-13 20:53:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 20:53:20,045 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:53:20,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:53:20,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:53:20,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:53:20,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:53:20,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1044113915, now seen corresponding path program 1 times [2022-12-13 20:53:20,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:53:20,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67716202] [2022-12-13 20:53:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:53:20,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:53:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:53:20,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:53:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:53:20,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:53:20,103 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:53:20,104 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:53:20,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:53:20,108 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 20:53:20,111 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:53:20,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:53:20 BoogieIcfgContainer [2022-12-13 20:53:20,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:53:20,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:53:20,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:53:20,129 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:53:20,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:53:19" (3/4) ... [2022-12-13 20:53:20,131 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:53:20,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5965ae-fb34-48db-bd8b-5319c9c1273f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:53:20,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:53:20,159 INFO L158 Benchmark]: Toolchain (without parser) took 1048.70ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 94.8MB in the beginning and 112.5MB in the end (delta: -17.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-12-13 20:53:20,159 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:53:20,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.18ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 83.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:53:20,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.76ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 82.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:53:20,160 INFO L158 Benchmark]: Boogie Preprocessor took 17.13ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:53:20,160 INFO L158 Benchmark]: RCFGBuilder took 241.26ms. Allocated memory is still 127.9MB. Free memory was 80.7MB in the beginning and 69.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:53:20,161 INFO L158 Benchmark]: TraceAbstraction took 559.79ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 69.0MB in the beginning and 114.7MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:53:20,161 INFO L158 Benchmark]: Witness Printer took 29.75ms. Allocated memory is still 155.2MB. Free memory was 114.7MB in the beginning and 112.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:53:20,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.18ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 83.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.76ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 82.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.13ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 241.26ms. Allocated memory is still 127.9MB. Free memory was 80.7MB in the beginning and 69.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 559.79ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 69.0MB in the beginning and 114.7MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.75ms. Allocated memory is still 155.2MB. Free memory was 114.7MB in the beginning and 112.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [a={-1:0}, i=0, N=1, sum={9:0}] [L31] COND TRUE i